hi..got j701f from friend , he asking change imei to another one...z3x not worked .. gave an imei error ,try to downgrade modem.when i downgraded , signal gone and still not work to change.Tried octoplus ,also ERROR. someone said use Chimera , but if knox x 1 can't unlock..And yes , Knox is 1.Can anyone help to repair imei on this phone?
