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I have a Samsung Galaxy Tab S3. Which, seemingly out of the blue, went into a bootloop: the device name and Samsung logo screens would run indefinitely until I ran out of power or paused using key combinations to boot into download or recovery mode.
How To Fix Bootloop Using Adb
I have no experience with development or devices. I am very comfortable with Linux terminal environments.
What Is Adb Sideload? Install Ota / Sideload Roms And Mods On Android
As of now I have tried flashing the new Stock firmware using Odin. The response from the Odin software indicates that the flash was successful, but the boot loop continues. I think OEM and/or FRP lock could be the reason.
May also be of any use. But since I can’t go into my phone’s settings to enable USB debugging, I can’t find a way to connect to adb.
To be more specific about my question: Is there a way to connect to adb and fastboot and debug/repair a bootloop with only access to recovery and download modes?
How To Enable Usb Debugging On Locked Android Phone
1. My friend gave me the Nexus 9 that turned off one day and then wouldn’t turn on again.
2. I plugged it in and it booted up fine. If a bad USB port is accepted, it said keep it. I enabled developer options and then enabled “OEM [bootloader?] unlock” and “USB debugging” (from memory, may not be the correct phrase)
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3. While trying to backup your data using ADB Pull, it would stop randomly. If you used it, it would restart unexpectedly.
4. So I went to Software Update.. bad idea in hindsight it probably rebooted during or something? It was fully charged and on AC power, but I didn’t look at it.
5. Go back and continue with startup. Boot into recovery, says “Device Locked” – Tried clearing cache, no difference. I tried to send the bootloader unlock command with fastboot, it says I need to wipe all data to unlock.
How To Boot/enter Recovery Mode On Samsung Galaxy S10e, S10, S10 Plus
The only idea I have is that it is possible to image TWRP for recovery and then boot into it, so I can extract files from it (via OTG or USB flash drive?). I wanted to ask for help here first.
I tried my best to look it up before but I’ve been out of the ROM game since the days of the cyanogenmod 2012. I’m hoping it’s possible to save my friend’s data and then also flash a new ROM that the problem will fix, reboot.. Thanks!
Boot into recovery and when you have the Android pet with its belly open, press (I think it wants more power) to get to a working recovery with ADB support.
Nexus 5x Bootloop Fix
Gk1984 said: Boot into recovery, then when you have the android pet with its belly open, press (I think it wants to turn on more power) to get into a functional recovery with ADB support. Click to expand… Click to collapse
After entering recovery mode, there is the open-belly Android mascot as you describe. Then I do that (VolUp+Pwr) and it produces this screen below, which I think people call “fastboot”. When I’m there my Win10 PC makes noise “USB item connected” and I can use fastboot commands but adb devices won’t show anything. Do you have any ideas?
I thought I could use the fastboot access I have to flash twrp but I get the following error. I toggled the “OEM Unlock” switch, but I guess it means nothing until I unlock the bootloader in recovery (which requires deleting all the files). I followed the instructions on the twrp site which says root is not needed but I think unlocked.
Bricked Samsung Note 10 Plus. Stuck In Boot Loop. Getting
Luciant said: Thanks GK, after entering recovery mode there is the open belly android pet as you describe. Then I do that (VolUp+Pwr) and it produces this screen below, which I think people call “fastboot”. When I’m there my Win10 PC makes noise “USB item connected” and I can use fastboot commands but adb devices won’t show anything. Do you have any ideas? I thought I could use the fastboot access I have to flash twrp but I get the following error. I toggled the “OEM Unlock” switch, but I guess it means nothing until I unlock the bootloader in recovery (which requires deleting all the files). I followed the instructions on the twrp site which says root is not needed but I think unlocked. Thanks again, luciant Click to expand… Click to collapse You must be in recovery for adb to work. The open-belly Android is recovering, but you have to unlock it with a combination of buttons. Fastboot will not work unless you unlock the bootloader.
I may have the steps a little out of the way to get to recovery, but I’m sure by searching how to start recovery Nexus 9 you’ll find the right steps. I haven’t used stock recovery on this tablet in a long time.
For future bootloaders: Well, in the end I couldn’t figure out how to extract files using HTC Nexus 9 recovery. Because it was locked I couldn’t install or run TWRP .img and unlocking it meant I lost the files It made a weird loop even in Recovery & Fastboot. I tried all modes and different drivers in device manager but ADB failed to connect. This may not be intended for security purposes.
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I gave up trying to recover the data and decided to just unlock the bootloader. boot into Fastboot (Pwr+Vol Down on boot, select Recovery, Pwr+Vol Up, it should say “Fastboot”) Then I used the OEM fastboot unlock, which unlocked the bootloader and removed ALL DATA I was then able to flash TWRP by using the twrp.img flash boot recovery. Once I flashed TWRP, booted into twrp recovery with Pwr+Vol Up during boot, deleted all partitions. Then I went to TWRP Advanced -> ADB sideload. It issued adb sideload ota.zip, and it gave me a clean stock install. When it comes to customization, there’s nothing like Magisk. You can combine dozens of modules to create a unique user experience tailored to you, but not all modules will work well together. You might run into a boot loop every now and then, which can cause problems of its own.
Whether a single module is sparse and caused a bootloop or just general cross-source compatibility issues, it’s definitely something to consider when joining more than one module. Although there is now a much smaller chance, mainly because Magisk modules work without a system, there is still a small chance that you will run into a bootloop that stops you in your tracks.
What happens when you can’t go back to your device to remove the module that got you started in the first place? Usually you have to either flash your phone back to factory images or wipe all data on your device. But thanks to a new mod by XDA developer VR25, there’s now an easier way. With this module installed, you will be able to run all your Magisk modules directly from the custom recovery environment like TWRP at any time.
How To Use Android Recovery Mode
Start by opening the Magisk Manager app, tap on the menu on the left, then go to the “Downloads” section. In the search bar, type “recovery mode” and you’ll find the module you need to install – it’s called Magisk Manager for Recovery Mode.
Tap the download arrow next to the module and then press “Install” to start the process. Once the module is finished installing, you want to tap “Close” to exit the file flashing screen. There is no need to reboot the system at this point, as the module is used in the recovery environment anyway.
If your phone is currently in a bootloop and you don’t have access to Magisk Manager, start by booting into TWRP. You can do this on most phones by holding down the volume down button between boot loops, i.e. when the screen goes black. This will take you to bootloader mode, where you can use the volume keys to highlight “Recovery Mode” and then press the Power button to enter TWRP.
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Once you are in TWRP, download the latest zip version of Magisk Manager for recovery mode from this link. Save the file on your computer and connect your phone to your computer with a USB data cable. From there, you’ll need to use the “ADB sideload” command to install the zip on your phone, and we’ve covered that process with a dedicated guide, so check out the link below:
From here, if you have flashed the zip using ADB, you can skip to step 3. Otherwise, you will need to flash your system in TWRP.