The TECNO 528 feature phone features a vibrant 2.8″ TFT non-touch display (240 × 320 px), dual‑SIM GSM 900/1800 MHz support with MOS/Nucleus OS running on an MT626OA chipset alongside 8 MB RAM and 16 MB ROM (expandable via microSD up to 32 GB); it houses a rear camera with flash (around 0.8–1.3 MP), Bluetooth 3.0, built-in wireless FM radio, loudspeaker and 3.5 mm audio jack, a compact candy‑bar design (~130 × 57 × 14.5 mm, ~105 g), and a robust removable 2500 mAh battery delivering up to ~50 hrs talk time, ~80 days standby, and ~199 hrs of music playback—perfect for long-lasting, reliable basic