Galaxy S7 Active - black screen of death - Samsung Galaxy S7 Active Questions & Answers

My Galaxy S7 Active just went to the dark side yesterday. (and is not even May 4th yet).
Found out phone itself is still kicking. I can call it it, but answering is very tricky.
Went on the start ADB to recover some of the data of it, images, messages, ....
but darnit, not my lucky day: USB developer option is not enabled.
Doing some more research I found this thread:
androidDOTstackexchangeDOTcomSLASHquestionsSLASH12834SLASHbroken-screen-while-debug-mode-was-disabled-how-can-i-re-enable-adb
This requires to get the Samsung S7 active into recovery mode, by using the 3-finger salute on the phone.
To enable recovery mode on the S7 you first need to power down the phone. Since you can't see the screen, the easiest is to force power down:
a) press VOL-down and power key for 7+ seconds and wait a while
b) then press VOL-up, home and power key all simultaneously. When you see a blueish line text flashing up, release all key
sit back and wait a while while the phone boots up in recovery mode.
Finally a menu will show up allowing you to select various different options, which can be selected with the VOL-up and -down keys.
I worked all this out with another older Samsung phone running , different model and older version of Android.
My 'broken' Galaxy S7 Active is running Android 8 (oreo?), maintained and updated by the AT&T automatic DFU process.
On all the Samsung phones I've looked so far the number of option and order in the recovery menu is slightly different.
Since the display is broken I can't see what is available. And I want to make sure I do not identically select the ' clean and wipe' option.
Could someone please post a pic of recovery option menu from an S7 running Android 8.
Not sure if it matters: could the Active model be different?
thanks in advance that would be really helpful.
Mat

Related

Confirmed!! T-Mobile Concord (V768) ROOT and BOOT-LOOP fix!!

