Signal issue - Galaxy Grand Duos i9082 Q&A, Help & Troubleshootin

My phone completely lost his signal.I was browsing the play store and boom...siglan droped.I restarted the phone and nothing,changed the ROM and it's still the same.There's no death grip,just no signal.

sharky.desire said:
My phone completely lost his signal.I was browsing the play store and boom...siglan droped.I restarted the phone and nothing,changed the ROM and it's still the same.There's no death grip,just no signal.
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Go to setting and about phone and Status check IMEI no is displayed or not and serial No...

jackeagle said:
Go to setting and about phone and Status check IMEI no is displayed or not and serial No...
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Both IMEI and serial number are displayed

sharky.desire said:
Both IMEI and serial number are displayed
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Then its modem issue just flash the modem file for ur specific firmware which is installed right now via Odin..
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jackeagle said:
Then its modem issue just flash the modem file for ur specific firmware which is installed right now via Odin..
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Where I can find these modems?

sharky.desire said:
Where I can find these modems?
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Go here http://forum.xda-developers.com/showthread.php?t=2496989
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jackeagle said:
Go here http://forum.xda-developers.com/showthread.php?t=2496989
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I tryed all of them but no result,the signal is still very poor.

sharky.desire said:
I tryed all of them but no result,the signal is still very poor.
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Then Reflash Stock Firmware before that backup everything..
Flash official firmware via Odin and reboot to stock recovery(press vol up+home+power key) and do a factory reset...
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jackeagle said:
Then Reflash Stock Firmware before that backup everything..
Flash official firmware via Odin and reboot to stock recovery(press vol up+home+power key) and do a factory reset...
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I tryed this but..same result.
Do I have to change the antena?

sharky.desire said:
I tryed this but..same result.
Do I have to change the antena?
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If all done correctly than it might be device probs u have to take it Samsung official but before that u have to reset bin..
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Related

BAD IMEI

So I flashed crotian stock rom from Sam mobile and now my imei changed to generic one it's still here but it's changed to something else.I put in my sim card and I type in my PIN and it show its connected to network but it says emergency calls only and i tried using sim card unlocker from google play but it said i have bad imei.I didn't make copy of my efs folder(im stupid)
Thanks for help.
Dont worry mate, visit and the link I given below. Then you will be fine.
http://forum.xda-developers.com/showthread.php?t=2332913
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Thanks for the help.Trying it right now gonna post my result.
Good luck.
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I tried it and my IMEI is still 0499901064000 /01
lee yun khong said:
Good luck.
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BlackWW said:
I tried it and my IMEI is still 0499901064000 /01
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Dont care about the imei no. Just download xxME4 or DMF1 modem and flash it then you will be fine.
You can find the both modem file and download it from the link im given.
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not working...
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wifi75 said:
not working...
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What not working?
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lee yun khong said:
What not working?
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After download and install xxME4 or DMF1 Imei not change.
wifi75 said:
After download and install xxME4 or DMF1 Imei not change.
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Sure it wont change. Since your efs being modified. Unless you have the backup efs.image and restore it. Otherwise just stick with these 2 modem.
But the main point you able to make call and get network registered.
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Serious problem with my Optimus G Pro

Hello!!! My Optimus G pro have many casual reboot and lost signal!!! Why??? I have original rom e988 and i do 3 factory reset but the problem continue!!! Sorry for my english
mauro8888 said:
Hello!!! My Optimus G pro have many casual reboot and lost signal!!! Why??? I have original rom e988 and i do 3 factory reset but the problem continue!!! Sorry for my english
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Are you rooted? Have u flashed any modifications to your phone?
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bigpapi19 said:
Are you rooted? Have u flashed any modifications to your phone?
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Is all stock!!! I flash one day the e986 firmware but i returned to e988!!! Two timese i reflash the e988 and i do 3 factory but the problem don't change!! Help me
mauro12433 said:
Is all stock!!! I flash one day the e986 firmware but i returned to e988!!! Two timese i reflash the e988 and i do 3 factory but the problem don't change!! Help me
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I would try flashing the e988 stock modem after restoring e988 backup.
mauro8888 said:
Is all stock!!! I flash one day the e986 firmware but i returned to e988!!! Two timese i reflash the e988 and i do 3 factory but the problem don't change!! Help me
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Did you wipe system, data, and cache
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bigpapi19 said:
Did you wipe system, data, and cache
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I can do this without a recovery custom???
vRoman Godv said:
I would try flashing the e988 stock modem after restoring e988 backup.
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Where i can find???
mauro8888 said:
I can do this without a recovery custom???
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You need a custom recovery. If u r rooted download freegee from the app store and install cwm recovery. You will have problems with touch with TWRP
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bigpapi19 said:
You need a custom recovery. If u r rooted download freegee from the app store and install cwm recovery. You will have problems with touch with TWRP
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But with a custom recovery i can update the phone via OTA???
mauro8888 said:
But with a custom recovery i can update the phone via OTA???
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You can use custom recovery to get you back to stock
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Did you check to see if you lost your imei?
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Jammol said:
Did you check to see if you lost your imei?
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No the IMEI is ok!!!
Well that's good then. Have you tried the modem they have suggested.
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I need a big help as im facing the same problem for my lg f240l.it is restarting itself 10-20times a day.so can please anyone tell me the solution?what is flashing modem?doing that solves my prblm?

