Problem | Possible cause |
| Solution | |
| • SIM card invalid. |
| Contact your network | |
Unable to |
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| operator. | |
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• You are not within | the | Check the service area with | ||
connect to the | ||||
network's service area. | your network operator. | |||
network. | ||||
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| • Poor signal. |
| Move to an open space, or if | |
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| you are inside a building, | |
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| move closer to a window. | |
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You cannot | • You have activated | the | Go to Settings > Call | |
answer | Call Barring feature. |
| Settings > Call Barring, | |
incoming |
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| and then select Cancel All. | |
calls. |
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| • You have activated | the | Go to Settings > Call | |
You cannot | Call Barring feature. |
| Settings > Call Barring, | |
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| and then select Cancel All. | ||
make |
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outgoing | • You have activated the |
| Go to Settings > Call | |
calls. | Fixed Dial Number |
| Settings > Fixed Dial | |
| feature. |
| Number, and then select | |
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| Off to turn off this feature. | |
| • You have entered an |
| Contact your network | |
PIN Code is | incorrect PIN code three | operator. If the network | ||
consecutive times. |
| operator provides the SIM | ||
blocked. |
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| card's PUK code, use the | |
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| PUK code to unlock the SIM | |
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| card. | |
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| • The battery or battery |
| Contact the dealer. | |
| charger is damaged. |
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Battery will | • The phone's temperature | Adjust the battery charging | ||
is below 0 °C or higher | environment to avoid | |||
not charge. | ||||
than 45°C. |
| extremes of temperature. | ||
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| • Poor contact between the | Check all connectors to | ||
| battery and charger. |
| make sure all connections | |
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| have been properly made. | |
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