I AM NOT RESPONSIBLE FOR ANYTHING NEGATIVE THAT HAPPENS TO YOUR PHONE!!
ALSO WORKS FOR T-MOBILE DART!!
Never Hurts to Thank or GIFT to all that help you!
NO PC NEEDED!!!!!!!!:highfive:
Necessary downloads from the Play Store
SuperUser or SuperSU -- One will work, the other won't -- [/COLOR][/SIZE] --A MUST HAVE for any rooted phone! Superuser/SuperSU is the app that manages what apps on your rooted device have access to su. Apps that are granted su have elevated permissions and can modify just about any part of the system. The app consists of two parts, Superuser.apk and the su binary.
Superuser.apk runs as any other app and gives you, the user, a place to see what apps you have allowed or denied, as well as view a log of what apps have used su when.
Link2SD-- DO NOT USE until rooted.--Link2SD is an application that makes it easy for Android 1.6+ users with root privileges on their phone to move applications to the SD card.
The idea behind is same with apps2sd scripts, linking applications to SD card's second partition but differs in two ways.
One, instead of linking /data/app folder (that means moving all applications), you can select applications that you want to move.
Two, it's an application which means has a user interface. You can manage your applications with few clicks.
It also provides native apps2sd features on Android 2.2 and higher. It can move any non-protected user apps to SD card (force move), with batch moving capability.
That feature uses Android's standard SD-card installation feature and does not require a second partition. It can break some apps if they are not meant to be moved to the SD card (Such as Widgets).
BusyBox--DO NOT USE until rooted. --A MUST HAVE for any rooted phone! Almost EVERY rooted applications needs BusyBox to perform their magic, if you have a rooted phone then you NEED BusyBox.
Pro version contains Backup feature (for safer installs), uninstall feature, Advance Smart install feature, the ability to hand pick the applets you want, safety check for missing applets on start, and better overall support. The pro version will receive more frequent updates than the free version will.
Root Checker (optional)--Checks for ROOT -- Use AFTER Installing a Superuser app.
BOOT-LOOP FIX
1.) Power off the phone by removing the battery.
2.) Replace battery.
3.) Boot into recovery by holding Volume DOWN and power button until the android with the triangle appears. This will appear AFTER the android that is by himself!! (about 30 seconds)
4.) Press the home button
5.) Navigate to the 3rd choice - " wipe data/factory reset". Select by pressing the menu button
6.) Navigate to YES and select by pressing the menu button.
7.) When the wipe is complete, navigate to and select - "reboot system", again with the menu button.
ROOTING
2.3.7 BUILD V768V1.0.0B08 = NO FACTORY RESET NEEDED???Maybe
2.3.7 BUILD V768V1.0.0B19 = FACTORY RESET NEEDED???Maybe.
2.3.7 BUILD V768V1.0.0B20 = FACTORY RESET NEEDED
1.)Using your PHONE or computer - Download attached update.zip file.
2.) copy/move update.zip to root of sdcard
3.) Power off the phone
4.) reboot into recovery by holding Volume DOWN and power button until the android with the triangle appears . This will appear AFTER the android that is by himself!!(about 30 seconds)
If for some reason, you CANNOT boot into recovery try to FACTORY RESET.
5.) At this screen, Press the HOME button.
6.) scroll to your second option, navigating with the volume buttons - "Apply update from sdcard" and press the Menu key
7.) select UPDATE.ZIP to install
8.) Navigate to YES, if asked, and press the menu key.
9.) Navigate to - "reboot system now" and select by pressing the menu key.
10.) Install SuperUser. I installed SuperUser and Root Checker before installing the update.
11.) Install Busybox - Using the SMART INSTALL feature. Get it from the play store.
12.) Follow this guide - if you are going to partition an SD Card - It will show you how to partition the SD Card and install Link2SD :
Partition you SD Card To Acquire more "Internal Memory"
Congratulations!! You are now ROOTED and have more "Internal Memory"!!
Special THANKS to JCASE for his CREATION of the ZTE MERIT UPDATE.ZIP
I did the boot-loop process and then the root process. I had no errors and was rooted on the first try. You should not need to factory reset. This is only the boot- loop fix and root. No new recovery or roms.
Anyone else try this?
Liquidsmooth GSII
Hi fathertomany,
Thank You, it worked, root granted and superuser installed.
Wow, I may be only the second person in the world after you to get one rooted
So to confirm and Thank, Yes, this rooted it easy and quick, can't believe it but awesome!
Thanks!
b7
Wow 230 views and only 1 other person telling me it worked for them? I would like to keep up with this and maybe figure out some way to get roms and such, like twrp, themes, etc... But I need to know if there are any bugs or not by following these instructions. I am not a DEV but am willing to try to accomplish things people want. Currently trying to get twrp ported by someone for this phone. Whoever is willing to work on the port should pm me.
Hey I'm new to posting but I've been on android for a few years. I'm having troubles with booting into recovery mode. Whenever I try it shows some yellow text at the bottom. Something about the data directory. Think u can help me fix this please? Thank u
[Edit] My phone has been doing that since way before I downloaded the zip file. So just to clarify it has nothing to do with the file
Sent from my ZTE V768 using xda app-developers app
need help booting into recovery
fathertomany said:
I AM NOT RESPONSIBLE FOR ANYTHING NEGATIVE THAT HAPPENS TO YOUR PHONE!!
Never Hurts to Thank or Donate to all that help you!
I have boldly went where no one has gone before. After much soul searching about bricking my son's phone because I have only followed guides, I decided that this phone was so similar to the AVAIL/MERIT that I would use that method to root his Concord. I did this because his phone ran out of memory and subsequently got stuck on boot-loop. Because this worked, I wrote this tutorial.
NO PC NEEDED!!!!!!!!
This quick tutorial will help you get into recovery and root.
What files are needed are not my work! I only decided to use the ZTE MERIT GUIDE AND ZIP for my son's T-mobile Concord(V768).
To get out of the BOOT-LOOP
1.) Power off the phone by removing the battery.
2.) Replace battery.
3.) Boot into recovery by holding Volume- and power button until the android with the triangle appears. this will appear AFTER the android that is by himself!!
4.) Press the home button
5.) Navigate to the 3rd choice - " wipe data/factory reset"
