Help! My SM-T800 always boot-loops to Recovery Mode - Galaxy Tab S Q&A, Help & Troubleshooting

I rebooted my SM-T800 this morning, and it is constantly rebooting to Recovery Mode. The tablet never enters Recovery Mode, it just flashes the screen and reboots again. I have TWRP 3.0.2-1 installed.
The tablet was working OK prior to this. I was just going to update my ROM, and wanted to make a backup first. Now, my tablet is unusable.
I have seen this occur on my tablet a month or two ago, and I was able to get out of this before without wiping the tablet. However, I can't remember what I did.
Any help?

I was able to get back to Bootloader Mode, and flashed the older TWRP 3.0.2-0 onto my SM-T800 with Odin.
It allowed me to boot back to Normal Mode. However, if I reflashed TWRP 3.0.2-1 again, I would go back into Recovery Mode bootloops.
I guess I'm stuck on TWRP 3.0.2-0 for now ...

I would start over, flashing one of the stock 5.0 ROMs and then go from there.
Sent from my SM-T800 using Tapatalk

Related

[Q] Bootloop

Hi guys,
My N7100 was rooted and has been working fine for almost a month now. I have flashed several custom ROMs and have had no issues.
Today I restarted the phone to recovery and the phone shows the initial blue TWRP screen and then goes back to show Samsung logo and this keeps on repeating over and over.. meaning, can't enter into the recovery mode.
I am able to enter in download mode though. Downloading 4.1.2 stock ROM for my country so I can hopefully flash it through ODIN.
If possible I would wish to retain the ROM that's on the phone and use it as before. Any idea as to why the phone can't enter into TWRP? Will it help if I flash CWM via ODIN and reboot the phone after entering CWM?
Flashed CWM via ODIN and rebooted. Back into my custom ROM.
Not sure why TWRP stopped working all of a sudden. Anyway, all is well now.
For anyone who may go through the same, here is the topic to download CWM from.

Recovery Fail!

So two days ago I thought about installing Vision X rom on my Note 3 (T Mobile).
I downloaded the ROM and then backed up my current ROM (nandroid). I had Phillz touch recovery then.
Then I thought about going to TWRP and thus I downloaded the latest zip for my phone and flashed it via Phillz upon trying to reboot into recovery it got stuck in the screen "Rebooting Recovery...".
When I restarted it would still try to reboot into recovery and get stuck. I got out of that by going into download mode and then selecting "Restart Phone".
After that I looked for solutions and upon failing to find any I thought about going back to stock and starting from ground zero. I managed to flash the latest stock using Odin however I forgot to do a factory reset before hand.
When I tried to do a factory reset in my, now stock, phone it failed and then got stuck trying to get into recovery. It would flash "Rebooting Recovery..." then restart and flash that in a loop.
I have lost my root as well in the process and trying to root using Odin and CF-Root just get's me back in the recovery boot loop. I can use the phone OK however this is not a stable situation.
I'm sure I've made some serious errors in the tinkering and would like to get my recovery back. I really love Custom Roms. Any kind and knowledgeable souls out there to help me in my cause?
kaif15 said:
So two days ago I thought about installing Vision X rom on my Note 3 (T Mobile).
I downloaded the ROM and then backed up my current ROM (nandroid). I had Phillz touch recovery then.
Then I thought about going to TWRP and thus I downloaded the latest zip for my phone and flashed it via Phillz upon trying to reboot into recovery it got stuck in the screen "Rebooting Recovery...".
When I restarted it would still try to reboot into recovery and get stuck. I got out of that by going into download mode and then selecting "Restart Phone".
After that I looked for solutions and upon failing to find any I thought about going back to stock and starting from ground zero. I managed to flash the latest stock using Odin however I forgot to do a factory reset before hand.
When I tried to do a factory reset in my, now stock, phone it failed and then got stuck trying to get into recovery. It would flash "Rebooting Recovery..." then restart and flash that in a loop.
I have lost my root as well in the process and trying to root using Odin and CF-Root just get's me back in the recovery boot loop. I can use the phone OK however this is not a stable situation.
I'm sure I've made some serious errors in the tinkering and would like to get my recovery back. I really love Custom Roms. Any kind and knowledgeable souls out there to help me in my cause?
Click to expand...
Click to collapse
Go to the Playstore and download TWRP Coordinator and then
use it to install the latest TWRP recovery for your phone.
Once you can get back into TWRP recovery you need to flash
the cf-autoroot for your phone. Be sure you flash the CORRECT
version of cf-autoroot for your phone's model.
Good luck!
Misterjunky said:
Go to the Playstore and download TWRP Coordinator and then
use it to install the latest TWRP recovery for your phone.
Once you can get back into TWRP recovery you need to flash
the cf-autoroot for your phone. Be sure you flash the CORRECT
version of cf-autoroot for your phone's model.
Good luck!
Click to expand...
Click to collapse
The app is constantly crashing!
It would start for a second then close. I tried the TWRP manager as well with the same result.
I've lost root access when I Odined back to stock, won't I need root access to install new recoveries?
Sounds like you flashed the stock 4.4 firmware and now need recovery to root. Flash this TWRP file using Odin http://goo.im/devs/OpenRecovery/hltetmo/openrecovery-twrp-2.7.0.1-hltetmo-4.4.img.tar
Once you flash it, you need to boot into recovery to install supersu to root.
Switch off the Galaxy Note 3 (remove the battery and reinsert if needed)
Next, press and hold simultaneously Volume Up, Home and Power.Release the buttons when the screen flickers and wait for the TWRP menu.
Select Reboot, then System and install Supersu for root.
Once booted, open Supersu to update it and grant permission.
Hope this helps. Good luck.

