High Quality Micro USB Jig Download Mode Dongle For Samsung Galaxy S4 S3 S2 S S5830 N7100 Repair Tool
[Model] for choose means the usb jig universal for those Models.
1. It can clear your flash counter. You need to clear the flash counter if your phone needs warranty service, so that for samsung will not you rooted your phone or flashed ROM.
2. If you like to root or install custom ROM on your For Samsung Phone, this USB jig is a must have!
3. If something goes wrong when you root or flash ROM, this USB Jig can turn your bricked/semi-bricked phone into download mode again.