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BenQ-Siemens EF51

BenQ-Siemens EF51
alaScore 78

58 reviews

Apr, 2018

  • Negative

alaTest has collected and analyzed 58 reviews of BenQ-Siemens EF51. The average rating for this product is 3.7/5, compared to an average rating of 4.1/5 for other Cell phones for all reviews. Reviewers really like the reliability. The price also gets good reviews.

price, reliability

We analyzed user and expert ratings, product age and more factors. Compared to other Cell phones the BenQ-Siemens EF51 is awarded an overall alaScore™ of 78/100 = Good quality.

Review analysis

(Based on 58 reviews)

Expert Reviews  

User Reviews  

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Showing 1 - 3 of 3 Show Reviews: in English | in other languages (55)

Expert review by : Shayne Rana (

BenQ-Siemens EF51


The EF51 could be a good phone for first-time users; it comes with Bluetooth, camera, and color screen.

The EF51 is, in my opinion, a ‘First Phone’. In other words, this is a good phone to buy for someone who’s going to be using a mobile for the very first time. I let my mum use it for a bit after she’s been using a simple piece, and she liked it. In her...

Sep, 2007

Expert review by : Mobile Gazette (

BenQ-Siemens EF51


phones, and certainly it could benefit from a better display, but given past handsets from this stable it's quite likely that the BenQ-Siemens EF51 will offer very good value for money (prices have not been confirmed).

Feb, 2006

Expert review by (



Benq Siemens EF51 is a tri-band GSM phone with color display and megapixel camera. It has flip with music dedicated keys and numeric keypad under it. It features music playback and the 20MB of internal memory are expanded through miniSD cards

Music keys, camera

Battery life

Product Specifications


FM radio: Yes
Music player: Yes
Ringer type:Polyphonic
Voice Recording: Yes


Built-in Camera: Yes
Main camera resolution (numeric):1.3
Rear camera:Y
Rear camera resolution (numeric):1.3

Data Transmission

Bluetooth: Yes
Infrared data port: No


Display diagonal:4.06
Display number of colours:262144 colours
Display Resolution:128 x 128


Internal Memory:20


MMS (Multimedia Messaging Service): Yes


Data network:GPRS

Other features

Interface:USB, Bluetooth
Networking type:GSM
Operating Frequency:900 / 1800 / 1900
Playable formats:MP3, AAC, AAC+, WMA
Playback formats:MP3, AAC, AAC+, WMA
Smartphone: No

Phone features

Java technology: Yes


Battery Capacity:920
Battery technology:Lithium-Ion (Li-Ion)
Standby time (2G):200
Talk time (2G):4

Weight & Dimensions

Height :1.8
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