Hi, sorry for the late reply, I'll try my best to make this as easy is I can
I used the in-depth testing app from
here
(This is the download from this mr.v everything
video)
Now, the first thing I did after my phone was downgraded was install the app, it installed perfectly for me, no issues. Make sure developer options is still on with OEM unlocking and usb debugging on, if not, enable them again.
Afterwards, I started to install all drivers needed for adb and fastboot onto my pc. you need these files:
https://developer.android.com/studio/releases/platform-tools
once downloaded, extract anywhere. then find a tutorial to install adb and fastboot drivers, tonnes on youtube.
1. Now plug your phone into your pc, and make sure it is detected with usb debugging on, and set the mode to transferring files, also accept the message that pops up for usb debugging on the phone.
2. open the deep testing app > apply for deep testing. wait around 5-15 minutes, then press back and then check status. It should say application approved, and you can press a button to start deep testing, press it.
the following screen on the phone should look like this:
View attachment 5511823
3. now find the folder with the extracted platform tools from earlier, and hold shift and right-click in the folder, then click open powershell window. then, in the window, type
fastboot devices . your phone should appear in the powershell window, if it doesn't, check your fastboot drivers and find a youtube tutorial to fix this.
4. after all this, and your phone is detected in fastboot, you can now type
fastboot flashing unlock . follow the prompt on the phone interface, press the volume down button to select unlock, and then press the power button to confirm. After selecting UNLOCK THE BOOTLOADER, the phone will restore the factory settings and restart to the language selection interface. You are now ready to begin the switch from cn to eu rom process.
View attachment 5511825
(images taken from another guide:
https://forum.xda-developers.com/t/...ol-based-on-realme-ui-2-0-android-11.4306223/)