Help with OnePlus 5 bootloop LineageOS 20 - OnePlus 5 Questions & Answers

Hello,
I got a OnePlus 5 running OxygenOS 10, the latest version provided by OnePlus. The phone was rooted and with TWRP 3.4.0.1. I made a full backup and have it in my computer. I deleted all data with TWRP and flashed the LineageOS 20 rom for cheeseburger (lineage-20.0-20230227-nightly-cheeseburger-signed.zip). The installation ends successfully but on the 1st start when the system starts, it remains in bootloop on the lineageos logo. the LineageOS display is also displayed when recharging the smartphone.
In terms of status, here are the points at my disposal:
Phone can't stay in fastboot mode, it pops up for a moment then goes away.
The TWRP bootloop recovery also, impossible to access the usual menus, it remains on the logo and the version.
adb commands don't seem to respond because not recognized.
The maximum I could get by doing fastboot devices is the device in recovery status or unknown status.
What can you advise me to unblock the situation?
I searched the forum but unfortunately it often comes up on the adb or via twrp.
Thank you very much for your help,

Related

[SOLVED] Unable to enter TWRP/Stock recovery and can't boot into system

Hi,
I have been using my P Smart (FIG-LX1) for a while with LineageOS 16 and decided to move on to Android 10. Installed LineageOS 17.1 (found it on this forum) and pph-Magisk 20.3 for root - it did work, but the system was unstable so i decided to try AOSP 10.0 instead. I entered TWRP, wiped cache,dalvik,system and data, flashed the ROM, gapps etc. It was advised to now flash stock recovery and use it to do a factory reset - and now i'm stuck here.
After flashing the recovery_ramdisk img the phone stopped being able to enter any recovery at all. The system itself does not boot (stuck on the "Your device has been unlocked (...) Your device is booting now..." screen forever), the recovery never appears (previously in the start screen with 'unlocked device' warning it used to suggest pressing volume UP to enter recovery, now it only shows "Your device is booting now"). As i can still access fastboot, I tried flashing TWRP again - the TWRP splash screen does appear, but the phone gets stuck on it. Also tried flashing another system's img - nothing changed.
Is there anything I can do or did i just brick it completely?
Thanks for help!
SOLVED:
Apparently running fastboot erase on system and userdata partitions made me able to boot into recovery/erecovery again. I do have another problem now, but it's not connected with this one so I will create another thread for that.
Could you try help me? I can't even get ADB to work anymore

TWRP problem

I was in twrp and backuped my device than i saw twrp app install for checking updates and thought ok swipe to install then my Onples 6T is now in an Bootloop in Twrp every 2 seconds the twrp logo pops up and instantly turns of
if i type fastboot devices in cmd nothing showed up
what should i do now?
Are you on stock or custom ROM? In TWRP you should stilll have connection to a PC to grab things off your phone. At this point I believe a factory reset will fix it? However you could try switching slots in TWRP and see if it will boot.
In the future definitely never install the TWRP app.

Fire HD 8 2016 (giza) in problem TWRP

My situation
1. i twrped with https://forum.xda-developers.com/t/unlock-root-twrp-unbrick-fire-hd-8-2016-giza.4303443/
this article
2. but next step-2, not joined TWRP screen, it bricked with amazon logo loop.
3. So i trying to join bootload, short multiple times, but it keeps amazon logo loop
4. shorts multiple,multiple times, it suddenly joined TWRP screen
5. so, i Installed lineage OS and out
6. Lineage os is works fine, but it is not rooted and i missing gapps.
7. so trying to go back recovery, but it keeps infinite white amazon logo
8. tested mode
adb reboot recovery - infinite white amazon logo
adb reboot fastboot - boot to Lineage
adb reboot bootloader - boot to stock fastboot mode
9. Not working include restore to stock on 'https://forum.xda-developers.com/t/unlock-root-twrp-unbrick-fire-hd-8-2016-giza.4303443/'
all of .sh is not working with "not supported firmware"
flash stock recovery is not permission, too.
so i can't trying any way.
how do i join to TWRP screen? where is it?

Stuck on OS and Recovery Logo; Bootloader works fine

Hello everyone,
I have a Moto G5 Plus wih the 7.13 custom ROM "crDroid" Link flashed as well as TWRP 3.5.2 and the latest Magisk software installed.
I am now stuck on either the crDroid logo showing on booting to OS or the TWRP logo showing on booting to recovery mode. I can enter the bootloader menu just fine.
My question is: how can i enter recovery mode again? Because without entering recovery mode i cannot reset my device...
I tried to connect it via USB, but adb does not detect the device. Neither does fastboot. And I cannot enable USB Debugging, because I cannot get into the OS.
I can also not enter Factory Mode, as it justs boots the OS with only the logo showing.
Context: I restarted my device this morning and since then I needed to restart it several times, because the Android UI would get stuck. I did this 3 times and since then I am stuck on the logos as described above.
Any help is much appreciated!

[SOLVED] Stuck at android one / pixel / lineage loading screen

Hi. I am asking for help because I have tried everything. Most of the times I enjoy solving this kind of problems and I learn a lot of things during the journey but in this case it is becoming very frustrating.
The story begins when I downgrade tissot, using the MiFlash tool and the official firmware 7.8.23_7.1. The system booted, but SIM card was not recognized and after about 15 seconds the system reboots. Always
Then I flashed V9.6.4.0.ODHMIFE_20180712.0000.00_8.0_735823083f. F. Same issue. This one was funny because for some reason the option "allow oem unlock" was reset to 0. So I had to finish the initial configuration, enable developer menu, and allow oem unlock in just 15 seconds
Then I went back to V10.0.24.0.PDHMIXM_9.0_20200810.0000.00_9.0_49f16fd30d, and the system stuck booting at android Logo. What I already tried:
reflash with diferent options, diferent versions of Mi Flash
Locking, unlocking bootloader
Factory reset from recovery menu, from TWRP, fastboot erase data / format userdata
Flash using fastboot oem EDL with broadcom drivers via COM port
Changing USB ports, cables
Powering off the phone at night, putting it into the status when only the battery and charging logo is visible
AIO tools from the forum
Then I tried a different path: installed TWRP and flashed Lineage OS for tissot. Everything OK until it got stuck when loading (Lineage OS animation logo stayed for more than 1 hour)
Then I flashed again stock using the new tool Mi Flash Pro, enabling advanced options for reformating, wiping, everything I could throw to the device. Then I did a factory reset from stock Recovery. And even tried doing it again from slot b. Nothing worked: it still stuck at android one screen, seems it is doing something but I know it is halted at some point
Finally I tried Pixel Experience ROM and ... the system stuck at pixel logo animation when loading
I had the idea that you could recover any android smartphone by just flashing stock with the right drivers in recovery mode. What am I missing? Are there any logs which give me clues about the reason why the system does not finish the start?
Thanks to all the community for your help. I have read almost every guide and I have learned a lot. But seems not enough
Solved. This is how to do it
buy a second hand Pixel 2XL for $80
take your Xiaomi MI A1 to the closest recycle center
The good old Pixel now is unlocked, rooted and patched without any issue. Everything working now

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