[Q] Phone wont turn on after battery depletion - LG Optimus G (International)

I am having troubles booting my phone after the battery depletes and the phone shuts off. My Optimus G is rooted with lifeless Rom v14 and I have TWRP recovery.
So once the phone dies, I plug it in to charge, and the phone screen automaticaly comes on and the LG logo flashes for a second, but nothing happens. The phone doesn't actually charge. If I remove the phone from the charger, the display still stays on until I hard reset it. I cannot access recovery mode or download mode for some reason. Usually when my phone dies, and I plug it in, it will flash the LG logo, keep the display on for a few seconds, and then shut down and restart and show the battery logo charging. I am not getting that this time, and I can't seem to do anything to get it operating again. There also isn't a red LED light to represent charging either. If anyone has had this issue before or knows how to fix it, I'd really appreciate the information right now.
Thanks

Mexicouger said:
I am having troubles booting my phone after the battery depletes and the phone shuts off. My Optimus G is rooted with lifeless Rom v14 and I have TWRP recovery.
So once the phone dies, I plug it in to charge, and the phone screen automaticaly comes on and the LG logo flashes for a second, but nothing happens. The phone doesn't actually charge. If I remove the phone from the charger, the display still stays on until I hard reset it. I cannot access recovery mode or download mode for some reason. Usually when my phone dies, and I plug it in, it will flash the LG logo, keep the display on for a few seconds, and then shut down and restart and show the battery logo charging. I am not getting that this time, and I can't seem to do anything to get it operating again. There also isn't a red LED light to represent charging either. If anyone has had this issue before or knows how to fix it, I'd really appreciate the information right now.
Thanks
Click to expand...
Click to collapse
I had the exact same problem last night. (weird) I held down the power button for ~15 sec, and let the phone sit for about 15 min. I booted it and got it to load into TWRP and then put it on the charger. Let it charge in TWRP to around 10% and then booted into android and let it charge overnight. I had a mild panic attack at first but all is good now. Stupid software dependent charging.

Mexicouger said:
I am having troubles booting my phone after the battery depletes and the phone shuts off. My Optimus G is rooted with lifeless Rom v14 and I have TWRP recovery.
So once the phone dies, I plug it in to charge, and the phone screen automaticaly comes on and the LG logo flashes for a second, but nothing happens. The phone doesn't actually charge. If I remove the phone from the charger, the display still stays on until I hard reset it. I cannot access recovery mode or download mode for some reason. Usually when my phone dies, and I plug it in, it will flash the LG logo, keep the display on for a few seconds, and then shut down and restart and show the battery logo charging. I am not getting that this time, and I can't seem to do anything to get it operating again. There also isn't a red LED light to represent charging either. If anyone has had this issue before or knows how to fix it, I'd really appreciate the information right now.
Thanks
Click to expand...
Click to collapse
r.asimi said:
I had the exact same problem last night. (weird) I held down the power button for ~15 sec, and let the phone sit for about 15 min. I booted it and got it to load into TWRP and then put it on the charger. Let it charge in TWRP to around 10% and then booted into android and let it charge overnight. I had a mild panic attack at first but all is good now. Stupid software dependent charging.
Click to expand...
Click to collapse
Ok, that's definitely weird... I came to XDA because of this, it happened to me 2x and I did the same as you, let it charge in CWM till 12% ( shower time) and reboot the system. I'm not sure what exactly is causing the issue, it shouldn't be a software problem.
To try to find what's going on, lets talk about what we have in common:
ROM: Houston stock international (stock 4.1.1)
Charger: Non LG charger (htc)
Cheers

