Vui lòng giúp nâng cấp ngôi sao vsmart của tôi lên VOS

[Asperkun]

Please help me upgrade the regular VSmart Star from Stock Andorid 9 to VOS. Got a detailed tutorial on how to do this?
I'm from Russia, so I'm sorry that Vietnamese is so bad.

 

[Thinhx2]

Please help me upgrade the regular VSmart Star from Stock Andorid 9 to VOS. Got a detailed tutorial on how to do this?
I'm from Russia, so I'm sorry that Vietnamese is so bad.

Pm me if you want convert stock android 9 to vos 2.0/2.5/3.0