Siemens A31

View Specs

Full Specifications September 5, 2026

Siemens · 2005

Siemens A31

Name: Siemens A31
Brand: Siemens

Siemens A31 phone. Announced Nov 2005. Features CSTN, 65K colors display, 820 mAh battery, 2 MB storage.

Storage 1.5MB storage, no card slot

Battery 820 mAh

OS Feature phone

Build 85g, 17.6mm thickness

Launch

Announced 2005, November

Status Discontinued

Display

Type CSTN, 65K colors

Resolution 128 x 128 pixels, 1:1 ratio

Memory

Card slot No

Phonebook Yes

Call records 10 dialed, 10 received, 10 missed calls

Internal 1.5MB

Camera

cam1modules No

Body

Dimensions 102 x 46 x 17.6 mm, 75 cc (4.02 x 1.81 x 0.69 in)

Weight 85 g (3.00 oz)

SIM Mini-SIM

Battery

Type Removable Li-Ion 820 mAh battery

Stand-by Up to 270 h

Talk time Up to 5 h

Sound

Loudspeaker Yes

Alert types Vibration; Polyphonic(32) ringtones

3.5mm jack No

Comms

WLAN No

Bluetooth No

Positioning No

Radio No

USB No

Network

Technology GSM

2G bands GSM 900 / 1800

GPRS Class 8

EDGE No

Features

Messaging SMS, EMS, MMS

Browser WAP 1.2.1

Games Yes + downloadable

Java Yes, MIDP 1.0

featuresother Predictive text input Organizer

Misc

Colors Anthracite, Ruby Red

In depth

Full specifications

Announced	2005, November
Status	Discontinued

Type	CSTN, 65K colors
Resolution	128 x 128 pixels, 1:1 ratio

Card slot	No
Phonebook	Yes
Call records	10 dialed, 10 received, 10 missed calls
Internal	1.5MB

cam1modules	No

Dimensions	102 x 46 x 17.6 mm, 75 cc (4.02 x 1.81 x 0.69 in)
Weight	85 g (3.00 oz)
SIM	Mini-SIM

Type	Removable Li-Ion 820 mAh battery
Stand-by	Up to 270 h
Talk time	Up to 5 h

Loudspeaker	Yes
Alert types	Vibration; Polyphonic(32) ringtones
3.5mm jack	No

WLAN	No
Bluetooth	No
Positioning	No
Radio	No
USB	No

Technology	GSM
2G bands	GSM 900 / 1800
GPRS	Class 8
EDGE	No

Messaging	SMS, EMS, MMS
Browser	WAP 1.2.1
Games	Yes + downloadable
Java	Yes, MIDP 1.0
featuresother	Predictive text input Organizer

Colors	Anthracite, Ruby Red

PhoneInsight Benchmark

11.6/100

Basic

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 7

Display 38

Battery 26.2

335,886 hitsTotal views

Siemens A31

Launch

Display

Memory

Camera

Body

Battery

Sound

Comms

Network

Features

Misc

Full specifications

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