OPPO K9s, Used – 128GB/8GB RAM – 5G, 6.59″ 120Hz LCD Display

Design & Build

• 6.59-inch FHD+ (2412×1080) LCD display with 120Hz refresh rate, 240Hz touch sampling rate, 600 nits peak brightness, 100% DCI-P3 coverage, and 90.8% screen-to-body ratio 
• Qualcomm Snapdragon 778G octa-core processor (6nm) – 1×2.4GHz Kryo 670 Prime & 3×2.2GHz Kryo 670 Gold & 4×1.9GHz Kryo 670 Silver, Adreno 642L GPU – 5G-integrated chipset 
• 8GB LPDDR4X RAM with 128GB UFS 2.2 storage – also available in 6GB/128GB and 8GB/256GB variants – microSD expansion supported 
• Triple 64MP rear camera: 64MP main (f/1.7, 26mm, AF closed-loop motor) + 8MP ultra-wide (120° FoV) + 2MP macro – 4K@30fps, 1080P@120fps slow-mo, 20x digital zoom; 16MP front camera (f/2.0) 
• 5000mAh battery – 30W VOOC 4.0 fast charging (1% to 59% in 30 min, full in 59 min) – no wireless charging 
• Side-mounted fingerprint sensor, Face Unlock, 3.5mm headphone jack, NFC, USB-C, Wi-Fi 6, Bluetooth 5.2 with LDAC/aptX HD/LHDC 
• Flagship X-axis linear motor with 4D vibration and keyboard vibration simulation 
• Multi-dimensional composite liquid cooling (0.15mm graphite sheet, 7 materials, CPU temp drop up to 15°C) and HyperBoost game acceleration engine 
• 5G connectivity – Dual SIM (Nano-SIM + Nano-SIM) – 5G SA bands n1/n28A/n41/n78, NSA n41/n77/n78 
• ColorOS 11.2 based on Android 11 – upgrades limited; 8+5GB RAM expansion 
• 3D curved glass back with Glow – 164.4 x 75.9 x 8.52mm, 199g (Black/Silver) / 8.7mm, 202g (Purple)