CHECK SOFTWARE VERSION
1- dail *#900# OR *#800#
DEFAULT USER CODES
1- dail 1122, 3344, 1234, 5678
RESTORE FACTORY SETTINGS
1- dail *#987*99#
CAHANGE LCD CONTRAST
1- dail *#369#
ENGINEERING MODE
1- dail *#110*01#
FACTORY MODE
1- dail *#987#
CHANGE SCREEN LANGUAGE
1- dail *#0000# SET Default Language
2- dail *#0007# SET Russian Language
3-dail *#0033# SET French Language
4-dail *#0034# SET Spanish Language
5-dail *#0039# SET Italian Language
6-dail *#0044# SET English Language
7-dail *#0049# SET German Language
8-dail *#0066# SET Thai Language
8-dail *#0084# SET Vietnamese Language
8-dail *#0966# SET Arabic Language
......