Shenzhen Walida After-sale Service Department
SG3318 Trouble shooting and maintainence
Replace PCB
Check SIM card
Replace SIM card
Download software
Enter into menu, and change the Network
selection to “Auto” and Bandwidth to
Dual Band
Replace PCB
Replace antennae
Check antennae and
contact point
No signal or weak signal
Technical support department
repairing process for
“
No signal
”
After-sale
Содержание SG3318
Страница 1: ...Manual for after Sales Services ...
Страница 5: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 4 Appearance ...
Страница 7: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models ...
Страница 15: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 四 Hardware Circuit 1 7 1 ...
Страница 16: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models ...
Страница 17: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 2 7 2 ...
Страница 18: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 3 7 3 ...
Страница 19: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 4 7 4 ...
Страница 20: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 5 7 5 ...
Страница 21: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 6 7 6 ...
Страница 22: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 7 7 7 ...