Question Bricked phone - OnePlus 9 Pro

I think I bricked my phone it boots up and then goes to fastboot mode I need some help getting it working again. Any advice to get back up and running would be awesome. I was installing a custom rom and and followed all the stepsf fully and now it just goes into fastboot mode.

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OP9P stuck in fastboot mode, no OS or recovery Help!
I am new to flashing custom roms, and I got lineage running but I wanted to try Evo X, when I tried flashing through lineage Recovery it booted back into lineage, ok, so I erased all datat through lineage recovery and installed TWRP. I got that...
forum.xda-developers.com

IamTheBRAVE said:
Read this
OP9P stuck in fastboot mode, no OS or recovery Help!
I am new to flashing custom roms, and I got lineage running but I wanted to try Evo X, when I tried flashing through lineage Recovery it booted back into lineage, ok, so I erased all datat through lineage recovery and installed TWRP. I got that...
forum.xda-developers.com
Click to expand...
Click to collapse
That's the one that I found and got it fixed using msmtool and got TMobile stock firmware and then used msm tool again to flash to eu and unlock the boot loader. So Im getting way more comfortable with msm tool.

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Can't not access bootloader and stuck on bootloop

Hello,
i was trying some custom roms and the latest nightly build from cynanogen for my swift, but got somehow stuck in a bootloop.
Now i also can't access the bootloader. If i press volume up and connect USB the device is not booting and there is no device shown if i use "fastboot device".
I am still able to boot into recovery, but flashing any rom is not working, because of the bootloop.
Nevertheless i can boot to the bootloader from the recovery, but no device is recognized.
Any suggestion or is my device bricked?
M_Kay said:
Hello,
i was trying some custom roms and the latest nightly build from cynanogen for my swift, but got somehow stuck in a bootloop.
Now i also can't access the bootloader. If i press volume up and connect USB the device is not booting and there is no device shown if i use "fastboot device".
I am still able to boot into recovery, but flashing any rom is not working, because of the bootloop.
Nevertheless i can boot to the bootloader from the recovery, but no device is recognized.
Any suggestion or is my device bricked?
Click to expand...
Click to collapse
Since you can access recovery why don't you try flashing Cyanogen OS using adb sideload?
yasteellutch said:
Since you can access recovery why don't you try flashing Cyanogen OS using adb sideload?
Click to expand...
Click to collapse
Thanks for your hint, but i managed to access the bootloader. I could't access the bootloader because my battery was empty. After it was charged for a while i was able boot into the bootloader.
I also got rid of the bootloop by erase some partitions like described here or here
After that i was able to flash the current cyanogen nightly again.
If sideload still not working, you should consider the stock rom. Then backup, then flash the custom rom.
I am using Stock due to Cortana coming
yasteellutch said:
I am using Stock due to Cortana coming
Click to expand...
Click to collapse
It's gonna be a while before cortana comes to Cyanogen OS since it's still US only.

