Recently oppo Release Color OS 12 for OPPO Reno6 5G CPH2251 but many user facing some issue on it, so here we share a complete guide to downgrade OPPO Reno6 5G CPH2251 to android 11.3 Android11.
Instructions:
- Download & extract MTK client
- Install Mediatek drive on Your PC
- Download and extract Android 11 Firmware
- go to mtk client folder and Open CMD
- Send below code
cd mtkclient pip3 install -r requirements.txt
- Connect Switched of Phone to PC by Pressing volume up and down key
- Now Send below code
python mtk wl "stock ROM location full path"
Fix Slow Speed:
edit mtk_daxflash.py and replace below values
#dsize = min(length, 0x200) #original value dsize = min(length, 0x2004) #new value