PROCEDURE:
Power off c vivo salpak mrt dongle open mrt module 2.60 then click vivo qc then select vivo new at salpak usb cable by holding up&down volume at select port and model then select factory reset then click start wait until done.
after reset if the device hang logo or auto restart perform hard reset by holding vol-up and power switch, then wipe data and then goto system repair mode then ok and reboot now nd enjoy..
Power off c vivo salpak mrt dongle open mrt module 2.60 then click vivo qc then select vivo new at salpak usb cable by holding up&down volume at select port and model then select factory reset then click start wait until done.
after reset if the device hang logo or auto restart perform hard reset by holding vol-up and power switch, then wipe data and then goto system repair mode then ok and reboot now nd enjoy..