GSI Installation - Samsung Galaxy S10+ Questions & Answers

Hi guys, I want to install OneOS GSI on my S10+ Exynos. I install a rom for its vendor, wipe everything but product and vendor, flash OneOS GSI and when I reboot I either bootloop and TWRP just dissapears or I get rebooted into Download Mode and in the top left corner saying "Odin mode, Cause by:".

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Bricked! Stuck at MI Logo

My phone does not boot past the Mi logo and shuts off a few seconds after showing the Mi logo. I tried booting to TWRP but the same thing happens - phone shuts off after Mi logo. Phone is able to go into fast boot mode.
I have an unlocked bootloader and was running the Oreo RR. To update to the treble ROM, I flashed the TeamReloaded TWRP and that went smooth. I rebooted to system and there were no issues. After this I wiped dalvik and cache and flashed the Treble Oreo RR ROM and Magisk 16.4 . After this I tried rebooting and ran into this problem. Also, I have an encrypted storage.
Buddy reinstall twrp and Rom. That's the solution I found. Don't install magisk. It happened to me too
1.Flash Treble supported recovery in Fastboot mode
2.Boot into recovery
3.Decrypt your phone (factory reset)
4.Enable Treble support in recovery
5.Now flash any ROM you want.
flash stock boot.img first then flash your rom if uh want to flash treble rom then flash treble supported recovery n enable treble support in recovery if uh want to flash non-treble rom then flash non-treble recovery then flash stock boot.img then flash your rom

I´m on bootloop on TWRP.

I have the same issue. https://forum.xda-developers.com/g5-plus/help/twrp-bootloop-t3740873
Im using latest twrp, im flashing Syberia Project + Magisk + Gapps
Then I reboot and it boots on TWRP, if I factory reset from the options on fastboot, it will start but without gapps and magisk, and if i try to install again those two, same thing happen, twrp bootloop
I saw some people that can start the phone on the OS using the start option from fastboot mode, but when i do this, it will start to boot on the rom for like 3 seconds, then it will turn the screen off, than twrp appears, please help.

HUAWEI PRA-LX1 dead? Stuck at bootloop after flashing Custom ROM [HELP!]

Hi guys.
I have a Huawei P8 Lite 2017 PRA-LX1 Single Sim, no brand EUROPE [PRA-LX1 8.0.0.400(C432)].
Yesterday, I suddenly had an idea: unlock OEM (I have a code from before Huawei stopped giving them),
flash TWRP, Magisk, then root and finally flash an official DotOS 3.0 Build for EMUI 8 devices
(all packages built for prague devices like my one). So I searched through XDA and other forums to find TWRP and
other necessary files (all listed here):
• TWRP Recovery: Google Drive "TWRP 3.2.1-0 April 8th build Round 2.img"
• Magisk - that's useless to list - both APK to install and .zip to flash via TWRP: Apkmirror
• Custom ROM: xda-DarkJoker360 "Dot OS P v3.0 for Huawei P8 Lite 2017"
• GApps: OpenGapps ARM64, 9.0, nano
So i unlocked the bootloader using the adb commands everyone knows.
I flashed TWRP using this guide: https://www.youtube.com/watch?v=ijAuoxlnzlo (I'm italian).
From the phone I downloaded Magisk Manager, installed, then from there I downloaded the flashable .zip.
I flashed the Magisk .zip from TWRP.
I checked the root status with Root Checker App: phone was rooted.
I moved the flashable DotOS ROM .zip and the GApps .zip to a 15GB non-formatted SDHC.
Inserted the SD in the phone.
From Magisk Manager i rebooted the device in TWRP Recovery mode.
Followed the "CLEAN FLASH" instructions from the DotOS thread:
Code:
• Download the latest build and GApps
• Reboot to recovery
• Make nandroid backup (Not Necessary)
• Wipe System, Data, Cache, Dalvik
• Flash the latest build and GApps
• Reboot
- I tried to do a Nandroid Backup, but since TWRP didn't want to do it (I was getting errors), I continued without backup. (FIRST MISTAKE)
- I did the Wipes, but there was problems with the Cache wipe: "Failed to wipe cache" or something like that.
So I looked for a solution in XDA, and i found something like "Do a data format since the datas are Encrypted"
- I did the Data Format
SECOND MISTAKE, because the Format deleted the stock OS, and I had not yet flashed the custom one (DotOS).
- It rebooted in TWRP and i flashed DotOS and GApps. I did another Cache and Dalvik wipe (THIRD MISTAKE)
and i rebooted.
- I saw the beautiful DotOS bootanimation playing on the screen, but then..
- the screen got black, and the Huawei logo appeared. I had an heart attack.
- The black screen with "Your phone is unlocked and can't be trusted" and the three options appeared.
I turned off the phone.
Now this is my current situation:
I turn on the phone
- The black screen with "Your phone is unlocked and can't be trusted" and the three options appears.
- If I let boot, the bootloop goes in action (DotOS bootanimation -> Black Screen -> Huawei Logo -> "Your phone is unlocked" screen again)
- If I press Vol+ for more than 3 seconds, the phone boots into Huawei erecovery. Now from there i can:
- "download the latest firmware and recovery" but it fails at 5%
- Do a factory reset. I have to type "yes" to confirm. Then it shows a "Your phone is unlocked" screen but without options for a while, and
then, without doing nothing, it boots into TWRP
- Reboot (bootloop goes in action)
- Shutdown
So, what do i have to do? That's my only phone (don't ask me "so why did you decided to do this", i know already).
If you have any solution, and maybe you had a similar experience, please (PLEASE :crying tell.
Thanks in advance.

How To Get Rid Of "Keep Booting Into TWRP Recovery After Flashing Rom"

Today i flashed the pixel plus (July 17) rom through TWRP recovery. Unfortunately i didnt backup the data as i have flashed pixel rom before and it worked fine. So after finishing the installation every time i reboot it kept rebooting into TWRP recovery. I tried flashing the other pixel rom but the result is same.
in my case, I did fix this way.
1. flash TWRP
2. boot recovery (TWRP) 1st
3. use TWRP flash TWRP again ←
4. boot recovery (TWRP) again
5. flash ROM.
※ I recommend flash orange fox (step 3). Because sometime TWRP have problem which password lock - not match password etc., - when start Android OS.
dhampire said:
in my case, I did fix this way.
1. flash TWRP
2. boot recovery (TWRP) 1st
3. use TWRP flash TWRP again ←
4. boot recovery (TWRP) again
5. flash ROM.
※ I recommend flash orange fox (step 3). Because sometime TWRP have problem which password lock - not match password etc., - when start Android OS.
Click to expand...
Click to collapse
Do you have the TWRP? I can't find it on the main thread. Seems those files are removed!

Recovery bootloop

Hi,
i have an issue with my phone constantly rebooting to the recovery.
I have TWRP installed and tried various things (factory reset, full wipe) with restoring partial previous backup or re-installing lineage 17 but could't fix the issue.
At best it passes MI logo and load lineage boot animation then suddenly reboot to TWRP or sometimes doesn't even load the lineage animation (twice MI logo then TWRP).
I need help identifying and fixing the issue please.
Thanks
Go to fastboot, flash twrp with adb, boot to twrp and format data, reboot twrp, factory reset, flash only Lineage.
Or flash stock MIUI, and from MIUI go all yhe way back to Lineage

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