Related

[Q] Odd Battery / Boot Issue

Running a rooted, unlocked, EVO 4g running CM 7.2.0 Rom
I've seen this same behavior twice. Once yesterday and once today.
Yesterday
Phone was plugged into usb port of laptop charging (around 50% at the time) was running Pandora and Wifi Tether (build into ROM). Phone crashes to off, no reboot attempt. Attempt to power phone back on yields no result (no lights, no screen ... nothing). Remove battery for 10-15 mins, insert and hook up to a AC charger and hit power button. Red light starts flashing, I wait for it to turn solid and try booting again. This time phone turns on and hangs at white HTC EVO splash screen. I then boot phone into custom recovery image, clear cache partition, and reboot. Phone boots ROM fully, batter reads 50% still and works fine until the next day.
Today
Phone was plugged in running Wifi tether, but not Pandora. Same behavior in crashing, removing battery, hooking up ac charger etc... this time however it didn't hang on the HTC EVO splash screen, and boots the ROM. However, the battery no reads 0% and wasn't charging. Removing the AC charger causes phone to shutdown. Reboot rom again, still read 0%, but let it sit for a few minutes and begins to charge. Appears to be charging fine and holds its own without the ac charger. **Note - battery was also around 50% or so when it crashed out
Questions:
Whats the root here? Bad battery? Bad rom? Thoughts on root cause would help if anyone has gone through this.
Thanks!
I'd say a combination of battery and ROM. Try flashing a new ROM and if it continues, try a new battery.