6.) Select by pressing the menu button
7.) When the wipe is complete, navigate to and select - "reboot system"
To Root
1.) Download attached update.zip file
2.) copy/move update.zip to root of sdcard
3.) Power off the phone
4.) reboot into recovery by holding Volume- and power button until the android with the triangle appears.
5.) At this screen, Press the HOME button.
6.) scroll to your second option, navigating with the volume buttons - "Apply update from sdcard" and press the Menu key
7.) Navigate to YES and press the menu key (no data will be wiped but the update will be installed and you will be rooted)
8.) Navigate to - "reboot system now" and select by pressing the menu key.
9.) Install superuser or equivalent. I installed Superuser and root checker before installing the update.
If for some reason, you get an error, try to factory reset first.
Congratulations!!! You are now Rooted!!
Special THANKS to JCASE for his work on the ZTE MERIT UPDATE.ZIP mentioned above. The UPDATE.ZIP file was downloaded from Stayboogy's tutorial.
Click to expand...
Click to collapse
What carrier and version and build number are you on? You can find that under settings--> about phone. My carrier is Family Mobile (which runs on T-Mobile) and I'm running Android 2.3.7 and Build number V768V1.0.0B20.
I am having trouble getting the Concord to boot into recovery. I can't seem to get to a screen with a triangle. Can you walk through the steps to get it into recovery again or possibly post a video?
The video stayboogy supplied in the link you posted for the Avail/Merit said to put the phone into recovery mode by holding the volume up key and the menu key while pressing the power button. When I do that the concord freezes at the green android logo and does not go into recovery mode and does not boot normally. I have to pull the battery. Same thing if I hold both of the volume buttons and the menu key.
If I hold the volume down and the menu key (or just the volume down key or just the menu key) and turn on the power button I get the green android startup screen followed by a screen with a white box and an orange arrow coming out of the box pointing to a small green android. When I get to this screen pressing home or the volume up or down buttons just cause it to reboot.
bkool96 said:
Hey I'm new to posting but I've been on android for a few years. I'm having troubles with booting into recovery mode. Whenever I try it shows some yellow text at the bottom. Something about the data directory. Think u can help me fix this please? Thank u
Sent from my ZTE V768 using xda app-developers app
Click to expand...
Click to collapse
I personally have not noticed this. make sure your phone is off. make sure you press the volume down button first. while still holding the volume down button press and hold the power button. DO NOT let go of either button until the android with the triangle appears. you will see the android by himself first, CONTINUE HOLDING THE BUTTONS FOR ABOUT 30 SECONDS. When the android with the triangle appears, you can let go of both buttons. Then press your home button. this should bring up your recovery menu.
USE THE VOLUME BUTTONS TO NAVIGATE UP AND DOWN.
USE THE MENU BUTTON TO SELECT YOUR CHOICES. I
BELIEVE, THE POWER BUTTON ACTS AS THE BACK BUTTON? (MAYBE JUST USE THE BACK BUTTON.) I will check this when my son gets home from school. he is the one with the phone.
remember there is NO factory wipe necessary, unless you are trying to get out of the boot-loop.
iamhdr said:
What carrier and version and build number are you on? You can find that under settings--> about phone. My carrier is Family Mobile (which runs on T-Mobile) and I'm running Android 2.3.7 and Build number V768V1.0.0B20.
I am having trouble getting the Concord to boot into recovery. I can't seem to get to a screen with a triangle. Can you walk through the steps to get it into recovery again or possibly post a video?
The video stayboogy supplied in the link you posted for the Avail/Merit said to put the phone into recovery mode by holding the volume up key and the menu key while pressing the power button. When I do that the concord freezes at the green android logo and does not go into recovery mode and does not boot normally. I have to pull the battery. Same thing if I hold both of the volume buttons and the menu key.
If I hold the volume down and the menu key (or just the volume down key or just the menu key) and turn on the power button I get the green android startup screen followed by a screen with a white box and an orange arrow coming out of the box pointing to a small green android. When I get to this screen pressing home or the volume up or down buttons just cause it to reboot.
Click to expand...
Click to collapse
You can find most of that in the title "Confirmed!! T-Mobile Concord (V768) ROOT and BOOT-LOOP fix!!"
My Android BUILD will be posted when my son gets home. he has the phone. It should be the same. I am using the same carrier with the same version of android. Android 2.3.7
I am also on the family mobile plan.
fathertomany said:
I personally have not noticed this. make sure your phone is off. make sure you press the volume down button first. while still holding the volume down button press and hold the power button. DO NOT let go of either button until the android with the triangle appears. you will see the android by himself first, CONTINUE HOLDING THE BUTTONS FOR ABOUT 30 SECONDS. When the android with the triangle appears, you can let go of both buttons. Then press your home button. this should bring up your recovery menu.
USE THE VOLUME BUTTONS TO NAVIGATE UP AND DOWN.
USE THE MENU BUTTON TO SELECT YOUR CHOICES. I
BELIEVE, THE POWER BUTTON ACTS AS THE BACK BUTTON? (MAYBE JUST USE THE BACK BUTTON.) I will check this when my son gets home from school. he is the one with the phone.
remember there is NO factory wipe necessary, unless you are trying to get out of the boot-loop.
Click to expand...
Click to collapse
I tried again with no luck. In the Root ZTE Concord thread a few of us tried and were never able to get into recovery mode.
I just tried the steps you listed but I get the same screen with the white box and arrow and if I continue to hold the power and volume down button it causes the phone to reboot. If I keep holding down the power and volume down even after it reboots it just repeats, green android screen, white box screen, reboot, green android screen, white box, reboot, etc. I can record a video of the screen later today if you are interested.
Did you ever install an over the air update? I did months ago and I wonder if that update changes or removes how to get into recovery mode.
