User's Manual

4005 User Manual

4. Scroll to Yes and then press Select to perform a factory reset. Otherwise, scroll to No and then press

Select to back to the sub-menu of Setting.

5. When the screen shows a confirmation message, press Select to continue.

6. Scroll to Yes, press Select, and then enter the PIN. The system will be reset to its default

immediately. (Please note that the SIM card will be blocked if you enter incorrect PIN three times.)