[SOLVED] [Q] My Xperia Ion Needs Hard Brick help

Hi,
I need help with my xperia ion lt28h..
After installing a .zip (Smooth ion) through CWM Recovery, my phone restarted n booted up normally to the lock screen. After i unlocked the screen, it went blank so I pressed the power button and the normal power off button (and some others) appears, so i power off the phone and it went to a boot loop.
I tried pressing the Volume up + power button and connecting it to flashtool by pressing the volume down button and inserting the usbto flash a new firmware but nothing appeared on flashtool
I tried the Volume up + power button again and again and still nothing.. I then pressed Volume up + power button again but longer and received 2 or 3 vibrations (i can't remember) and now the phone is just Dead. No Screen,No LED light, nothing :'(
I tried charging it for 2+ hours and tried connecting it to my pc to see if it does anything but apparently nothing happens.
Somebody please help me :'( This is my only phone and I have no other
Xperia ion LT28h
Firmware: 6.0.F.0.72 (LT28i 's Firmware)
Bootloader: Unlocked
And Rooted with Busybox installed
help
Anyone?
Help?
Check out this thread here or in general discussion, about recovering phone from soft brick, now after hard reset (10 secs volume up and power button) you probably need wait until your battery is dead (about 40-60 hours). You've got unlocked bootloader so you need to be patient, and you need to take care about your phone. You can damage it more. If you don't understand something from that thread, feel free to ask community.
Tap Tap Tapatalk - Sony Xperia S
GUIDE to Solve problem
Managed to Recover my phone to good as new!
Full Guide:
Let the phone charge for 4+ hrs on wall charger (No LED).
After 4-6 hours, Red LED should appear flashing. After a few hours, Red LED should be constant. Continue charging for 25+ hours on wall charger until Red LED disappears or turns Green.
Unplug from wall charger
Run flashtool from PC, flash a stable firmware. Do not plug in phone to PC until it asks to.
While holding volume down, plug in USB - May take up to 10 minutes for the phone to be connected and flashing to begin
Green LED will appear and after a few seconds - flash will run.
Unplug USB and Charge with wall charger.
Phone should be back up and running.
sony xperia ion user
hi..im new here... i think my phone is soft brick..can anyone help me..
ronex1234 said:
hi..im new here... i think my phone is soft brick..can anyone help me..
Click to expand...
Click to collapse
Just explain it a bit more next time.Ill help u
Sent from my Xperia SL using xda premium
RISHI RAJ said:
Just explain it a bit more next time.Ill help u
Sent from my Xperia SL using xda premium
Click to expand...
Click to collapse
alright... i've got a problem with my phone.. it won't turned on..it only shows the red led and after a few hours, it dissappears.. i cant even acces the power+down button...can you help me with this..?
ronex1234 said:
alright... i've got a problem with my phone.. it won't turned on..it only shows the red led and after a few hours, it dissappears.. i cant even acces the power+down button...can you help me with this..?
Click to expand...
Click to collapse
You Need 2 Things First..
1. Flashtool by @Androxyde
2. A Stock ftf File.​
For solving the soft brick problem you should read this thread : by our own moderator @ToledoJab
http://forum.xda-developers.com/showthread.php?t=1849170
If you have any questions or further problems. Feel free to message me.
Basically If See the LED Lights on Phone You need to ..
Start flashtool
Click the lightining button
Go to flashmode
Select the stock firmware which you downloaded. (Place it in C:/Flashtool/firmwares)
Connect the phone holding Volume Down Button When Prompted.
Let the Phone finish flashing
Thats it. This should work.
dwarkesh2492 said:
You Need 2 Things First..
1. Flashtool by @Androxyde
2. A Stock ftf File.​
For solving the soft brick problem you should read this thread : by our own moderator @ToledoJab
http://forum.xda-developers.com/showthread.php?t=1849170
If you have any questions or further problems. Feel free to message me.
Basically If See the LED Lights on Phone You need to ..
Start flashtool
Click the lightining button
Go to flashmode
Select the stock firmware which you downloaded. (Place it in C:/Flashtool/firmwares)
Connect the phone holding Volume Down Button When Prompted.
Let the Phone finish flashing
Thats it. This should work.
Click to expand...
Click to collapse
I cant go to flashmode..nothing happens... i hold the power+down button for 2 mins..but nothing happens..
ronex1234 said:
I cant go to flashmode..nothing happens... i hold the power+down button for 2 mins..but nothing happens..
Click to expand...
Click to collapse
Quick Question, Connect the phone only when the Flashtool asks you to do.
Does this still not responding?
dwarkesh2492 said:
Quick Question, Connect the phone only when the Flashtool asks you to do.
Does this still not responding?
Click to expand...
Click to collapse
