Questions & Answers | 27 |
Questions & Answers
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Question | Possible causes | Possible solution |
Phone cannot be | On/Off key not pressed long |
switched on. | enough. |
| Flat battery. |
Press On/Off key for at least two seconds.
Charge battery. Check charging indicator in the display.
Insufficient standby | Speed search active. | Deactivate speed search (p. 24). | |
time. | Display illumination switched on. | Switch off display illumination (p. 21). | |
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Charging error (charge | Battery totally discharged. | 1) Plug in charger cable, battery is on charge. | |
icon not displayed). |
| 2) Charge icon appears after approx. 2 hours. | |
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| 3) Charge battery. | |
| Contact problem. | Check power supply and connection to the | |
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| phone. Check battery contacts and device | |
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| plug socket, clean them if necessary, then in- | |
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| sert battery again. | |
| No mains voltage. | Use different mains power socket, check | |
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| mains voltage. | |
| Wrong charger. | Only use original Siemens accessories. | |
| Battery faulty. | Replace battery. | |
SIM error. | SIM card not correctly inserted. | Check that the SIM card is inserted correctly | |
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| SIM card contacts dirty. | Use a dry cloth to clean the SIM card. | |
| SIM card with wrong voltage. | Use 3 V SIM cards only. | |
| SIM card damaged (e.g. broken). | Visually inspect the damage. Have SIM card | |
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| replaced by service provider. | |
No connection to | Weak signal. | Move to higher location, to a window or open | |
network. |
| space. | |
| Outside GSM range. | Check coverage area of service provider. | |
| SIM card not valid. | Contact the service provider. | |
| New network not authorised. | Try manual selection or select a different net- | |
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| work (p. 24). | |
| Network barring is set. | Check barrings (p. 24). | |
| Network overloaded. | Try again later. | |
Phone loses network. | Signal too weak. | Reconnection to another service provider is |
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| automatic (p. 24). Switching the phone off and | |
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| on may speed this up. |
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