Please help me that downgrade from pie to oero

[mehrdad_esmaeeli]

Please help me that downgrade from pie to oero
My phone is full sim bild 3.31.401.1
Because pie have a bug
Plz explain for me step_step
Thanks

 

[fabrizio b92]

-Download "simple cid getter" from playstore to get your cid device

-Download RUU firmware from this link(remember and check CID before download)-->https://docs.google.com/spreadsheets/d/15JL3tRWDSVOUKo_revEYtQ_tRcOSJ0vWcvk8a7TK8Hk/edit#gid=0

-rename RUU to 2PZCIMG.zip

-copy 2PZCIMG.zip to SD card

-reboot to download mode

-press Volume Up button to confirm flash of RUU
As soon as your RUU has been flashed sucessfully, that's it. Your are now Full Stock again!

IMPORTANT: This procedure format all you data, so make a backup before