I have T-Mobile android 2.3.7 build number V768V1.0.0B19
Sent from my ZTE V768 using xda app-developers app
iamhdr said:
I tried again with no luck. In the Root ZTE Concord thread a few of us tried and were never able to get into recovery mode.
I just tried the steps you listed but I get the same screen with the white box and arrow and if I continue to hold the power and volume down button it causes the phone to reboot. If I keep holding down the power and volume down even after it reboots it just repeats, green android screen, white box screen, reboot, green android screen, white box, reboot, etc. I can record a video of the screen later today if you are interested.
Did you ever install an over the air update? I did months ago and I wonder if that update changes or removes how to get into recovery mode.
Click to expand...
Click to collapse
I will attempt to find this screen later when my son gets home. 3:30pm central.I have only owned the phone for about 1 1/2 months. I do not believe that I have received any update OTA or any other way. my son downloads a lot of CRAP. He eventually got stuck in the pink logo boot-loop. I proceeded to do the boot-loop fix that I listed and after the factory reset to get out of it, I confirmed that it booted normally, turned the phone off and went back into recovery.
One thing I did notice about this phone is the power button. It is "weird". I am one of those that mash the buttons EXTRA hard to insure that they are being pressed. I make sure that I use both hands, one finger on each hand for each button and I hold as still as possible. Making sure that I don't toggle any buttons. at first, my phone would some how be stuck on the green android that is by himself. What your are saying sounds similar but I never noticed the white box. I think that this might be the download mode. if you have some kind of case on the phone, try removing it.
OTA update?
bkool96 said:
I have T-Mobile android 2.3.7 build number V768V1.0.0B19
Sent from my ZTE V768 using xda app-developers app
Click to expand...
Click to collapse
Have you ever applied the over the air update? I have and I wonder if that has eliminated the ability to get into recovery mode.
I stated in my previous post that I have not noticed one. I bought the phone at the end of February. I rooted the phone the night before I posted this tutorial. I will check the build version as soon as my son gets home. FYI, The rom is totally stock as no one has had this rooted, unlocked bootloader or otherwise, that I know of.
Sent from my LIQUIDSMOOTH SGH-T989
fathertomany said:
I will attempt to find this screen later when my son gets home. 3:30pm central.I have only owned the phone for about 1 1/2 months. I do not believe that I have received any update OTA or any other way. my son downloads a lot of CRAP. He eventually got stuck in the pink logo boot-loop. I proceeded to do the boot-loop fix that I listed and after the factory reset to get out of it, I confirmed that it booted normally, turned the phone off and went back into recovery.
One thing I did notice about this phone is the power button. It is "weird". I am one of those that mash the buttons EXTRA hard to insure that they are being pressed. I make sure that I use both hands, one finger on each hand for each button and I hold as still as possible. Making sure that I don't toggle any buttons. at first, my phone would some how be stuck on the green android that is by himself. What your are saying sounds similar but I never noticed the white box. I think that this might be the download mode. if you have some kind of case on the phone, try removing it.
Click to expand...
Click to collapse
I tried again and made sure to hold the buttons firmly without moving but have the same result. Maybe your son never applied the OTA update and that's why you can get in recovery mode.
---------- Post added at 01:15 PM ---------- Previous post was at 01:12 PM ----------
fathertomany said:
I stated in my previous post that I have not noticed one. I bought the phone at the end of February. I rooted the phone the night before I posted this tutorial. I will check the build version as soon as my son gets home. FYI, The rom is totally stock as no one has had this rooted, unlocked bootloader or otherwise, that I know of.
Sent from my LIQUIDSMOOTH SGH-T989
Click to expand...
Click to collapse
I was just wondering if the OTA update was applied by bkool96 and maybe that's why we both can't get recovery mode to boot.
If you are willing to back up what you can and then do a factory restore. You might have luck that way. I will try to get into recovery later today since my son has been using the phone but I may still be able to seeing as how I am already rooted.
Sent from my LIQUIDSMOOTH SGH-T989
Also, googling it, I noticed that I may be A** backwards. Meaning, Try Volume UP and the power button. If that works then I will edit the tutorial.
Sent from my LIQUIDSMOOTH SGH-T989
fathertomany said:
Also, googling it, I noticed that I may be A** backwards. Meaning, Try Volume UP and the power button. If that works then I will edit the tutorial.
Sent from my LIQUIDSMOOTH SGH-T989
Click to expand...
Click to collapse
I'm pretty sure its volume down+power button. Im stuck at the green android with volume up and I get into recovery with volume down for like 3 seconds then it reboots with a yellow error message mentioning something about the /data directory
Sent from my ZTE V768 using xda app-developers app
When you press the volume up and power buttons, DO NOT let them go until the Android with the triangle appears. Then follow the rest of the guide. I remember getting frozen at the green Android by himself.:banghead:
Sent from my LIQUIDSMOOTH SGH-T989
fathertomany said:
When you press the volume up and power buttons, DO NOT let them go until the Android with the triangle appears. Then follow the rest of the guide. I remember getting frozen at the green Android by himself.:banghead:
Sent from my LIQUIDSMOOTH SGH-T989
Click to expand...
Click to collapse
I tried it again and its still a no go. Maybe its my phones build number that the recovery mode doesn't like?
Sent from my ZTE V768 using xda app-developers app
---------- Post added at 01:32 PM ---------- Previous post was at 01:25 PM ----------
iamhdr said:
Have you ever applied the over the air update? I have and I wonder if that has eliminated the ability to get into recovery mode.
Click to expand...
Click to collapse
I updated back at the end of December which fixed problems I had with mounting the USB storage on my Mac
Sent from my ZTE V768 using xda app-developers app

