The , also known as the "Selfie Expert," primarily runs on Android 5.1 Lollipop with the ColorOS 3.0 skin. While officially upgradable to Android 6.0 Marshmallow , it does not receive official support for Android 7.0 or newer. Firmware Specifications & Versions
Here’s an interesting, lesser-known story about the firmware that became a quiet legend among budget phone tinkerers in Southeast Asia and India around 2016–2018.
, was launched as a powerhouse "Selfie Expert" device. Despite being an older model—originally running Android 5.1 (Lollipop) and officially upgrading to Android 6.0 (Marshmallow) with ColorOS 3—it remains popular in the repair and custom ROM community.
Do not use firmware for Oppo F1 (not 's') or Oppo F1s (A1603 – different modem). Ensure the file name or source explicitly says . firmware oppo f1s a1601
Accessible via Optus Device Help by navigating to Settings > System Updates .
Most regions peaked at Android 6.0 Marshmallow . No official updates to Android 7.0 or higher exist.
This is the safest and easiest method. It is ideal if your phone can still boot into Recovery Mode. This method does not require a computer. Step-by-Step Instructions: The , also known as the "Selfie Expert,"
A green checkmark window labeled will pop up on the screen indicating success.
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Install OPPO USB Drivers or MTK MediaTek USB Drivers on your PC. Download Firmware: Obtain the official stock firmware (scatter file) for Go to product viewer dialog for this item. , was launched as a powerhouse "Selfie Expert" device
He proved that while hardware ages, with the right firmware and a caretaker’s patience, a legacy can endure.
The tool will recognize the device and start the flashing process (indicated by a yellow bar).