Where to download ofp file to rollback/downgrade | Narzo 50 Pro 5G

[HAiDEZU]

Where can I download an ofp file to rollback my Narzo 50 Pro 5G(Philippines). The only I have is zip file

or where to download an Ozip file to directly downgrade it on the phone

I have connection issue both in Wifi and Data, I want to downgrade it to stock version of Narzo 50 Pro 5G

 

[Bocbone]

UP

 

[Fappuns]

Up
same issue to sa Narzo 4G ko ayaw gumana yung isang sim slot hahahaba

 

[LiterallyBLiND]

saan niyo nadownload yang file sir?