ONLY SC6531

ROM Official Blu Z5 Z210 version: FF253M10_B20_CF1_BLU_CF306A_V03_20180105_114624_9089 – Anatel

Install ROM:

FactoryDownload/UpgradeDownload/ResearchDownload

1 Unpack ROM and extract xxxxxxxxxxxxxxxxxxxxxxxxxxx.pac
2 Run UpgradeDownload or FactoryDownload or ResearchDownload, connect your android device to the computer
3 Click on "Load packet" and add the .pac
4 Click on "Start"
5 During the flashing your mobile will restart automatically
6 Finish