[Q] SGH-M919 - Black screen after entering encryption key

Re-typing this entire question because the forum ate it before posting it.
SGH-M919 (NOT T-Mobile, but a carrier called GCI.)
Contract was bought-out by another carrier so I could get an iPhone. Trying to get the Galaxy reset to factory condition so it's re-usable.
Galaxy was encrypted to comply with work email requirements. I needed to reset the phone quickly and couldn't find the factory reset menu option so I gave it the Volume Up + Power salute. I chose to erase user data / factory reset. I later read that this method may cause issues if the phone isn't DEcrypted first.
When the phone boots up it wants the encryption key. (I wanted the user partition WIPED, not just emptied.) If I intentionally give it the wrong key it keeps asking for one. If I enter the correct key it briefly shows the outline of the green Android logo then the screen goes black. Phone is not dead because my Mac recognizes it as a network interface when the phone screen is blank. The menu and back keys don't respond or illuminate, however, if I reboot the phone, enter the encryption key and then repeatedly tap the menu button until the green Android image disappears the buttons will stay illuminated.
I don't care about what was on the phone. I wanted it to be as if I had just turned it on for the first time.
Should I try having the carrier, who no longer services the phone, try to re-flash it? I've tried making heads or tails of how to flash it myself but the fact that it's locked to a tiny carrier it's next to impossible to find any helpful info. Any suggestions would be appreciated.

