Firmware Oppo F1s A1601 -

Use this if your phone can enter Recovery Mode but is stuck in a boot loop.

Prerequisites:

Steps:

Select the update.zip file.

Confirm the installation. The process takes 5-10 minutes.

After completion, select Wipe data and cache (clean install recommended) then Reboot.

Result: Your Oppo F1s should be on the new firmware. firmware oppo f1s a1601

If your phone is completely dead (no vibration, no display, or stuck on a black screen), you need the MediaTek SP Flash Tool. Since the A1601 uses the MT6755 chip, this is the only tool for deep-level unbricking.

Warning: This will wipe everything permanently. Proceed with caution.

What You Need:

Step-by-Step Unbrick:

Start Flashing: Click the Download arrow in SP Flash Tool. A yellow progress bar appears.

Wait: The process finishes with a green checkmark “Download OK”.

Disconnect & Reboot: Remove the USB cable, re-insert battery, and press power.

---

In simple terms, the firmware (also called Stock ROM or Flash File) is the operating system that runs your Oppo F1s. It’s the low-level software that controls the hardware, including the camera, processor, and display.

For the Oppo F1s A1601, there are two main types of firmware: Use this if your phone can enter Recovery

This article focuses solely on official Oppo firmware for the A1601 variant.

No. Oppo stopped official updates at Android 6.0/7.1 (depending on region). Any claim of official Android 9+ for A1601 is false. To get higher Android, you must root and install a custom ROM (not recommended for beginners).

| Model | Oppo F1s (A1601) | |-------------|------------------------------------------| | OS Version | ColorOS 3.0 (upgradeable to 3.1) | | Android | Android 5.1 (Lollipop) / 6.0 (Marshmallow) | | Firmware type | Stock ROM (Full OTA / Recovery / SP Flash Tool) | | File format | .ozip (official) or .zip (for recovery) | Steps:

⚠️ Warning: Always use firmware specifically for A1601. Do not mix with A1603 (different region/model).