NBgame&reg; Micro USB JIG Download Mode Dongle Fix for Samsung Galaxy S4 S3 S2 S Note 3 2 1 If Something Goes Wrong When You Root or Flash ROM, this USB Jig Can Turn Your Bricked/Semi-Bricked Phone into Download Mode Again It can clear your flash counter. You need to clear the flash counter if your phone needs warranty service, so that samsung will not you rooted your phone or flashed ROM It can clear your flash counter. You need to clear the flash counter if your phone needs warranty service, so that samsung will not you rooted your phone or flashed ROM Fix / Unbrick Download Mode USB Dongle Jig Package Includes:1 x Fix / Unbrick Download Mode USB Dongle Jig (Device not Included, Accessory ONLY)