still nothing..but i have red led...
ronex1234 said:
still nothing..but i have red led...
Click to expand...
Click to collapse
(Your phone will respond & should respond to fastboot and flashmode only when charge is more then factory charging (50%) or allows flashes in between charging cycles)
Ok Now I Understand Your Problem,
Assuming you know the basics of flashing STOCK ROM via Flashtool
Do Not HARD RESET 3 Vibrations. Recovering From This Deep Level Of Soft Brick Is Very Hard, Takes Lots Of Time.
First of All, Please Connect Your Phone To The Wall Charger. Untill it Turns Green. This will Take a Long Time.
You can Work On Your Phone i.e Flashing And Stuff only When it is charged enough for working conditions.
On a working phone there are different stages of a battery's charging cycle. The stages are listed in order they happen. The cycle goes from a completely dead battery through a phone running on battery and back to a completely dead battery.
Dead battery. No response from the power button, no screen and no led.
Connect to charger
Low battery level charging mode. This is when just the RED led is on and no screen. At this stage the battery's charge is to low to turn the phone on, but it is charging.
Kernel controlled off-line charging mode. This is when the battery has charged enough from step (3) and boots the kernel to charge the battery. The phone is off, but could be turned on using the power button. A quick press of the power button will show this battery icon. Icon will fill with charge.
The kernel also controls charging when the phone is on.
Battery is fully charged. Green LED. You Can Start To Recover Your Phone.
Unplug the phone and turn on.
Battery is dead from normal use.
Repeat stages starting at (1)
If your phone is not working but you see a led or have bootloops DO NOT USE HARD-RESET. This can make your phone lock/freeze up until the battery dies. It can take as much as 60hours to die.​
How to Recover?
First Calm Down And Understand The Next Few Point. @ronex1234
The memory chips need lose power to clear the bad data and reset the phone. Either by the battery going dead or by unplugging the battery.
You can to leave the phone on a charger to see when the battery dies. Usually the battery will not charge in a soft-brick state and will die while still plugged in. After the reset you should then get the red led. However if you get a red led immediately when first plugged in and no response but red led for a long time, then you may need to leave the phone unplugged and let the battery die.
Only after the chips reset will you get the red led. The RED LED should mean the phone is charging in 'low battery level charge mode'.
Once you get the red led, after the reset, do NOT try to turn on the phone. If you try to start the phone now without fixing the problem you will have to start all over.
This is what you need to do, Read Carefully.
keep charging with wall charger. A charger has a higher current rate and should charge faster than a PC.
Make flashtool ready to flash your stock.ftf file. If you are experiencing errors while flashing the entire ROM try to flash just the kernel, check off all in the exclude box except kernel. At this point your battery is very low and doing this will make the flash process much faster than trying to flash the entire ROM.
Try to connect phone in flash-mode. If your phone has enough battery you will get green led. If the flash fails on the first try, just put it back on the charger and wait about 10-30 minutes and repeat. It may take a while to charge enough to flash.
If you see the red led go out, then try for flash-mode.
If you get bootloops, try to flash between loops. As soon as you notice loop, hold volume down and plug the phone into PC with FlashTool ready. Once the loop starts you have very little time to flash, before the loops drain the battery. If you can not flash, the battery will have to die and phone reset. Then start over with red led.
After you complete the flash, unplug the phone and see what happens. Sometimes it will boot to Sony screen and then shut off by itself, if so plug in to a charger. You should get the red led then the battery charging screen then. After about 20 minutes of red led.
If you get a green led (for flash mode) then press the power button until 1 vibration. The green led should flash 1 time. This will end flashmode and start the phone. If you don't end flashmode the phone will still give a green led whenever plugged in, but it will not charge, until the battery dies and the phone resets again.
If you were able to flash the entire stock.ftf file and your phone has gone from red led to the charging screen, then your phone should now be recovered and turn on normally.
If you could only flash the kernel then you will get bootloops. Again you can unplug and try a hard-reset to turn off the phone. If hard-reset works plug in charger and wait for red led and then charging screen.
If you don't do a hard-reset, the phone boot looping should kill the battery and then plug in charger (this is what I did). Then wait for red led and then charging screen.
