samsung s4 tablet t837t boot loop after flash - Samsung Galaxy Tab S4 Questions & Answers

Hello everyone. I'm trying to flash a samsung s4 tablet t837tuvs4ct13. The flash goes normal, but after the tablet restarts it goes to a blue screen that says erasing for a split second, then goes back in to the boot loop. I do perform the wipe cache and factory wipe before each flash. The device was in a boot loop when I got it and factory wipe did not fix it. Does anyone have any advice on how to fix this problem?
Thank you in advance for any help.

castilla12 said:
Hello everyone. I'm trying to flash a samsung s4 tablet t837tuvs4ct13. The flash goes normal, but after the tablet restarts it goes to a blue screen that says erasing for a split second, then goes back in to the boot loop. I do perform the wipe cache and factory wipe before each flash. The device was in a boot loop when I got it and factory wipe did not fix it. Does anyone have any advice on how to fix this problem?
Thank you in advance for any help.
Click to expand...
Click to collapse
Most likely the device was locked by the person you got it (??)
Without the correct pin, password, or account details,if factory reset protection (FRP) has been set in an android device, then the device is almost dead..
First than all : The most important part is to allow "adb debugging" from developer menu on your device ! If it is enabled there may be a solution ...
1) https://www.hardreset.info/FRP-Unlocker/
2) https://www.sammobile.com/samsung/galaxy-tab-s4/firmware/SM-T837T/TMB/download/T837TUVS4CTI3/417067/
(you can use "google search" and learn more Info about FRP)

Related

G3 won't factory reset after bootloop

So, i bootlooped my device somehow, and now I'm trying to factory reset the damn thing. problem is, I go to the recovery screen, where I can choose safe mode, clear cache, and factory reset. I click factory reset, and the little android alien pops up for 1-2 seconds, and then it goes black and the phone restarts. In other words, its not letting me factory reset for some reason.
Please help asap!!
cap1tal1sm said:
So, i bootlooped my device somehow, and now I'm trying to factory reset the damn thing. problem is, I go to the recovery screen, where I can choose safe mode, clear cache, and factory reset. I click factory reset, and the little android alien pops up for 1-2 seconds, and then it goes black and the phone restarts. In other words, its not letting me factory reset for some reason.
Please help asap!!
Click to expand...
Click to collapse
try to flash the same kdz. It will work.
xathanatosx said:
try to flash the same kdz. It will work.
Click to expand...
Click to collapse
wtf? I never installed a custom ROM or anything. just a custom boot animation and a build.prop edit, and one of those two things boot looped my rig. when i try to factory reset via the hardware buttons, it restarts after 1 second of trying and goes back into the bootloop. i try ever different setting on the recovery screen, and they all have the same result (either safe mode, or delete cache)
how else can i factory reset so i can get my phone back'??

[Q] Weird bootloop

NOTE: This device is not mine, it belongs to my girlfriend and I am the one troubleshooting for her.
here goes:
Yesterday, while a friend of my girlfriend's was playing with her Galaxy Nexus (my GF's), it suddenly rebooted itself without warning.
From what I understand, Nexus bootloops that are caused by faulty flashing usually loops at the "Google" logo (correct me if I'm wrong). Her's is a different story, her Galaxy Nexus is pure stock, locked bootloader, un-rooted and definitely nothing custom on in; literally pure stock. Instead of looping at the "Google" logo, her GNexus loops at the "X" logo, my assumption is that there is something, maybe a rogue app, that is causing her device to bootloop upon reaching startup phase.
I know this isn't a software/ROM level issue since we were able to get to her lockscreen a few times and then the phone reboots after a few seconds. I've tried wiping cache but didn't work, and she won't let me try wipe data/factory reset because she has a lot of important files on her phone. So odin flashing and wipe data/factory reset is out of the question.
so here are some details that might be of interest:
1.) Her phone is not rooted and is pure stock android 4.1.2
2.) does not have custom recovery
3.) does not have usb debugging enabled (not sure, but I assume it's not enabled)
4.) can still boot to fastboot/recovery/download mode
5.) reboots at the X logo
So the basic troubleshooting methods are out, now I'm thinking of using adb pull to extract files from her phone via adb, but problem is, usb debugging is off! Is there any way of recovering her files at least without booting to the ROM itself so I can flash another version of android on it (via odin)?
I've also read about "safe mode" that boots the device without starting up 3rd party apps, only the core essentials. I'd like to go down that route if possible, but we've tried most of the guides on how to boot into safe mode but to no avail. There was one time though that the device booted up and she managed to: open power menu > hold power off > reboot to safe mode, but nothing happened, it just rebooted only to get stuck at the X again.
I may be overthinking this, so I've turned to XDA for help. I know you guys don't like people asking n00bish queries but I've exhausted everything I can think of and I'd like to try everything before I go down the route where I can possibly do even more damage.
I really need help with this, anyone have any ideas? We'd really appreciate it!
Unlock, flash custom recovery, wipe system, data, cache, dalvik cache and flash 4.3 factory image. Problem solved.

Mate SE boot loop after unlock

I just recently unlocked the bootloader on my soft-bricked Mate SE.
When it said to unlock it, it also said it was going to factory reset.
I was going to install TWRP to restore a full backup.
It now gets stuck in a loop factory resetting and I don't have access to fastboot.
I'm stuck in this bootloop and can someone help me?
also, I do have a working fastboot, and recovery partition, I just for
some reason can't do anything else, when I reboot it brings up the EMUI
factory reset screen.
tomjfmu said:
also, I do have a working fastboot, and recovery partition, I just for
some reason can't do anything else, when I reboot it brings up the EMUI
factory reset screen.
Click to expand...
Click to collapse
Let my phone run out of battery, plugged it in,
vol down and it got into fastboot finally.

I ticked everything on advanced wipe to delete. Now my phone is stuck on the bootload

I'm currently trying to root my Moto G5 but I can't seem to get a rid of the password it asks at the beginning. I wiped everything by ticking the whole lists on advanced wipe, format data then swiped to factory reset. Now my phone won't boot up normally and stays stuck on this screen. I can however use the bootloader. What can I do to fix this?
It stays stuck on this screen i.imgur.com/OeRczD6.jpg
I told you in the other thread you created to NOT advanced wipe as this will not remove encryption
You have two options
1- flash stock rom firmware via fastboot
2- remove encryption and flash a custom rom
Oh and your phone obviously won't boot as you have wiped system (the rom) so there's nothing on your phone to boot!
See my reply on how to remove encryption in the other thread you created
https://forum.xda-developers.com/g5/help/twrp-password-install-files-ill-pictures-t3913693

Bootloop/screen replacement...

hi everybody
I ll try to make as short as possible.
I just replaced screen at shop(normally original one). The phone worked as usual for 3 days. suddenly after a reboot, the phone bootloop again and again. I have only access to recovery mode, the download mode is not available. When i select "reboot to bootloader", it give me only a red line almost not readable.
I made wipe factory reset and wipe cache, nothing help.
I was on android 11, root with magisk before that.
I try lot of solutions but nothing work.
if anyone can help.
sincerly.

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