Can only boot into fastboot mode anymore

Hey guys,
I have a problem with my Z1C.
I used CM 12.1 quite a while now and I wanted to know how much difference is to Android 6.
So I downloaded the Remix Resurrection rom and flashed the boot.img in fastboot mode to replace the CM-recovery with TWRP. That was a bit tricky, because CM deleted TWRP again and again and booted in the CM-recovery.
So, finally I got TWRP working, after booting directly into the recovery after flashing the boot.img via fastboot.
TWRP now told me, that no OS is installed. I tried to wipe the phone and to install the RR-rom, but the recovery always said that it has the wrong version (?).
So I flashed the boot.img from the Cyanogenmod-zip and was able to boot into CM again. But now there seems to be no recovery on the phone. Whenever I try to boot to the recovery, the Sony logo appears and the notification light turns into orange, but then it starts again to do so.
At the moment I try to boot into CM again, but I think it has stucked in a bootloop...
What can I do here? The only thing what works is to boot into fastboot mode, but without the system.img I cant flash any roms there. How can I fix this?
Thanks!
Reapy
Reapy1804 said:
Hey guys,
I have a problem with my Z1C.
I used CM 12.1 quite a while now and I wanted to know how much difference is to Android 6.
So I downloaded the Remix Resurrection rom and flashed the boot.img in fastboot mode to replace the CM-recovery with TWRP. That was a bit tricky, because CM deleted TWRP again and again and booted in the CM-recovery.
So, finally I got TWRP working, after booting directly into the recovery after flashing the boot.img via fastboot.
TWRP now told me, that no OS is installed. I tried to wipe the phone and to install the RR-rom, but the recovery always said that it has the wrong version (?).
So I flashed the boot.img from the Cyanogenmod-zip and was able to boot into CM again. But now there seems to be no recovery on the phone. Whenever I try to boot to the recovery, the Sony logo appears and the notification light turns into orange, but then it starts again to do so.
At the moment I try to boot into CM again, but I think it has stucked in a bootloop...
What can I do here? The only thing what works is to boot into fastboot mode, but without the system.img I cant flash any roms there. How can I fix this?
Thanks!
Reapy
Click to expand...
Click to collapse
Shut down your device and press volume up button while connecting it to your computer. Then it will boot into fastboot mode and you should be able to flash stock firmware in flashtool, and then you can start from scratch.
---------- Post added at 06:27 PM ---------- Previous post was at 06:12 PM ----------
Another option is to follow this guide to install Recovery and When done you can boot into Recovery and flash a custom rom. http://forum.xda-developers.com/sony-xperia-z1-compact/general/fota-twrp-recovery-amami-t2909719
Reapy1804 said:
Hey guys,
I have a problem with my Z1C.
I used CM 12.1 quite a while now and I wanted to know how much difference is to Android 6.
So I downloaded the Remix Resurrection rom and flashed the boot.img in fastboot mode to replace the CM-recovery with TWRP. That was a bit tricky, because CM deleted TWRP again and again and booted in the CM-recovery.
So, finally I got TWRP working, after booting directly into the recovery after flashing the boot.img via fastboot.
TWRP now told me, that no OS is installed. I tried to wipe the phone and to install the RR-rom, but the recovery always said that it has the wrong version (?).
So I flashed the boot.img from the Cyanogenmod-zip and was able to boot into CM again. But now there seems to be no recovery on the phone. Whenever I try to boot to the recovery, the Sony logo appears and the notification light turns into orange, but then it starts again to do so.
At the moment I try to boot into CM again, but I think it has stucked in a bootloop...
What can I do here? The only thing what works is to boot into fastboot mode, but without the system.img I cant flash any roms there. How can I fix this?
Thanks!
Reapy
Click to expand...
Click to collapse
Try Rashr app from play store. It sounds to me like incompatible kernel/recovery combo. Download a recovery IMG, (latest TWRP, for example), then use Rashr to flash it. You can also use it for flashing a boot IMG. Its probably the same reason you had trouble flashing ROM.
Besides that, you can install real recovery, which works the same regardless of the kernel-
http://forum.xda-developers.com/xperia-e3/general/bootloader-devices-real-recovery-t3096837
Okay, after flashing it with flashtool it starts again. I now put the RR rom with Android 5.1 on.
I have again the CM recovery, but at least it starts how it should.
I will try to flash the real recovery, thanks!
Update:
Currently running RR with Android 5.1.
I would now like to use RR with Android 6, but again, I can only boot into the Cyanogen recovery, which cant make a backup of the currently running OS. I have tried to flash the boot.img from RR 5.1 with fastboot, Rashr, but nothing seems to work, as it puts me back to the Cyanogen recovery every time. How can I replace the Cyanogen recovery?
And one more question: When the phone starts, the notification light turns into red before the Sonmy logo appears and then turns into pink. What does the red light mean?
Reapy1804 said:
Update:
Currently running RR with Android 5.1.
I would now like to use RR with Android 6, but again, I can only boot into the Cyanogen recovery, which cant make a backup of the currently running OS. I have tried to flash the boot.img from RR 5.1 with fastboot, Rashr, but nothing seems to work, as it puts me back to the Cyanogen recovery every time. How can I replace the Cyanogen recovery?
And one more question: When the phone starts, the notification light turns into red before the Sonmy logo appears and then turns into pink. What does the red light mean?
Click to expand...
Click to collapse
You need a recovery img, not boot img. Try this one - http://forum.xda-developers.com/showpost.php?p=65361797&postcount=78 or this one - http://forum.xda-developers.com/sony-xperia-z1-compact/general/fota-twrp-recovery-amami-t2909719 Open Rashr, choose ' recovery from storage'.
Okay, i flashed the 2.8.6.0 version via Rashr and now Im stuck on the Sony logo...the notification light is orange all the time, but I cant restart the phone anymore...any suggestions?
Edit: Worked! Used the combination between power and Vol+ to reset, and now it starts!
You should disable CM Recovery Protection – On your phone go to Settings > Developer options. Then disable the ‘Update recovery with system updates’ option. Otherwise it will keep installing cm recovery itself.

