How to revert to OB5 from stock based Android? - OnePlus 7 Pro Questions & Answers

I'm having trouble reverting to OOS Android 11 OB5 after trying KOSP. I'm trying to flash the stock rom via twrp but I can't install from my sdcard since I have to format data to view my storage effectively deleting the zip rom. Alternatively I've tried to revert using a fastboot rom with the AIO tool. All seems to flash fine but I get stuck on the bootloader unlocked screen and the system doesn't start. Tried also using MSM but the qualcomm port driver in device manager appears then disappears in Windows 10 and the phone goes into charge mode while connected to the PC. Keep getting stuck at every turn. Any help would be appreciated.

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[Q] Nexus S Bootlooped and not detect by adb

Totally n00bed my Nexus S.
Was running the latest Miui and installed ROM Manager. Decided to download stock Android and install.
Now the phone is boot-looped (stuck on the Nexus boot image) and Recovery seems to be gone.
I tried pushing the recovery image file but adb won't detect the device.
Any advice?
I had that once when I installed stock. I fixed it by going into recovery and clearing cache and dalvik
Sent from my Nexus S using XDA App
I can't boot into recovery though - It's missing.
theadb said:
Totally n00bed my Nexus S.
Was running the latest Miui and installed ROM Manager. Decided to download stock Android and install.
Now the phone is boot-looped (stuck on the Nexus boot image) and Recovery seems to be gone.
I tried pushing the recovery image file but adb won't detect the device.
Any advice?
Click to expand...
Click to collapse
you need to install the proper nexus s drivers.easiest way is to go to the pdanet website http://junefabrics.com/android/ , download their free product, and let it install the drivers for you. did you flash the recovery through rom manager originally? anyways, then wipe(data. factory reset) and reflash the stock rom. you always have to wipe before flashing a DIFFERENT rom, or youll get stuck in a bootloop.
I installed the 64-bit drivers from PDA already but I'm running XP 64-bit (could that be the issue?)
theadb said:
I installed the 64-bit drivers from PDA already but I'm running XP 64-bit (could that be the issue?)
Click to expand...
Click to collapse
maybe?????
Will adb still work even though I can't boot my phone and turn usb debugging on?
Unfortunately I have 64-bit windows at work, but I'll try on my Win7 or Mac at home.
Still can't get adb to or fastboot to recognize the device...maybe I'm missing something...
I have no recovery and can't boot - what can I do?
Bump. In the exact same mess.
I was on MIUI ICS and tried to go to a stock GB rom, ended up stuck at the boot animation in the fresh rom (which kept looping). Recovery was a no-go too. I tried using adb to push another stock rom which again, installed but got stuck at the boot animation. After that even adb stopped detecting the phone.
What do I do now? theadb how did you fix it?
ADB is working as I plugged in my HD2, which was detected immediately.
Er bump?
Use fastboot to flash a new recovery, then boot into recovery and do what is needed. Recovery will probably be replaced by stock each time you attempt to boot into android while the stock ROM is installed.
I'm in the exact same situation and I don't really think there's anything we can do. We can't enter fastboot. We can't go into download mode. We can't boot into recovery there is literally zilch that we can do to fix the phone.

HardBricked Oneplus One - details inside

Hello,
I was running Sultans 12.1 Rom.
I downloaded Franco Kernel R44 from the Oneplus One Franco Kernel thread.
I flashed via twrp and then got stuck in the oneplus logo boot loop.
I then tried restarting the phone back into recovery but the phone turned off and is now unable to restart.
I plug the phone into my Windows 10 pc to see if it will show up in device manager but the only thing I get is an Unknown USB device error.
Is there any way to recover back from this. I do have a NAND backup.
Thank you for any help that anyone can offer.
http://forum.xda-developers.com/oneplus-one/general/guide-return-opo-to-100-stock-t2826541
That solution won't work because I cannot even turn on my phone to enter fastboot. And the phone does not show up properly in device manager even after installing the recommended Samsung drivers.
Use the hard brick repair with Qualcomm 2012 drivers and MSM8974DLTool.exe, that would return you to ColorOS, or COS12 or CM11s respective to flash files. Then use the above method by @kenboyles72 and flash cos12.1 or whatever you want to flash
Transmitted via BACON

