Welcom to download the latest Ultra ROM :
https://mega.nz/#F!7wtDGaKB

The Entry Password For Above ROM :
!VECkB_xCrI_I19LJMjnLHg

Any question or any help , pls leave an message here , we will reply you as soon as possible !

Great thanks & best regards

Blackview

Is any difference between the V2 and V3 versions in hardware and software?

rom y813 special Ultra