The BenQ-Siemens EF71 is a mid-range mobile phone released in 2006, featuring a sleek metal design and multimedia capabilities. Below are its key specifications and a summary of customer reviews:

Specifications:

• Display: 2.2-inch TFT, 240 x 320 pixels (QVGA)
• Camera: 2.0 MP with autofocus and LED flash
• Memory: 16 MB internal, expandable via microSD (up to 1 GB)
• Connectivity: Bluetooth 2.0, USB 2.0
• Multimedia: MP3/AAC player, FM radio, video playback
• Battery: 820 mAh Li-Ion (up to 250h standby, 4h talk time)
• Dimensions: 94 x 51 x 15.5 mm, 110 g
• Other Features: Stereo speakers, dedicated music keys

Summary of Customer Reviews:

• Pros:

  • Premium metal build quality for its time.
  • Good audio output with stereo speakers.
  • Decent camera performance with autofocus.
  • Responsive keypad and intuitive interface.

• Cons:

  • Battery life was considered weak for heavy usage.
  • Limited internal storage without a microSD card.
  • Software occasionally lagged or froze.
  • No 3G support, only GSM/GPRS/EDGE.

Overall, the EF71 was praised for its stylish design and multimedia features but criticized for its battery and performance limitations.