| • Is the reception of network signal in good | |
| condition? Move to an open space, or a place | |
| closer to window. | |
| • Is network selection setting setup properly? If | |
| necessary, try to select your network manually. | |
| • Have you already activated the fixed dialling and | |
Unable to make calls. | call barring functions? If yes, deactivate them | |
temporarily. | ||
| ||
| • Has the call cost exceeded your cost credit? | |
| Check your remaining cost credit and reset the | |
| call cost if necessary. | |
| • Are you using your phone with other SIM cards | |
| when SIM lock protection function has been | |
| activated? Deactivate the function if necessary. | |
|
| |
| • Is the reception of network signal in good | |
| condition? Move to an open space, or a place | |
Unable to receive calls. | closer to window. | |
| • Have you already activated call divert or call | |
| barring functions? Deactivate them if necessary. | |
|
| |
Your voice can not be heard. | Have you already turned on the | |
function? Turn it off if necessary. | ||
| ||
|
| |
Can not use certain call | To use certain advanced call functions (such as | |
call divert and call barring), you may need to | ||
functions. | ||
subscribe these services to your operator first. | ||
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154 - Troubleshooting