
| Problem | Possible cause | 
 | Solution | 
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 | • The standby time is | If you are located in an area | |||||
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 | related to your network | where | signaling | is weak, | |||
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 | operator's system | temporarily | shut | off | the | ||
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 | configuration. The same | phone. | 
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 | phone used with different | 
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 | network operators' | 
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 | systems will not provide | 
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 | exactly the same length | 
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 | of standby time. | 
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| Shortened | • The battery is depleted. In | Use a new battery. | 
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| standby time | environments, battery life | 
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 | will be shortened. | 
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 | • If you are not able to | Change your location to one | |||||
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 | connect to the network, | where | the | network | is | ||
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 | the phone will continue to | accessible, | or temporarily | ||||
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 | send out signals as it | turn off your phone. | 
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 | attempts to locate a base | 
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 | station. Doing so | 
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 | consumes battery power | 
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 | and will consequently | 
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 | shorten standby time. | 
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| You cannot | • Battery power has been | Recharge the phone's | 
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| switch your | depleted. | battery. | 
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| phone on. | 
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 | • SIM card malfunction or | Take the SIM card to your | |||||
| SIM card | damage. | network operator for testing. | |||||
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| • SIM card inserted | Insert the SIM card properly. | ||||||
| error | |||||||
| improperly. | 
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 | • Debris on the SIM card | Use a soft, dry cloth to clean | |||||
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 | contacts. | the SIM card contacts. | 
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