This is the G CLONER BOX, it works together with CN900 key programmer when you copy 4G chips.
G CLONER BOX for CN900 key programmer
What should you pay attention to when you use this G cloner box
1) G cloner box has the unique serial number for G cloner box.
2) When you update CN900 key programmer, input this serial number. Then this G cloner box will be activated for usage, and it will be bonded with this CN900 key programmer. It means one G cloner box only can work together with one CN900 key programmer.
3) G cloner box can use CN5 4G chips