Galaxy Note 3 Wont Boot

So I was watching a show on my tablet. and then the tablet just froze. I tried to reboot it. and the screen just stays stuck at the Samsung Load screen. I have Team Win Recovery installed on it. So I used the commands to get into it. and see if I could reboot and reset through there. But when I go to reboot it tells me my System has no OS do I still want to reboot, reset or whatever I try to do.
My PC isn't recognizing my device. So I can open it up at all. I did not have a SD card in my Tablet. but I do have one in my phone and it does fit into my Note III so I believe it should/would work for any steps I may need to do to help fix this problem. Any ideas or suggestions on how to deal with this?
I've seen this before...
...THIS MAY OR MAY NOT work (CAPS for emphasis only).
The way we solve that because the symptoms you are describing are often the result of a corrupted cache that effects that startup of processes in the background. Clearing the cache might help if the following doesn't work, but don't clear it first because going through this process sometimes requires that whatever data is in the cache remain undisturbed...
(Remember, Android is just a portable version of Linux).
Part 1 of 2 - Enter Safe Mode (ignore all other directions except for using the hardware keys to enter safe mode)
Safe mode
Turn on and use safe mode
Safe mode allows you to turn on the device with third-party apps disabled. Then you can easily remove all apps that may be causing a conflict or software problem.
To turn on safe mode and use it to fix app problems, follow these steps:
Turn on safe mode
Turn the device off.
Press and hold the Power key.
When 'GALAXY Note 3' appears on the screen, release the Power key. Immediately after releasing the Power key, press and hold the Volume down key.
Continue to hold the Volume down key until the device finishes restarting.
'Safe mode' will display in the bottom left corner of the screen. Release the Volume down key when you see 'Safe Mode.'
Uninstall third party applications
Turn on Safe Mode.
From any Home screen, tap the Menu key.
Tap Settings.
Tap the General tab.
Tap Application manager.
If necessary, swipe right to the Downloaded screen.
Tap the desired application.
Tap Uninstall and then tap OK.
Turn off safe mode
To turn off safe mode, follow these steps:
Press and hold the Power key.
Tap Restart.
The same steps are located on the following URL for entering Safe Mode:
https://support.t-mobile.com/docs/DOC-9049
Part 2 of 2 :
If you were successful in engaging Safe Mode, it is more than likely you will see an option screen come up that lists "TouchWiz" , KNOX (Possibly, and varies depending on your config and KNOW Counter Status {i.e. "0x0" or "0x1}, and TouchWiz Simple.
Please pick TouchWiz and DO NOT pick TouchWiz Simple.
Your Note 3 should then start without incident; however we would recommend you backup your data and reload your device with fresh installs as soon as possible.
Hope this helps.
The Tablet wont even boot up into Safe Mode. the Tablet doesnt boot at all. It just stays stuck at Samsung Galaxy Tab 3 screen.
I can use the hard keys to enter into Odin Mode and Team Win Recovery thats it.
Thanks for clarifying. Different steps will be required then. Be careful, and read the other two links carefully that are listed in order of importance to get your Note 3 back up and running:
[Step 1]
Hardware reset using Hardware Buttons ( You WILL LOSE ALL OF YOUR DATA {CAPS for emphasis only} )
Master reset with hardware keys
A master reset restores the original factory settings and may delete your personal data on the internal storage, such as downloaded content, ringtones, images, apps, and contacts. It does not delete data stored on the SIM card or SD card.
If the device menus are frozen or unresponsive, you can master reset using hardware keys. To perform a master reset, follow these steps:
Back up all data on the internal memory.
Turn off the device.
Press and hold the following three buttons at the same time:
Volume Up key
Home key
Power key.
When 'GALAXY Note 3' appears on the screen, release the Power key but continue to press and hold the Volume Up key and the Home key.
When the Android System Recovery screen appears, release the Volume Up and Home keys.
Press the Volume down key to highlight 'wipe data / factory reset.'
Press Power button to select.
Press the Volume down key to highlight 'delete all user data.'
Press Power button to select and start the master reset. When the master reset is complete, 'Reboot system now' is highlighted.
Press the Power key to turn the restart the device.
Directions also featured on the following URL: https://support.t-mobile.com/docs/DOC-9049
[Step 2]
Forget about ODIN and you can use Heimdall with the build of your choice provided it is supported by the BootLoader (i.e. KitKat BootLoader will not load JellyBean).
The instructions are in the following URL as are links to the appropriate software:
http://forum.xda-developers.com/showthread.php?t=2545009
IMPORTANT NOTE: DO NOT WASTE YOUR TIME WITH A USB3 Cable. Instead use a USB2 cable because USB3 connections via the Note 3 have been known to not be the most stable, and you will receive much more reliable connectivity using USB2 that is essential to the reload process.
Hope this all helps, and please let us know how successful you were.