Now you should have a good kernel and the phone plugged in. You should have the charging screen with the battery icon and led for 'off-line charge mode'. Charge until over 50%. A quick press of the power button will bring up the charging screen.
Once over 50% then flash the full stock.ftf with a full wipe.
If you got this far but still cannot flash a full stock.ftf file then try to use PC Companion software to REPAIR your phone. Make sure battery is more than 50%.
If all fails then post a copy of the FlashTool log in this thread.
Thank You @ToledoJab For his Amazing Guide [Here]
dwarkesh2492 said:
(Your phone will respond & should respond to fastboot and flashmode only when charge is more then factory charging (50%) or allows flashes in between charging cycles)
Ok Now I Understand Your Problem,
Assuming you know the basics of flashing STOCK ROM via Flashtool
Do Not HARD RESET 3 Vibrations. Recovering From This Deep Level Of Soft Brick Is Very Hard, Takes Lots Of Time.
First of All, Please Connect Your Phone To The Wall Charger. Untill it Turns Green. This will Take a Long Time.
You can Work On Your Phone i.e Flashing And Stuff only When it is charged enough for working conditions.
On a working phone there are different stages of a battery's charging cycle. The stages are listed in order they happen. The cycle goes from a completely dead battery through a phone running on battery and back to a completely dead battery.
Dead battery. No response from the power button, no screen and no led.
Connect to charger
Low battery level charging mode. This is when just the RED led is on and no screen. At this stage the battery's charge is to low to turn the phone on, but it is charging.
Kernel controlled off-line charging mode. This is when the battery has charged enough from step (3) and boots the kernel to charge the battery. The phone is off, but could be turned on using the power button. A quick press of the power button will show this battery icon. Icon will fill with charge.
The kernel also controls charging when the phone is on.
Battery is fully charged. Green LED. You Can Start To Recover Your Phone.
Unplug the phone and turn on.
Battery is dead from normal use.
Repeat stages starting at (1)
If your phone is not working but you see a led or have bootloops DO NOT USE HARD-RESET. This can make your phone lock/freeze up until the battery dies. It can take as much as 60hours to die.​
How to Recover?
First Calm Down And Understand The Next Few Point. @ronex1234
The memory chips need lose power to clear the bad data and reset the phone. Either by the battery going dead or by unplugging the battery.
You can to leave the phone on a charger to see when the battery dies. Usually the battery will not charge in a soft-brick state and will die while still plugged in. After the reset you should then get the red led. However if you get a red led immediately when first plugged in and no response but red led for a long time, then you may need to leave the phone unplugged and let the battery die.
Only after the chips reset will you get the red led. The RED LED should mean the phone is charging in 'low battery level charge mode'.
Once you get the red led, after the reset, do NOT try to turn on the phone. If you try to start the phone now without fixing the problem you will have to start all over.
This is what you need to do, Read Carefully.
keep charging with wall charger. A charger has a higher current rate and should charge faster than a PC.
Make flashtool ready to flash your stock.ftf file. If you are experiencing errors while flashing the entire ROM try to flash just the kernel, check off all in the exclude box except kernel. At this point your battery is very low and doing this will make the flash process much faster than trying to flash the entire ROM.
Try to connect phone in flash-mode. If your phone has enough battery you will get green led. If the flash fails on the first try, just put it back on the charger and wait about 10-30 minutes and repeat. It may take a while to charge enough to flash.
If you see the red led go out, then try for flash-mode.
If you get bootloops, try to flash between loops. As soon as you notice loop, hold volume down and plug the phone into PC with FlashTool ready. Once the loop starts you have very little time to flash, before the loops drain the battery. If you can not flash, the battery will have to die and phone reset. Then start over with red led.
After you complete the flash, unplug the phone and see what happens. Sometimes it will boot to Sony screen and then shut off by itself, if so plug in to a charger. You should get the red led then the battery charging screen then. After about 20 minutes of red led.
If you get a green led (for flash mode) then press the power button until 1 vibration. The green led should flash 1 time. This will end flashmode and start the phone. If you don't end flashmode the phone will still give a green led whenever plugged in, but it will not charge, until the battery dies and the phone resets again.