Stuck in TWRP Boot Loop

What I was trying to do: I have a stock 4.4.2 AT&T GS3 that I wanted to root, and then install Cyanogen Mod.
What I did: I flashed Auto-Root with Odin 3.10, restarted and then flashed TWRP 2.8. I then booted to TWRP and attempted to wipe/format the phone but it showed some errors along the way, I think it was something having to do being unable to mount the SD card. I then rebooted into recovery and flashed CM12 and slim Google Apps zip. When it was flashing both I got a string of errors but it said it was successful.
Where I'm at now: When I try turning the phone on (without holding any buttons down) it attempts to boot straight to the TWRP but gets stuck at the blue TeamWin screen. I'm able to get to download mode by holding down the appropriate buttons. I'm wondering if there's anything I can flash from Odin to resolve this.
I also realized I have unbacked up photos on the device, I don't think the format was successful, is there any way to recover those?
Thanks
To recover the pictures, try re-installing TWRP, boot into TWRP, and mount the partitions. Connect the phone to your computer and copy your pictures.
TWRP
I have had this happen before. Try using Odin to flash an older version of TWRP, uncheck reboot after flash and then when it is done, do a battery pull. This has gotten me back into a working TWRP to restore my previous setup. Note: You made need to go back to 2.6. Once you have gotten back up and running flash to the current TWRP with the app.

S.O.S Galaxy S3 Boot-Up Fails (Recovery Mode BOOTLOOP)

Ok guys im in some really deap ****. This is what happend
I was trying to flash my SGH-T999 with cm-2xxxxxxNIGHTLY-d2lte to get the 4.4.4kitkat upgrade. Rooting with clockworkmod using Odin V1.85 was succesfull. I got into recovery mode, wiped data factory, /cache, and /delvik cache/ and i went on to install zip from sdcard. The installation failed, tried severals times and it still fails. And when i try switching it on, it boots with the SAMSUNG Logo and goes back off, then comes back on again with a "Recovery Booting" written on the top left hand corner of the screen, and then it boots into recovery mode. When i hit Reboot System, it does same thing. I have tried downloading the recovery but my SD-Card slot seems to be damage of which the recovery needs to be put on, and more so i cant detect if the memory card i install is ready or not.
Flash twrp to the phone. Cwm has not been updated for a while.
A few months ago I flashed TWRP 2.8.7.0 using Heimdall just fine, no problems. Now I've been trying to flash the latest TWRP 3.0.2, I can't seem to get it to boot, the flash is successful. Then I reflash the older version, and it's not booting into recovery. I'm not too familiar with Samsung phones, but I've been doing this for a long time on my Moto X 2014 using ADB/Fastboot, without issues.
I was able to return to stock firmware using Odin.

Idle phone spontaneously booted into twrp recovery

I have MIUI_XiaomiEU_Stable_10.3.4.0_FIXED installed for a few month. The phone was working but was occasionally restarting spontaneously.
I had this problem also on stock rom.
Today the phone rebooted into twrp recovery and will not boot into system again.
When turned on it boots to twrp. I can als manually get it to boot to fastmode.
I can properly boot to system after I boot into fastboot and do "fastboot boot twrp-3.3.1-dees_troy-daisy.img" .
Any advice on how to fix it ?
What go corrupted ?
Can I fix it by flashing twrp-3.3.1-dees_troy-daisy.img ?
p.s I had the same problem 6 weeks ago. I wiped everything and flashed stock rom using Miflash. I want to avoid it and keep my data if possible.
I'm not sure what's causing the issue, as it might be ROM related, because you said yourself that you had spontaneous reboots on MIUI. But I believe the TWRP you are using might be part of the issue. You should use Offain's version of TWRP found here: https://androidfilehost.com/?a=show&w=files&flid=291011
Use the latest version to avoid bugs. Somehow the 'official' version of TWRP doesn't work properly. Cheers.

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