The BenQ-Siemens SF71 is a sleek, slider-style mobile phone released in the mid-2000s. Below are its key specifications and a summary of customer reviews:

Specifications:

• Display: 2.0-inch TFT, 262K colors, 240 x 320 pixels
• Camera: 2.0 MP (1600 x 1200 pixels) with LED flash
• Memory: 16 MB internal, expandable via microSD (up to 1 GB)
• Connectivity: Bluetooth, USB, GPRS
• Battery: 820 mAh Li-Ion (up to 250h standby, 4h talk time)
• Dimensions: 91.5 x 46 x 19.5 mm, 95g
• Features: MP3 player, FM radio, video recording, Java support

Summary of Customer Reviews:

• Pros:

  • Stylish, compact slider design with a solid build.
  • Bright, sharp display for its time.
  • Decent 2MP camera with LED flash, good for basic photography.
  • Smooth slider mechanism and responsive keypad.
  • Good audio quality for music and calls.

• Cons:

  • Limited internal storage (16 MB) without a microSD card.
  • Battery life was average, requiring frequent charging.
  • No 3G support, limiting internet speeds.
  • Some users reported occasional software lag.

Overall, the SF71 was praised for its design and multimedia features but had limitations in storage and battery performance.