If you were able to flash the entire stock.ftf file and your phone has gone from red led to the charging screen, then your phone should now be recovered and turn on normally.
If you could only flash the kernel then you will get bootloops. Again you can unplug and try a hard-reset to turn off the phone. If hard-reset works plug in charger and wait for red led and then charging screen.
If you don't do a hard-reset, the phone boot looping should kill the battery and then plug in charger (this is what I did). Then wait for red led and then charging screen.
Now you should have a good kernel and the phone plugged in. You should have the charging screen with the battery icon and led for 'off-line charge mode'. Charge until over 50%. A quick press of the power button will bring up the charging screen.
Once over 50% then flash the full stock.ftf with a full wipe.
If you got this far but still cannot flash a full stock.ftf file then try to use PC Companion software to REPAIR your phone. Make sure battery is more than 50%.
If all fails then post a copy of the FlashTool log in this thread.
Thank You @ToledoJab For his Amazing Guide [Here]
Click to expand...
Click to collapse
Hi... How many hours do the battery will totally be dead??.
ronex1234 said:
Hi... How many hours do the battery will totally be dead??.
Click to expand...
Click to collapse
For Me It took Nearly 52 Hours To Die.
If you are too much in hurry..
You can even try to open the case and unplug the power chord from the motherbord of xperia
There are many tutorials to do so.
But i'd not recommend that.
The Idea is to Reset the Memory Chip of the phone my providing power to the circuit.
Just like a reset current.
it this problem in this case
04/013/2013 10:13:23 - ERROR -
04/013/2013 10:13:23 - ERROR - Error flashing. Aborted
dwarkesh2492 said:
For Me It took Nearly 52 Hours To Die.
If you are too much in hurry..
You can even try to open the case and unplug the power chord from the motherbord of xperia
There are many tutorials to do so.
But i'd not recommend that.
The Idea is to Reset the Memory Chip of the phone my providing power to the circuit.
Just like a reset current.
Click to expand...
Click to collapse
Hi again.. ^_^ i would like to know if am i doing it right... here.. i leave my phone to be dead over 4days(i think) and then i charge it..with in 5 sec.. the RED led is on and then later (about 10-15 mins i think) the RED led is off.. and then no RED led for 2 hours..? am i doing it right?
~ keep charging with wall charger. A charger has a higher current rate and should charge faster than a PC.
~ Make flashtool ready to flash your stock.ftf file. If you are experiencing errors while flashing the entire ROM try to flash just the kernel, check off all in the exclude box except kernel. At this point your battery is very low and doing this will make the flash process much faster than trying to flash the entire ROM.
~ Try to connect phone in flash-mode. If your phone has enough battery you will get green led. If the flash fails on the first try, just put it back on the charger and wait about 10-30 minutes and repeat. It may take a while to charge enough to flash.
~ If you see the red led go out, then try for flash-mode.
~ If you get bootloops, try to flash between loops. As soon as you notice loop, hold volume down and plug the phone into PC with FlashTool ready. Once the loop starts you have very little time to flash, before the loops drain the battery. If you can not flash, the battery will have to die and phone reset. Then start over with red led.
~ After you complete the flash, unplug the phone and see what happens. Sometimes it will boot to Sony screen and then shut off by itself, if so plug in to a charger. You should get the red led then the battery charging screen then. After about 20 minutes of red led.
~ If you get a green led (for flash mode) then press the power button until 1 vibration. The green led should flash 1 time. This will end flashmode and start the phone. If you don't end flashmode the phone will still give a green led whenever plugged in, but it will not charge, until the battery dies and the phone resets again.
~ If you were able to flash the entire stock.ftf file and your phone has gone from red led to the charging screen, then your phone should now be recovered and turn on normally.
~ If you could only flash the kernel then you will get bootloops. Again you can unplug and try a hard-reset to turn off the phone. If hard-reset works plug in charger and wait for red led and then charging screen.
~ If you don't do a hard-reset, the phone boot looping should kill the battery and then plug in charger (this is what I did). Then wait for red led and then charging screen.
~ Now you should have a good kernel and the phone plugged in. You should have the charging screen with the battery icon and led for 'off-line charge mode'. Charge until over 50%. A quick press of the power button will bring up the charging screen.
~ Once over 50% then flash the full stock.ftf with a full wipe.
~ If you got this far but still cannot flash a full stock.ftf file then try to use PC Companion software to REPAIR your phone. Make sure battery is more than 50%.
~ If all fails then post a copy of the FlashTool log in this thread.
dwarkesh2492 said:
~ keep charging with wall charger. A charger has a higher current rate and should charge faster than a PC.
~ Make flashtool ready to flash your stock.ftf file. If you are experiencing errors while flashing the entire ROM try to flash just the kernel, check off all in the exclude box except kernel. At this point your battery is very low and doing this will make the flash process much faster than trying to flash the entire ROM.
~ Try to connect phone in flash-mode. If your phone has enough battery you will get green led. If the flash fails on the first try, just put it back on the charger and wait about 10-30 minutes and repeat. It may take a while to charge enough to flash.
~ If you see the red led go out, then try for flash-mode.
~ If you get bootloops, try to flash between loops. As soon as you notice loop, hold volume down and plug the phone into PC with FlashTool ready. Once the loop starts you have very little time to flash, before the loops drain the battery. If you can not flash, the battery will have to die and phone reset. Then start over with red led.
~ After you complete the flash, unplug the phone and see what happens. Sometimes it will boot to Sony screen and then shut off by itself, if so plug in to a charger. You should get the red led then the battery charging screen then. After about 20 minutes of red led.
~ If you get a green led (for flash mode) then press the power button until 1 vibration. The green led should flash 1 time. This will end flashmode and start the phone. If you don't end flashmode the phone will still give a green led whenever plugged in, but it will not charge, until the battery dies and the phone resets again.
~ If you were able to flash the entire stock.ftf file and your phone has gone from red led to the charging screen, then your phone should now be recovered and turn on normally.
~ If you could only flash the kernel then you will get bootloops. Again you can unplug and try a hard-reset to turn off the phone. If hard-reset works plug in charger and wait for red led and then charging screen.
~ If you don't do a hard-reset, the phone boot looping should kill the battery and then plug in charger (this is what I did). Then wait for red led and then charging screen.
~ Now you should have a good kernel and the phone plugged in. You should have the charging screen with the battery icon and led for 'off-line charge mode'. Charge until over 50%. A quick press of the power button will bring up the charging screen.
~ Once over 50% then flash the full stock.ftf with a full wipe.
~ If you got this far but still cannot flash a full stock.ftf file then try to use PC Companion software to REPAIR your phone. Make sure battery is more than 50%.
~ If all fails then post a copy of the FlashTool log in this thread.
Click to expand...
Click to collapse
Hi..its me again.. hmmm... i charge my phone like 25+ hrs but i cant get green led..just no led.. even i leave my phone to be dead with in 4days.. do you have video tutorial?
ronex1234 said:
Hi..its me again.. hmmm... i charge my phone like 25+ hrs but i cant get green led..just no led.. even i leave my phone to be dead with in 4days.. do you have video tutorial?
Click to expand...
Click to collapse
I feel you are fairly new to flashing and recovering from bricks.
Please Contact Senior Member For Help And Support.
And I hope you have read this thread.. from our very own @ToledoJab
http://forum.xda-developers.com/showthread.php?t=1849170​
Note :
For Unlock Bootloader Sony has Developers Tool EMMA for flashing official ROM.
Your main aim should be to get back to STOCK ROM now.
I am sorry friend but if the procedure seems too hard for you,
I'd really recommend you to send your phone to repair to sony.
To prevent any accidental hard bricks.
If your phone LED (any color) is responding, your phone can still be recovered.
dwarkesh2492 said:
I feel you are fairly new to flashing and recovering from bricks.
Please Contact Senior Member For Help And Support.
And I hope you have read this thread.. from our very own @ToledoJab
http://forum.xda-developers.com/showthread.php?t=1849170​
Note :
For Unlock Bootloader Sony has Developers Tool EMMA for flashing official ROM.
Your main aim should be to get back to STOCK ROM now.
I am sorry friend but if the procedure seems too hard for you,
I'd really recommend you to send your phone to repair to sony.
To prevent any accidental hard bricks.
If your phone LED (any color) is responding, your phone can still be recovered.
Click to expand...
Click to collapse
i know how flash but the problem is..where do i start? i've just leave my phone to be dead for 4to5 days and charge like 25+ but i have'nt seen the green led.. i post on the soft and hard brick thread but nothing answer me.. ( anyway..thanks for sharing your ideas.. ) :good:

