Design & Display
- Dimensions & Weight: 163.74 × 75.03 × 7.99 mm, 187 g
- Build: Glass front (Panda Glass), plastic frame/back. IP54 dust resistance & IPX4 splash resistance
- Screen: 6.56″ IPS LCD, 720 × 1612 px (HD+), ~269 ppi, 89.8 % screen-to-body, 60 Hz refresh, 480 nits (typ.), 600 nits max
Performance & Storage
- Chipset: MediaTek Helio G35 (MT6765G) octa‑core — 4×2.3 GHz + 4×1.8 GHz, PowerVR GE8320 GPU @680 MHz
- Memory: 4 GB LPDDR4X (1600 MHz), optionally with 4 GB RAM Expansion (works like virtual RAM)
- Storage: 128 GB eMMC 5.1, expandable via microSD (up to 1 TB)
Cameras
- Rear: Dual setup – 50 MP main (f/1.8, 5P lens, AF) + 2 MP mono/depth (f/2.4)
- Front: 8 MP (f/2.0) for selfie & video calls
- Video Recording: Both cameras support up to 1080p@30fps
Battery & Charging
- Battery: 5000 mAh typical (4880 mAh rated)
- Fast Charging: 33 W SUPERVOOC – quick top-ups
Connectivity & Extras
- OS: Android 12 with ColorOS 12.1
- Biometrics: Side-mounted fingerprint sensor & face unlock
- Audio: Stereo speakers (Ultra-linear) + 3.5 mm headphone jack
- Wireless & Others: Wi‑Fi 802.11 a/b/g/n/ac (dual‑band), Bluetooth 5.3 (aptX HD), NFC, GPS (GLONASS, BDS, Galileo etc.), USB‑C OTG
- Sensors: Accelerometer, proximity, light, magnetometer (no gyroscope/pedometer)
Summary
The Oppo A57s (4 GB + 128 GB) is a budget-friendly yet full-featured smartphone, offering solid performance for daily tasks, a large immersive display, capable cameras, long-lasting battery life, and convenient fast charging—wrapped up in a sleek, water‑splash‑resistant body.
Let me know if you'd like a comparison with similar phones or battery endurance tests!