Release Date
2019
OS
Android 9.0 (Pie), ROG UI
Processor
Qualcomm SM8150 Snapdragon 855+ (7 nm)
Battery
6000 mAh
⚠️ Important Notice
Flashing firmware can be risky. Follow instructions carefully and backup your data before proceeding. We are not responsible for any damage to your device.
Available Firmware Files
| File Name | Size | Download |
|---|---|---|
|
Asus_Rog_Phone_II_ZS660KL_WW_ZS660KL_17.0240.2103.75_M3.23.44.19-ASUS_1.1.229_AFT.zip
|
2.75 GB | |
|
Asus_Rog_Phone_II_ZS660KL_MR2.2_WW_ZS660KL_16.0631.1910.64_M3.13.33.33-ASUS_1.1.253_Phone_AFT.zip
|
2.65 GB | |
|
Asus_Rog_Phone_II_ZS660KL_16.0501.1903.41_M1.9.23_Raw_Lock_AFT.zip
|
1.20 GB |
How to Flash Stock ROM
- Download the correct ROM file for your device
- Install the required flash tool
- Enable USB debugging on your device
- Boot your device into download mode
- Connect your device to computer via USB
- Load the ROM file in the flash tool and start flashing
- Wait for the process to complete
- Reboot your device
Precautions
- Backup all important data before flashing
- Ensure battery is at least 50% charged
- Use original USB cable for stable connection
- Don't disconnect during flashing process
- Download ROM only for your specific model
- Follow manufacturer's instructions carefully