[Q] GNex wont charge, wont boot, wont go into recovery

accidentally flashed fancy kernel on XenonHD and noticed something was wrong when during "Android is Upgrading...Starting Apps" the screen flashed for a second and the "Android..." box looked like an old scanlined tv then shut off. pulled the battery, put it back in, booted it and it turned back off. now when i plug it into either the wall or my pc the charging logo appears with the lightening bolt then disappears and loops there. "hotbooted" it to charge by taking out the battery, put in the charger, put in the battery and it says its charging but when i disconnect after about 15 minutes of charging the phone wont turn on without being plugged in. but it doesnt boot and wont go into recovery from bootloader. do i need to odin and will this erase all of my flashed Page Plus information? or is there a way to force it into recovery so i can nandroid without the battery in?
dragonhart6505 said:
accidentally flashed fancy kernel on XenonHD and noticed something was wrong when during "Android is Upgrading...Starting Apps" the screen flashed for a second and the "Android..." box looked like an old scanlined tv then shut off. pulled the battery, put it back in, booted it and it turned back off. now when i plug it into either the wall or my pc the charging logo appears with the lightening bolt then disappears and loops there. "hotbooted" it to charge by taking out the battery, put in the charger, put in the battery and it says its charging but when i disconnect after about 15 minutes of charging the phone wont turn on without being plugged in. but it doesnt boot and wont go into recovery from bootloader. do i need to odin and will this erase all of my flashed Page Plus information? or is there a way to force it into recovery so i can nandroid without the battery in?
Click to expand...
Click to collapse
You can try to reflash a recovery via fastboot..
Sent from my Galaxy Nexus using XDA Premium HD app
turns out my battery went bad. didnt find out until after i Odin'd all the way back to 4.0.4 and still couldnt turn on the phone. shoulda known something was wrong...phones not supposed to die within an hour and a half on a full charge in my pocket >_< loving my new extended battery though!

LG G3 won't boot up, bootloops while charging

Okay so, my LG G3 has had a problem with restarting and bootlooping before this. Basically, it would restart if used while not plugged in and would not boot up if not hooked up to a charger. Before this, plugging the charger in would solve the boot loop issue, but now, that leads to a different issue.
So, I was using my phone (while it's charging) and suddenly - screen goes black. After a few seconds, the battery loading screen (an icon of a battery with a small circle with several spokes in the middle of the battery icon) pops up. I hold the power button and the LG logo pops up and then goes back to the battery loading screen. which just bootloops if left alone.
Now, the phone CAN boot into recovery and bootloader (although it sometimes fails, it's like the device restarts mid-way through). In TWRP recovery, it shows the battery at 100%, although after rebooting into recovery again after some time, it displayed 75% (i never took the phone off the charger).
Sometimes while in recovery and the device is not plugged in, it'll restart, but that's kinda... normal, I guess, it used to do that before.
My PC recognizes the phone and I can access the data on it via USB without any problems.
I'm almost positive that the battery is the culprit, since a few hours before this started happening, it drained 20% in 5 minutes and in general, after it restarts randomly when not charging, the battery goes from 100% to 90% and if restarted again goes back to 95% or something like that. But does anyone have any idea how to fix this? I won't be able to buy a new battery for a few days and I need the device in working order until then.

HTC 10 boot and battery problem

I am having problems with my HTC 10. This morning I charged the phone but it told me fast charging isn’t working so it was charging slowly. By the time the charge got to 20% I decided to unplug the charger from my phone and switch it on.
When I switched it on I expected there to be 20% on the battery but instead it was only 1% charge left. The phone then switched itself off so I connected the charger back to the phone but the phone switches itself off halfway through the boot and I notice sometimes the battery charge icon appears then goes off. I also notice the red light on the top of the phone flashes then goes off.
I then switched the phone into download mode and selected TWRP to factory reset the phone. I rebooted and it goes into Android and I get the message that it’s starting android as if I am booting into a newly installed android.
The phone then switches itself off when it’s halfway through loading android. The strange thing is that the phone stays on when it is in download mode. What could be the problem? Please advise.
The phone has now switched itself off from download mode probably because the battery is dead. It looks like it’s a connection problem with the charger or the battery is needing replace because when I connect the charger to the phone the red like on the phone flashes for a few seconds then goes off then the battery charger icon appears for a second briefly then it switches itself off and nothing happens. Any ideas.

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