Firmware Oppo F1s A1601 〈Direct ✦〉

For advanced users, the Oppo F1s A1601 offers several community‑driven customization options:

For a step-by-step visual demonstration of the flashing process: How To Flash Oppo F1S (A1601) Work YouTube• Oct 17, 2017

: For those interested in going beyond stock firmware, there are resources for building AOSP ROMs for Oppo MediaTek devices, including the F1s, available on GitHub repositories.

(Some OPPO firmware packages require a specific cracked DownloadTool to bypass the security check). Step-by-Step Instructions:

Power off the device and connect it to the PC while holding the or Volume Up button to trigger detection.

Flashing firmware can permanently brick your device if done incorrectly. Prepare your workstation using this checklist:

I can then provide direct links to the official source or guide you through extracting the complete text from the firmware's build properties.

Flashing a device carries inherent risks. Complete this checklist before proceeding:

No – flashing stock ROM does not unlock the bootloader. You need a separate process for that.

For users who understand technical risks, installing a Custom ROM is the only way to extend the life of the Oppo F1s.

If your SIM card isn't detected after flashing, you may need to restore your IMEI using tools like MauiMETA.

| Version | Android | Security Patch | Region | | :--- | :--- | :--- | :--- | | A1601EX_11_A.30_191203 | 5.1 | December 2019 | India/Global | | A1601_11_191024 | 5.1 | October 2019 | SEA/Indonesia | | CPH1609EX_11_A.17_180803 | 6.0 | August 2018 | Australia/Europe |