64 | Questions & Answers |
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If you have any questions about using your phone, visit us at
In addition we have listed some frequently asked questions and answers below.
Question | Possible causes | Possible solution |
Phone cannot | On/Off key not pressed long | S Press On/Off key for at least two seconds. |
be switched on. enough. |
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| Flat battery. | Charge battery. Check charging indicator in the display. |
| Battery contacts dirty. | Clean contacts. |
| See also below under: |
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| “charging error" |
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Standby time | Speed search active. | Deactivate speed search (p. 58). |
too short. |
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| Display illumination on. | Switch off display illumination (p. 57). |
Charging error | Battery totally discharged. | 1) Plug in charger cable. |
(charge icon not |
| 2) Wait up to 2 hours until the charge icon is displayed. |
displayed). |
| 3) Charge battery as usual. |
| Temperature out of range: | Make sure the ambient temperature is right, wait a |
| 5 °C to 40 °C | while, then recharge. |
| Contact problem. | Check power supply and connection to the phone. |
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| Check battery contacts and device interface, clean |
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| them if necessary, then insert battery again. |
| No mains voltage. | Plug in to a different socket or check voltage. |
| Wrong charger. | Only use original Siemens accessories. |
| Battery fault. | Replace battery. |
SIM error. | SIM card not correctly inserted. | Make sure that the SIM card is correctly inserted (p. 6). |
| SIM card contacts dirty. | Clean the SIM card with a dry cloth. |
| SIM card with wrong voltage. | Use 3 V SIM cards only. |
| SIM card damaged (e.g. broken). Inspect the damage. Return the SIM card to service | |
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| provider. |