MTP issue

I'm still on stock 4.2.2 with root. But from sometime I can't connect my Sgh -m919 to Pc because of MPT which doesn't want to install . Everytime I get the message "failed to install mtp driver" . I tried a few solutions but didn't work. Anybody knows how to fix this? And another thing ,in the meanwhile I lost my root . And I can't root again my phone because i can't use Odin . There is a solution to root our device with a flashable zip (without odin) ?
You could try mobile Odin
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Android_Monsters said:
You could try mobile Odin
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When I tried to open Mobile Odin, A window is open and is written "Could not detect device model". So it seems that I can't use this.What I should do?
You can't boot into recovery or download mode?
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On your PC, follow these steps:
iulian vu said:
When I tried to open Mobile Odin, A window is open and is written "Could not detect device model". So it seems that I can't use this.What I should do?
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Go to > My Computer > properties > Device Manager: Uninstall every where you see your phone model driver !
Plug your USB to you phone. Your PC will detect your phone & install new drivers.
Then you will be able to connect to your phone (also Odin)
itzik_man said:
Go to > My Computer > properties > Device Manager: Uninstall every where you see your phone model driver !
Plug your USB to you phone. Your PC will detect your phone & install new drivers.
Then you will be able to connect to your phone (also Odin)
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I tried to delete those from the system but no luck .
Android_Monsters said:
You can't boot into recovery or download mode?
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Yes, I can .
But you can't flash custom ROMs? Here is a thread with people talking about this issue: http://forum.xda-developers.com/showthread.php?t=2259093
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Android_Monsters said:
But you can't flash custom ROMs? Here is a thread with people talking about this issue: http://forum.xda-developers.com/showthread.php?t=2259093
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I managed to root my phone again , but MTP is still Failed . I didn't find a solution for that.
Can you Odin the stock image, now? Wipe data and all that?
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Go to this link on XDA for MTP issues...
iulian vu said:
I managed to root my phone again , but MTP is still Failed . I didn't find a solution for that.
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http://forum.xda-developers.com/showthread.php?t=1115366
Android_Monsters said:
Can you Odin the stock image, now? Wipe data and all that?
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I can use Odin .So you think that I should wipe data and everything.
itzik_man said:
http://forum.xda-developers.com/showthread.php?t=1115366
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I will take a look at this
iulian vu said:
I can use Odin .So you think that I should wipe data and everything.
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If it was me I'd Odin to stock. And start my phone experience fresh.
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RooT galaxy grand?

I updated without using computer to my device mk1 version, clockwork recovery not installing on this method how to root?
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[email protected] said:
I updated without using computer to my device mk1 version, clockwork recovery not installing on this method how to root?
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Try the process mentioned here: http://forum.xda-developers.com/showthread.php?t=2160671
I tried this metod not working flashing is pass but recoverymod not showing.
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Try flash recovery with auto reboot option unchecked in Odin..
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If the flashing get passed the recovery should boot up, Actually what happens when you switch on the device by holding Volume UP+Home Button+Power Key??
Revovery should boot up man, if you are doing it correctly
Stock recovery comes
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uff!! sorry, you meant you cant flash it using Odin in to your phone huh?
okay it says pass, have you tried wiping up cache both dalvik n cache partition, this wont help much, even though!
try it with odin again, or you may hav to go for a file system re-partition or nand erase, but thats a risky process... do try nw
You try flashing the stock OS once into the device and try flashing recovery (play safe)
Its OK now thanks friends.
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Share It
[email protected] said:
Its OK now thanks friends.
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It will be great info if u share what you did to correct, so that others can benefit from that :good:
DMJoh said:
It will be great info if u share what you did to correct, so that others can benefit from that :good:
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I flash the stock ROM again then root my device.that's it bro
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Need help asap

wiped data and cache didn't flash custom rom now evertytime i turn on phone its say FIRMWARE UPGRADE ENCOUTERED ISSUE CONNECT TO KIES ... when i connect to kies it doesn't recognize but it does when in odin .. need help asap help appreciated.
Can you get into recovery or download mode?
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Android_Monsters said:
Can you get into recovery or download mode?
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Click to collapse
yes download mode
You should Odin back to stock.
You can get the stock image here: http://www.sammobile.com/firmwares/
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Android_Monsters said:
You should Odin back to stock.
You can get the stock image here: http://www.sammobile.com/firmwares/
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okay thanks the PDA button right?
pharaxh said:
okay thanks the PDA button right?
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Yup
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serio22 said:
Yup
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it failed the last thing it said was <OSM> Leave Cs .. then i pressed star and it it said failed
Which image did you attempt to Odin flash?
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Android_Monsters said:
Which image did you attempt to Odin flash?
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the 4.4.2 on the link you gave me for tmobile
pharaxh said:
the 4.4.2 on the link you gave me for tmobile
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There is no 4.4.2 for m919, make sure the firmware is for m919
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serio22 said:
There is no 4.4.2 for m919, make sure the firmware is for m919
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4.2.2 sorry
pharaxh said:
4.2.2 sorry
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What firmware were you previously on?
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serio22 said:
What firmware were you previously on?
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4.3
pharaxh said:
4.3
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Then you need to flash the 4.3 firmware, you cannot downgrade anymore with odin
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serio22 said:
Then you need to flash the 4.3 firmware, you cannot downgrade anymore with odin
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ok thank you ..downloading now
okay my phone is back now i am getting unfortantley apps has stopped and keeps saying that for all apps
I'd be tempted to Odin the 4.3 image again.
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pharaxh said:
okay my phone is back now i am getting unfortantley apps has stopped and keeps saying that for all apps
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nvm fixed everthing ia all good now thanks
Glad it all worked out.
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