Note 7 does not boot anymore after Samsung update without warning

hey all,
maybe someone can help make my note 7 boot again
after getting an update yesterday on my note 7 i saw it in message 15 sec to go even i unchecked automatic update it was updated automaticly,
it showed up some sec with that note7 white screen and hangs now with that message in left upper corner in the image here (Kernel Rev. Check Fail Device:1 Binary:0)
tryed all button combination but no success no way to power it down also . Today the display was total black if i charge it the message only appers again
hope ther is away to get it back to get my data
thankyou
Have you tied holding Power key and the Volume down key simultaneously for more than 7 seconds? It should make a restart or power off. When phone restarts try pressing HOME + VOLUME DOWN + POWER you should boot to download mode, then try flashing latest firmware with Odin or use Smart Switch. IF you can't get to dl mode I don't know any other way to fix the phone
thy mk)
i tried Volume down key simultaneously for more than 7 second then the red message dissapears for some seconds and comes back
in that download screen i can go btw it is not rooted or smth just original phone
but that mean to loose all Data at the end? and maybe garanty?
jojo34 said:
thy mk)
i tried Volume down key simultaneously for more than 7 second then the red message dissapears for some seconds and comes back
in that download screen i can go btw it is not rooted or smth just original phone
but that mean to loose all Data at the end? and maybe garanty?
Click to expand...
Click to collapse
Try smart switch program on you PC. And use emergency firmware restore. But it will wipe you data i believe.
thy very much mk
i managed to set it back fresh )
lost data but can be sure it is emty now so i can send it back )
next time i do faster backup i promise hehe

Question Realme C21-Y RMX3263: hard reset - factory reset with black screen / no button

Hello,
sorry to write here, I cant find the C21-Y section.
Direct question: is there a way to perform a factory reset not having the possibility to do it using the combination VOLD DOWN + POWER BUTTON and NOR using the standard Android UI?
Note, not activated debug mode
For more details see here below
I recently did a factory reset in "normal way", I mean using the standard Android user interface through normal menu.
Then, I changed only 3 things (without considering the minimum settings required at the first boot): show battery percentage, start black user interface menu and then after selecting the high contrast display... the display became black.
The display is responsive, because the phone vibrates if I touch in the position of the 3 buttons (back, multi, back).
Then, waking up the phone I can see the black smoothing on the display (hoping to make myself clear...) and I'm able - fortunately - to switch OFF the phone (basically touching the display in the right position and swiping to back, after holding a little the phisical on-off button).
Then, the display is working in the boot sequence (I can see the Android logo and the Realme animation): it stops once the Android system is loaded.
So, I tried booting the phone with the combination VOL DOWN + POWER BUTTON but it doesn't work... It seems an issue that afflict some pieces of this phone (read in some post, video I searched before writing here)
Well, how I can in this situation perform a factory reset?
Realme C21-Y RMX3263
32gb-3gb
Android 11
sverza said:
Hello,
sorry to write here, I cant find the C21-Y section.
Direct question: is there a way to perform a factory reset not having the possibility to do it using the combination VOLD DOWN + POWER BUTTON and NOR using the standard Android UI?
Note, not activated debug mode
For more details see here below
I recently did a factory reset in "normal way", I mean using the standard Android user interface through normal menu.
Then, I changed only 3 things (without considering the minimum settings required at the first boot): show battery percentage, start black user interface menu and then after selecting the high contrast display... the display became black.
The display is responsive, because the phone vibrates if I touch in the position of the 3 buttons (back, multi, back).
Then, waking up the phone I can see the black smoothing on the display (hoping to make myself clear...) and I'm able - fortunately - to switch OFF the phone (basically touching the display in the right position and swiping to back, after holding a little the phisical on-off button).
Then, the display is working in the boot sequence (I can see the Android logo and the Realme animation): it stops once the Android system is loaded.
So, I tried booting the phone with the combination VOL DOWN + POWER BUTTON but it doesn't work... It seems an issue that afflict some pieces of this phone (read in some post, video I searched before writing here)
Well, how I can in this situation perform a factory reset?
Realme C21-Y RMX3263
32gb-3gb
Android 11
Click to expand...
Click to collapse
You should be able to boot in to recovery mode where the device is powered off state and when you use key combinations to do
Keep holding the keys even if you see splash screen, untill recovery screen appears
You can also try holding volume key and connecting to computer via USB cable, without needing power button.
Unfortunately with this phone (or the Android version installed in the one I have) have some issues and... butroon combinations are not working
I think I've tried in every way, different combinations. No luck
Both (button combination and black screen) seems to be "common" (search on youtube black screen C21-Y) and the only way is to flash it and/or force the factory from PC (I don't have at the moment understood if for thios phone the only factory from PC is working)
Being a sw issue I'm trying to intercept Realme support, before trying any flash or something similar... but after the first answer to my mail they didn't come back again
I just call Realme support for a similar issue on C21-Y. They tell me this model doesn't have a recovery installed and olny way is to send back to factory and they will provide a factory reset.
What a bad product, no words.
Follow this, it worked in my case (without flashing the phone)

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