Selected model: I9070
Selected port: COM12 Z3X BOX Serial Port
Selected port speed: 115200
Reading phone info...
Model: GT-I9070
Android version: 4.1.2
Product code: GT2I9070HKASER
Phone version: I9070XXLPZ
PDA version: I9070XXLPZ
CSC version: I9070SERLPZ
IMEI: Unknown
Checking Super user right... true
Reading data from phone... error
Done with Samsung Tool v.14.7
Any specific reason or method?
PS: My mistake in headline...not 4.2.1 but 4.1.2...