- Rilis: Desember 2019
- Layar: AMOLED 6.59 inches, 106.6 cm2 (~80.3% screen-to-body ratio)
- Chipset: Qualcomm SM8150 Snapdragon 855+ (7 nm)
- CPU: Octa-core (1×2.96 GHz Kryo 485 & 3×2.42 GHz Kryo 485 & 4×1.78 GHz Kryo 485)
- GPU: Adreno 640
- RAM: 8 GB, 12 GB RAM
- Memori Internal: 128 GB, 256 GB, 512 GB, 1 TB ROM
- Memori Eksternal: –
- Kamera Belakang: 48 MP, f/1.8, 26mm (wide), 1/2.0″, 0.8µm, PDAF, Laser AF
13 MP, f/2.4, 11mm (ultrawide) - Kamera Depan: 24MP, f/2.2, 0.9µm
- Baterai: Non-removable Li-Po 6000 mAh battery
ZS660KL/I001 (ROG Phone II)
CSC_ZS660KL_16.0501.1903.41_M1.9.23.raw-132106784780403407
WW_ZS660KL_16.0620.1906.31_M3.13.33.10-ASUS_1.1.38_Phone-user.raw-132108840727843216
WW_ZS660KL_16.0622.1906.19_M3.13.33.20-ASUS_1.1.93_Phone-user.raw-132104520048390090
WW_ZS660KL_16.0622.1907.33_M3.13.33.26-ASUS_1.1.134_Phone-user.raw-132125256231092388
WW_ZS660KL_16.0631.1908.12_M3.13.33.28-ASUS_1.1.3_Phone-user.raw-132140808703646936
WW_ZS660KL_16.0631.1908.21_M3.13.33.29-ASUS_1.1.3_Phone-user.raw-132161544932199025
WW_ZS660KL_16.0631.1910.35_M3.13.33.30-ASUS_1.1.207_Phone-user.raw-132175368025475545
WW_ZS660KL_16.0631.1910.44_M3.13.33.31-ASUS_1.1.227_Phone-user.raw-132188328022293990
WW_ZS660KL_16.0631.1910.64_M3.13.33.33-ASUS_1.1.253_Phone-user.raw-132212520031318541
for other complete firmware please visit Firmware Asus Official Collections