Your device is corrupt. It can't be trusted and may not work properly

[gseinstein]

I tried to install mokee os in my nubia red magic nx609j
but while flashing twrp recovery it always showed an error

target didn't report max-download-size

So when I searched online someone mentioned to perform

fastboot erase recovery

After I did that My phone is stuck at the red magic logo screen
when i reboot to recovery mode it shows Your device is corrupt. It can't be trusted and may not work properly
mine is a chinese version

Someone please help me ?????

 

[abbilaash]

Try stock rom...
Using fastboot commands