If you are moving from the stock ColorOS to MIUI 8, the difference is night and day. Here is what you can expect:

, as the Oppo F1s never officially received MIUI from the manufacturer. Instead, it exists as a Custom ROM

Before attempting to flash MIUI 8, your device must meet these requirements:

The Oppo F1s uses a processor, while most MIUI phones use Qualcomm Snapdragon. Porting MIUI from Qualcomm to MediaTek is notoriously difficult due to:

Miui 8 Oppo F1s Site

If you are moving from the stock ColorOS to MIUI 8, the difference is night and day. Here is what you can expect:

, as the Oppo F1s never officially received MIUI from the manufacturer. Instead, it exists as a Custom ROM

Before attempting to flash MIUI 8, your device must meet these requirements:

The Oppo F1s uses a processor, while most MIUI phones use Qualcomm Snapdragon. Porting MIUI from Qualcomm to MediaTek is notoriously difficult due to: