Problem with md5 verification and write/delete file on my phone

Hi guys.... I have two BIG problem.

I can't use my cwm backup because md5 verification failed
And
I can't modify any file on my phone. I can't cut/copy/delete anything

I already done full wipe
I already done rom reflash

Last thing is only bootloader

Sent from Xiaomi Mi-4g ( the "g" is for graveyard not for great )...with tapatalk 26°