ZTE N9120 manual

Picture 3-1 Picture 3-2 Picture 3-3

4.Touch “System updates” to enter into “Storage card updates”, shown as picture 4-1:

Picture 4-1

5.Touch “Storage card updates” to enter into following interface, check whether the software version has been in specific directory of SD card, then touch OK, shown as picture 5-1.( If there is no update package in directory of Image directory, the prompt would appear shown as picture 5-2):