hi dear users....i have downgraded 17 devices with dt pto tool....downgrade ok...after downgrade imei were null....i have repaired with sigma then i putted in fastboot and i used quallcom dev option in nv reconstrutor....then reflashed with dt teamfile.....now it shows 1 imei...and second slot is not detecting....its about one mounth im asking the dt supporter for help....tnx god he is always busy...and im in trouble with the devices owner....any help would be appreciated...