BenQ-Siemens EF51

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Full Specifications October 19, 2026

BenQ-Siemens · 2006

BenQ-Siemens EF51

Name: BenQ-Siemens EF51
Brand: BenQ-Siemens

BenQ-Siemens EF51 phone. Announced Feb 2006. Features 2.2″ display, 1.3 MP primary camera, 870 mAh battery, 20 MB storage.

Display 2.2"

Storage 20MB storage, miniSD slot

Camera 1.3 MP

Battery 870 mAh

OS Feature phone

Build 95g, 18mm thickness

Launch

Announced 2006, February

Status Discontinued

Display

Type TFT, 256K colors

Size 2.2 inches, 40 x 40 mm, 15.6 cm 2 (~35.7% screen-to-body ratio)

Resolution 120 x 128 pixels (~80 ppi density)

Memory

Card slot miniSD

Phonebook Yes, Photo call

Call records 10 dialed, 10 received, 10 missed calls

Internal 20MB

Main Camera

Single 1.3 MP

Video No

Selfie camera

cam2modules No

Body

Dimensions 89 x 49 x 18 mm (3.50 x 1.93 x 0.71 in)

Weight 95 g (3.35 oz)

SIM Mini-SIM

Battery

Type Removable Li-Ion 870 mAh battery

Stand-by Up to 200 h

Talk time Up to 4 h

Sound

Loudspeaker No

Alert types Vibration; Downloadable polyphonic, MP3 ringtones

3.5mm jack No

optionalother 3D surround sound

Comms

WLAN No

Bluetooth 1.2, A2DP

Positioning No

Radio FM radio

USB Proprietary

Network

Technology GSM

2G bands GSM 900 / 1800 / 1900

GPRS Class 10

EDGE No

Features

Messaging SMS, MMS

Browser WAP 2.0/xHTML

Games Yes + downloadable

Java Yes, MIDP 2.0

featuresother WMA/MP3/AAC/AAC+ player Predictive text input Voice memo Stopwatch Organizer

Misc

Colors Flashy White, Black

In depth

Full specifications

Announced	2006, February
Status	Discontinued

Type	TFT, 256K colors
Size	2.2 inches, 40 x 40 mm, 15.6 cm 2 (~35.7% screen-to-body ratio)
Resolution	120 x 128 pixels (~80 ppi density)

Card slot	miniSD
Phonebook	Yes, Photo call
Call records	10 dialed, 10 received, 10 missed calls
Internal	20MB

Single	1.3 MP
Video	No

cam2modules	No

Dimensions	89 x 49 x 18 mm (3.50 x 1.93 x 0.71 in)
Weight	95 g (3.35 oz)
SIM	Mini-SIM

Type	Removable Li-Ion 870 mAh battery
Stand-by	Up to 200 h
Talk time	Up to 4 h

Loudspeaker	No
Alert types	Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack	No
optionalother	3D surround sound

WLAN	No
Bluetooth	1.2, A2DP
Positioning	No
Radio	FM radio
USB	Proprietary

Technology	GSM
2G bands	GSM 900 / 1800 / 1900
GPRS	Class 10
EDGE	No

Messaging	SMS, MMS
Browser	WAP 2.0/xHTML
Games	Yes + downloadable
Java	Yes, MIDP 2.0
featuresother	WMA/MP3/AAC/AAC+ player Predictive text input Voice memo Stopwatch Organizer

Colors	Flashy White, Black

PhoneInsight Benchmark

13.9/100

Basic

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

Processor 7

Display 38

Camera 25.8

Battery 26.6

360,287 hitsTotal views

BenQ-Siemens EF51

Launch

Display

Memory

Main Camera

Selfie camera

Body

Battery

Sound

Comms

Network

Features

Misc

Full specifications

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