đã dùng z3x prepair báo ok hết nhưng gọi không được Selected model: N7100 Selected port: Selected port speed: 115200 Waiting ADB device... Please, allow USB debugging on phone... OK Reading phone info... Model: GT-N7100 Android version: 4.4.2 Product code: Not Active Phone version: N7100DXUFNI1 PDA version: N7100XXUFNI4 CSC version: N7100OLBFNI1 IMEI: 004999010640000 Phone S/N: 00000000000 Checking Super user right... true Reading modem... OK Patching modem... OK Writing modem... OK Reading kernel... OK Rebooting phone... OK Repair done Done with Samsung Tool v.18.5