Key facts
- Brand
- Siemens
- Model
- A31
- Category
- Cell Phones
- Documents
- 10
- Languages
- EN · ZH
- Last added
- 2012-07-04
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Siemens A31 User Manual
This manual covers safety precautions, battery handling, SIM card installation, PIN and password settings, and general usage guidelines for the Siemens A31 mobile phone. It also includes instructions for charging, protecting the device, and maintaining optimal performance.
The guide details the phone’s features such as the address book, SMS/MMS messaging, T9 input, voice dialing, internet browsing, multimedia playback, and calendar functions. Technical specifications, warranty information, and service contacts are provided at the end of the document.
Siemens A31 specifications
| Dimensions | 102 x 46 x 17.6 mm |
|---|---|
| Battery voltage | 3.0 V or 1.8 V |
| Talk time | up to 300 minutes |
| Standby time | up to 270 hours |
| Operating temperature | -10 °C to +55 °C |
| Frequency band | 880‑960 MHz |
| Frequency band | 1710‑1880 MHz |
Source: Siemens A31 User Manual
All Siemens A31 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Disassembly, diagnostics and part numbers, for repair.
Questions answered in these manuals
How can I set or disable the PIN code on the Siemens A31?
You can disable the PIN code at startup, or change it via the PIN settings menu.
From: Siemens A31 User Manual
How many contacts can be stored in the address book?
The address book can store up to 500 entries.
From: Siemens A31 User Manual
What is the rated voltage of the 8DN8 HIS switchgear?
It is rated for up to 145 kV.
From: SIEMENS HIS Highly Integrated Switchgear up to 145 kV 40 kA 3150 A Type 8DN8 Manual
How much space does the HIS switchgear save compared to air‑insulated switchgear?
It requires less than half the space of a comparable air‑insulated switchgear.
From: SIEMENS HIS Highly Integrated Switchgear up to 145 kV 40 kA 3150 A Type 8DN8 Manual
What is the rated voltage of the Siemens 8DN9 gas‑insulated switchgear?
It is rated for voltages up to 245 kV.
From: SIEMENS Gas-Insulated Switchgear up to 245 kV 50 kA 3150 A Type 8DN9 Manual
What short‑circuit breaking current can the 8DN9 handle?
The switchgear can break short‑circuit currents up to 50 kA.
From: SIEMENS Gas-Insulated Switchgear up to 245 kV 50 kA 3150 A Type 8DN9 Manual