Wiped everything using TWRP

Hello I've haven't done any rooting or roms since the samsung s3 days. I was attempting to root my google pixel and when I wiped the phone in the TWRP recovery I made the mistake of ticking every box meaning the phone now has no os on it at all. I tried installing a factory rom from googles site but I only get an error saying the zip is an invalid file type.
Any help would be greatly appreciated.
I think,,,and I am not sure but if you wiped everything you will have to fastboot flash stock image then re-install TWRP and go from there.
Unzip the factory ROM zip on your computer, have the latest drivers and ADB/Fastboot installed/downloaded from Google's site, connect the phone in whichever mode it has to be in (Bootloader?) I forget but the information is plenty available in various threads here, there are only a couple of options anyway, then run the Flash-All.bat or .sh, depending on what OS you're running (Windows, Linux/Mac?).
If you can connect via MTP while in TWRP (if that's not wiped as well, or if you did if you haven't booted out of TWRP), then maybe you can copy the files over to flash a ROM and vendor image, and TWRP RC1 too so you can flash it again, although I would opt for starting back from scratch with the fully stock ROM/firmware flashed from a PC myself.
Flash the factory image and remain stock until you learn how to use recovery/restore a phone.
Sent from my Pixel using Tapatalk
Run flash all from PC to get back to stock. Then do a lot of reading.
Sent from my Pixel using Tapatalk

Bln-L24 - Flash Stock via TWRP

Hey Guys
[Update] I've managed to get Fastboot to work properly after flashing an ever older version of a MTA-Full-PV file. I have gotten TWRP re-installed & I'm trying to flash the latest stock but it's not writing.
I've seen some people talk about only flashing system/boot/vendor, and others say you can flash the full update.zip(which is not working for me). I've also tried to unpack the update file, remove the reovery.img & repackage but same issue.
Can anyone give me a guide to flashing stock via TWRP? Flashing just the system/boot/vendor failed.
I was attempting to go back to stock(like many other people here recently) and I didn't know I could use TWRP to update, so I flashed 360 via dload method.
Something didn't work properly as it flashed, and I can boot, but I'm missing something things in the rom, like their built-in updater. I've attempted to load a newer version via dload without success, 360 is the only version that seems to want to flash. If I try to re-flash it, or the companion zip, nothing happens. It doesn't wipe the existing rom or anything. I've tried doing a factory reset.
I still have my unlock code & I'd like to re-unlock the bootloader & install TWRP, however my device will not connect via USB. It will enter charge mode, but I cannot get it to be recognized by the PC.
Dev settings says it's in MTP mode. USB debug = enabled. I'd also tried enabled ADB during charge, but the PC still won't recognize it. I've had no issues with the PC/device combo previously.
I'm trying to find a better version to flash, but nothing seems to work. God knows when 8.0 will be released for US, so I would like to figure out what's going with USB. Once USB is working, I can unlock bootloader, flash TWRP, then flash a newer update.zip ?
It's very odd that no PC will recognize the device in MTP mode. I've ever tried rebooting into Fastboot mode(volume down at boot) but still nothing. I've tried multiple cables/pcs & Windows/Linux.
Any ideas why I ADB/MTP will not function? I don't believe it's a driver issue on the Windows 10 PC as it's not listed in device manager when I do a scan, even as an unknown device. Seems to enter charge mode just fine while connected to a PC, so I assume it's a software issue somewhere.

