How To Revert Back To 7.7.20 From 7.8.17?

[Geheimnis12]

How to revert back to 7.7.20 from 7.8.17?

 

[Kevin Flot]

Download the 7.7.20 rom
go to updater
Menu
Choose update package
Select the 7.7.20 zip file

 

[Geheimnis12]

I encountered problem doing that method. It will boot to TWRP. Then it will encounter an error.

 

[badodoy]

I encountered problem doing that method. It will boot to TWRP. Then it will encounter an error.

try doing the conventional way of booting to twrp, i.e., switch-off phone then press volume+ and power. flash the rom away.

 

[Geheimnis12]

Thanks. That's what I did.