Revert back to stock OS in OnePlus


This guide shows how to restore the stock Oxygen OS from any custom ROM in OnePlus 7 and latest OnePlus devices. This may work in 7 and below version of devices. But this worked 100% in my 7T device and this how I reverted back my device.

Important: Please read through the instructions at least once before actually following them, so as to avoid any problems due to any missed steps. Also take the backup of your data.

Preparation

Before we proceed, let’s get all the required files downloaded.

Hope that adb and fastboot is already installed. If it is not installed, follow this guide to install it in your computer.

Let’s create a folder named “android” in C: drive and move the downloaded files in this folder.

Now extract the payload-dumper-go zip file and move the payload-dumper-go.exe into the android folder, where the Oxygen OS zip file is available.

Now open the cmd/powershell and change the directory to c:/android

Use the payload-dumper to extract the image files from Oxygen OS. Run the command below.

PS C:/android> .\payload-dumper-go.exe .\OnePlusXXXX_...._XXXX.zip

Change the OnePlusXXXX_...._XXXX.zip to match your Oxygen OS zip file name.

After the extracting process is done. We could find a new folder extracted_XXXXXXXX_XXXXX.

Now change the command line to newly created folder.

PS C:/android> cd extracted_XXXXXXXX_XXXXX

Change the directory name extracted_XXXXXXXX_XXXXX with your matching name.

Flashing

With the device powered off, hold Volume Up + Volume Down + Power

Once the device is in fastboot mode, verify your PC finds it by typing

fastboot devices

Now flash the stock boot and recovery images

fastboot flash --slot=all boot boot.img
 fastboot flash --slot=all recovery recovery.img

Then reboot system into fastbootd mode

fastboot reboot fastboot

Now let’s start the flashing by wiping the device first.

fastboot -w
 fastboot flash --slot=all abl abl.img
 fastboot flash --slot=all aop aop.img
 fastboot flash --slot=all bluetooth bluetooth.img
 fastboot flash --slot=all boot boot.img
 fastboot flash --slot=all cmnlib64 cmnlib64.img
 fastboot flash --slot=all cmnlib cmnlib.img
 fastboot flash --slot=all devcfg devcfg.img
 fastboot flash --slot=all dsp dsp.img
 fastboot flash --slot=all dtbo dtbo.img
 fastboot flash --slot=all hyp hyp.img
 fastboot flash --slot=all imagefv imagefv.img
 fastboot flash --slot=all keymaster keymaster.img
 fastboot flash --slot=all LOGO LOGO.img
 fastboot flash --slot=all modem modem.img
 fastboot flash --slot=all multiimgoem multiimgoem.img
 fastboot flash --slot=all odm odm.img
 fastboot flash --slot=all oem_stanvbk oem_stanvbk.img
 fastboot flash --slot=all opproduct opproduct.img
 fastboot flash --slot=all qupfw qupfw.img
 fastboot flash --slot=all recovery recovery.img
 fastboot flash --slot=all storsec storsec.img
 fastboot flash --slot=all tz tz.img
 fastboot flash --slot=all uefisecapp uefisecapp.img
 fastboot flash --slot=all vbmeta vbmeta.img
 fastboot flash --slot=all vbmeta_system vbmeta_system.img
 fastboot flash --slot=all xbl_config xbl_config.img
 fastboot flash --slot=all xbl xbl.img
 fastboot reboot fastboot
 fastboot flash --slot=all system system.img
 fastboot flash --slot=all system_ext system_ext.img
 fastboot flash --slot=all vendor vendor.img
 fastboot flash --slot=all product product.img

Now the flashing process is done. If you wanted to lock the bootloader follow the below commands else reboot the device by entering the command fastboot reboot.

To lock the bootloader.

fastboot reboot bootloader
 fastboot oem lock

Now follow the onscreen steps to complete the lock process. Once it is done enter the command fastboot reboot to boot into the phone.

Hope this guide helped you to restore the stock Oxygen OS in your device.

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