Need help recovering my phone from bootloop after trying to update custom rom

Today I tried to finally update to the latest version of crDroid, but ended up having a bunch of issues doing so, and after a lot of troubleshooting and trying to fix it, I ended up putting it into a bootloop of some sort instead.
I'm pretty sure the last thing I tried was installing a different version of TWRP to see if that version would let me properly install the rom, and stop my phone from always rebooting into recovery mode.
Trying to turn it on normally or boot into TWRP leaves it hanging on the "Redmi" boot screen, it can boot into fastboot mode though.
I'm guessing that the only way to recover my phone at this point is to flash the Official MIUI rom back onto the phone, but that also involves wiping Data and losing pretty much everything I've put on the phone.
I was smart enough to make a TWRP of the Data folder, but while making the backup, the console said it doesn't include all personal files or something.
How much of my personal data and files can I rescue from the phone in this state, and how can I do that before it gets wiped when fixing it?
Also, I think I really need some help in actually restoring my phone and flashing the custom rom properly.
No matter how much effort I put into figuring out how to do this stuff, unexpected issues always seem to happen, and turns something that initially seemed so simple into multiple hours of troubleshooting.
The only way I think i've gotten rom flashing to work at all was by wiping everything and installing the official MIUI rom, but I don't want to be losing my data every month when an update comes out.
So, could someone please help me get my phone working again?
Edit: I ended up fixing my own issue by ADB flashing on a different release of TWRP, and then installing fcrypt disabler after the rom but before everything else.
Sanarise said:
Today I tried to finally update to the latest version of crDroid, but ended up having a bunch of issues doing so, and after a lot of troubleshooting and trying to fix it, I ended up putting it into a bootloop of some sort instead.
I'm pretty sure the last thing I tried was installing a different version of TWRP to see if that version would let me properly install the rom, and stop my phone from always rebooting into recovery mode.
Trying to turn it on normally or boot into TWRP leaves it hanging on the "Redmi" boot screen, it can boot into fastboot mode though.
I'm guessing that the only way to recover my phone at this point is to flash the Official MIUI rom back onto the phone, but that also involves wiping Data and losing pretty much everything I've put on the phone.
I was smart enough to make a TWRP of the Data folder, but while making the backup, the console said it doesn't include all personal files or something.
How much of my personal data and files can I rescue from the phone in this state, and how can I do that before it gets wiped when fixing it?
Also, I think I really need some help in actually restoring my phone and flashing the custom rom properly.
No matter how much effort I put into figuring out how to do this stuff, unexpected issues always seem to happen, and turns something that initially seemed so simple into multiple hours of troubleshooting.
The only way I think i've gotten rom flashing to work at all was by wiping everything and installing the official MIUI rom, but I don't want to be losing my data every month when an update comes out.
So, could someone please help me get my phone working again?
Click to expand...
Click to collapse
can u boot into twrp?
if u can boot, while in twrp, connect your phone via usb cable to pc. u can copy everything on pc
Simoom Sadik said:
can u boot into twrp?
if u can boot, while in twrp, connect your phone via usb cable to pc. u can copy everything on pc
Click to expand...
Click to collapse
Unfortunately, I can't.
Trying to boot into TWRP just gets stuck on the 'Redmi' boot logo.
I just remembered that you can install TWRP over ADB, and that Peter's one says it works even when the system partition is empty, so maybe the issue is the TWRP I installed and could possibly undo this part of the issue over ADB.
It won't fix the issue preventing my from updating my rom, but recovery only is still better than a soft brick.
Edit: That worked, i've put Peter's TWRP back on, and it's launching into recovery mode/TWRP again now
twrp not boot after successfully flash in this rom
Sanarise said:
Unfortunately, I can't.
Trying to boot into TWRP just gets stuck on the 'Redmi' boot logo.
I just remembered that you can install TWRP over ADB, and that Peter's one says it works even when the system partition is empty, so maybe the issue is the TWRP I installed and could possibly undo this part of the issue over ADB.
It won't fix the issue preventing my from updating my rom, but recovery only is still better than a soft brick.
Edit: That worked, i've put Peter's TWRP back on, and it's launching into recovery mode/TWRP again now
Click to expand...
Click to collapse
flash latest twrp download from github, install twrpbuilder img twrp ,it boot fine and you will copy your data to pc and then install any other twrp img which u want , dont wipe anything from phone before phone boot.flash only original twrp builder 3.2.3.1 official,it boot only on latest updates.
Why nobody use orangefox?
is your issue solve or not tell,
Simoom Sadik said:
can u boot into twrp?
if u can boot, while in twrp, connect your phone via usb cable to pc. u can copy everything on pc
Click to expand...
Click to collapse
if your problem is not solve then tell me you need to flash a fastboot rom first with save user data.bat file and when it installed then you can install twrp builder 3.2.1. and then boot to twrp this methods working fine,if you recently flashed any android 10 rom then first you need to flash a miui fastboot rom,or flash it via command mode direct only 3 files
first click on extract a fastboot rom and copy boot system and vender file with flash.all bat file and make a new folder then click on flash.bat save user data file to flash these images
or you can do this manually
fastboot flash system system.img
fastboot flash vender vender.img
fastboot flash boot boot.img
then reboot device to fastboot again
now flash latest official twrp builder 3.2.3.1 img twrp and take all your data backup,
in fastboot flash latest miui do not downgrade direct otherwise you lost your data,
after this if you sucess then you can flash your old rom which is running before issue of boot loop of redmi logo
it will deincrypt your data safely and then root device and boot normally, if you lost anything then contact me with mail or whatsapp i will help you,7009197673 india
and this twrp work on all version from chines to global beta stable and indian stable
joke19 said:
Why nobody use orangefox?
Click to expand...
Click to collapse
In the end, I did try orangefox, and it might have been part of why it worked.
However, the crDroid installation instructions specifically mentions using Peter's TWRP, so I initially used that one.
anmoltinder said:
if your problem is not solve then tell me you need to flash a fastboot rom first with save user data.bat file and when it installed then you can install twrp builder 3.2.1. and then boot to twrp this methods working fine,if you recently flashed any android 10 rom then first you need to flash a miui fastboot rom,or flash it via command mode direct only 3 files
Click to expand...
Click to collapse
Thank you for the effort you put into typing up a guide to help me, but I ended up fixing my own problem.
I was able to use fastboot to flash on a better TWRP release, and then get the rom to install properly by installing fcrypt-disabler just after it.
Sanarise said:
Today I tried to finally update to the latest version of crDroid, but ended up having a bunch of issues doing so, and after a lot of troubleshooting and trying to fix it, I ended up putting it into a bootloop of some sort instead.
I'm pretty sure the last thing I tried was installing a different version of TWRP to see if that version would let me properly install the rom, and stop my phone from always rebooting into recovery mode.
Trying to turn it on normally or boot into TWRP leaves it hanging on the "Redmi" boot screen, it can boot into fastboot mode though.
I'm guessing that the only way to recover my phone at this point is to flash the Official MIUI rom back onto the phone, but that also involves wiping Data and losing pretty much everything I've put on the phone.
I was smart enough to make a TWRP of the Data folder, but while making the backup, the console said it doesn't include all personal files or something.
How much of my personal data and files can I rescue from the phone in this state, and how can I do that before it gets wiped when fixing it?
Also, I think I really need some help in actually restoring my phone and flashing the custom rom properly.
No matter how much effort I put into figuring out how to do this stuff, unexpected issues always seem to happen, and turns something that initially seemed so simple into multiple hours of troubleshooting.
The only way I think i've gotten rom flashing to work at all was by wiping everything and installing the official MIUI rom, but I don't want to be losing my data every month when an update comes out.
So, could someone please help me get my phone working again?
Edit: I ended up fixing my own issue by ADB flashing on a different release of TWRP, and then installing fcrypt disabler after the rom but before everything else.
Click to expand...
Click to collapse
help.I woke up yesterday and I turned on my phone and it is stuck on the Mi logo.All i can do is get it to fastboot thing.It seems like you and I have the same problem and I would love to have some help from you
Fcsubxrhi said:
help.I woke up yesterday and I turned on my phone and it is stuck on the Mi logo.All i can do is get it to fastboot thing.It seems like you and I have the same problem and I would love to have some help from you
Click to expand...
Click to collapse
If you can access fastboot, then flash TWRP.... Enter recovery, wipe your system partitions and then flash the Stock MIUI ROM or use the MiFlash tool. Make sure you aren't flashing an older version of the ROM than the onle already installed.
CongestedHangman said:
can u boot into twrp?
if u can boot, while in twrp, connect your phone via usb cable to pc. u can copy everything on pc
Click to expand...
Click to collapse
I have the same problem that stated after installing the update for derpfest and I can boot into twrp. Any solution for me?

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