Zenfone 2 z00a stuck in fastboot mode, will not boot up

Ok guys please help. I got this phone today and after playing around trying to install Lineage 14.1, i am stuck in fastboot. Recovery mode will not open, it just goes back to fastboot. Same thing happens when I attempt to do a normal boot, or turn off and on again. The phone is not rooted, and I have reflashed the custom recovery after failing to install lineage. It was bootloader unlocked but I think that was undone when I flashed an update to the device. I don't need help with lineage installation, I've decided its not worth the hassle but please help me get my phone to boot. Thankyou.
luigifae said:
Ok guys please help. I got this phone today and after playing around trying to install Lineage 14.1, i am stuck in fastboot. Recovery mode will not open, it just goes back to fastboot. Same thing happens when I attempt to do a normal boot, or turn off and on again. The phone is not rooted, and I have reflashed the custom recovery after failing to install lineage. It was bootloader unlocked but I think that was undone when I flashed an update to the device. I don't need help with lineage installation, I've decided its not worth the hassle but please help me get my phone to boot. Thankyou.
Click to expand...
Click to collapse
Go here https://forum.xda-developers.com/showthread.php?t=3448966
Get the latest raw image and the asus flash tool. Use the tool to flash the raw image in fastboot. You'll be back to factory.
Sent from my ASUS_Z00A using Tapatalk
Thanks Kenbo, not sure how I quote you but it worked

My phone keep booting into TWRP

Hi guys
I was trying to install miui 11 xiaomi.eu 9.10.10 on my phone
The first time i try it was successfully install
Now i try to do it again and my phone keeps booting into the twrp and does not boot into the OS at all.
I tried to do it again and again but it still booting into the twrp
:crying::crying::crying:
Does anyone know how to fix it
Mai Doãn Chiến said:
Hi guys
I was trying to install miui 11 xiaomi.eu 9.10.10 on my phone
The first time i try it was successfully install
Now i try to do it again and my phone keeps booting into the twrp and does not boot into the OS at all.
I tried to do it again and again but it still booting into the twrp
:crying::crying::crying:
Does anyone know how to fix it
Click to expand...
Click to collapse
Flash Stock ROM again via fastboot flash_all.bat or EDL with MiFlash. Then try installing that ROM again.

Redmi Note 8 pro - How to fix TWRP keep crashing?

So i followed the steps on unlocking my bootloader and i successfully unlocked it after a week. At first try i soft bricked my phone trying to install twrp begonia. img from the official website, then i fix it by flashing the older version of miui (miui10) by the help of xiaoMiFlash. After flashing miui 10 to fix the bootloop my phone works pretty well but i want to flash custom rom on it so i tried to install twrp 3.3.1 and it is running well from miui rom but after flashing corvus os to my phone i tried to enter recovery mode specifically twrp, it seems that after several seconds twrp crashes then my phone automatically restarting to corvus os. The main problem is twrp is not working well and it keeps crashing whenever i entered recovery mode (TWRP)
How to fix it??? PLEASE HELP
redmiANON said:
So i followed the steps on unlocking my bootloader and i successfully unlocked it after a week. At first try i soft bricked my phone trying to install twrp begonia. img from the official website, then i fix it by flashing the older version of miui (miui10) by the help of xiaoMiFlash. After flashing miui 10 to fix the bootloop my phone works pretty well but i want to flash custom rom on it so i tried to install twrp 3.3.1 and it is running well from miui rom but after flashing corvus os to my phone i tried to enter recovery mode specifically twrp, it seems that after several seconds twrp crashes then my phone automatically restarting to corvus os. The main problem is twrp is not working well and it keeps crashing whenever i entered recovery mode (TWRP)
How to fix it??? PLEASE HELP
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Click to collapse
SAME problem here ....anyone having a solution?
Same problem

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