A Windows PC with working USB drivers for MediaTek devices.

The Oppo F1S, famously dubbed the "Selfie Expert," was a massive commercial success thanks to its premium design and impressive front camera. However, its native software—ColorOS—often left power users wanting more customization and better RAM management. For users looking to completely transform their device, porting onto the Oppo F1S became one of the most popular aftermarket modifications.

While the Oppo F1s has decent mid-range 2016 specs, a custom ROM like MIUI 8 comes with trade-offs:

To install MIUI 8 on your Oppo F1s, you must follow the typical custom ROM flashing workflow:

Turn off your device. Hold Volume Down + Power Button to enter TWRP Recovery.

Flashing a custom ROM like MIUI 8 fundamentally changes how you interact with your phone. It replaces the stock ColorOS system framework with Xiaomi's optimized Android skin. Key Features of MIUI 8

The Oppo F1s , famously known as the "Selfie Expert," originally launched with ColorOS 3.0 based on Android 5.1 Lollipop. For many enthusiasts, the shift to represents an attempt to breathe new life into this aging hardware by replacing the original interface with Xiaomi’s feature-rich ecosystem. Why Install MIUI 8 on the Oppo F1s?

Allows you to run two instances of the same app (e.g., two WhatsApp accounts) simultaneously.

Check the boxes for , System , Cache , and Data . Do not check External SD Card. Swipe the slider at the bottom to confirm the wipe. Step 4: Flash the MIUI 8 ROM and GApps Return to the TWRP main menu and tap Install .

A vibrant, color-changing design language that adapts based on the weather and app environment.

While the software is pretty, it isn't perfect. If you are planning to install this today, keep these issues in mind:

However, this path is riddled with major challenges:

Press and hold the and Power buttons simultaneously until the Oppo logo appears. Release the buttons to enter the TWRP Recovery menu. Step 3: Wipe the Existing System From the TWRP main menu, tap on Wipe . Select Advanced Wipe .

Before analyzing compatibility, it's important to understand what made MIUI 8 so desirable in its era. Launched in 2016 to much acclaim, MIUI 8 was hailed as a "milestone" by Xiaomi's CEO, introducing over 40 major new features and countless optimizations.

: In TWRP, go to "Wipe" and select "Advanced Wipe." Check System, Data, and Cache (do NOT wipe internal storage if your ROM is saved there).

Installing a MIUI 8 custom ROM transforms the ColorOS interface into a highly customizable environment with features such as: