To update to Android 7.1.2, you cannot use the standard OTA update menu. You must download the following packages to a computer or an external SD card:
Reboot the system; the first boot may take up to 10–15 minutes. Official Stock Firmware (A1601)
: This is the first step to allowing unauthorized software on the device.
Look for a trusted custom ROM build (such as LineageOS 14.1 or Resurrection Remix) specifically compiled for the Oppo F1s (A1601). Ensure the source is verified, such as the XDA Developers forum. 2. Google Apps (GApps) Package
This method retains your data (but backing up is still recommended).
Copy the downloaded ROM zip and GApps zip to your SD card.
"Oppo F1s LineageOS 14.1 XDA" to find the latest community-tested builds.
Before we dive into the download links, let’s clarify why you need the official stock firmware (ROM) for the Oppo F1s:
Boot into TWRP, click Install, and flash the corresponding GApps package directly.
If you wish to downgrade:
: Custom ROMs often don't include Google Play Services by default; you must download and flash a separate GApps package (specifically for Android 7.1) to use the Play Store.
I can provide the exact commands or steps to get your phone unbricked or updated! Share public link
The ultimate resource for upgrading your device is this guide, designed to walk you through upgrading your classic device to Android Nougat 7.1.2. The Oppo F1s (A1601) originally shipped with Android 5.1 Lollipop and officially only received an upgrade up to Android 6.0 Marshmallow. Because there is no official Android 7.1.2 Nougat release from Oppo, achieving this version requires flashing a Custom ROM (such as LineageOS or a Nougat-based build).
To update to Android 7.1.2, you cannot use the standard OTA update menu. You must download the following packages to a computer or an external SD card:
Reboot the system; the first boot may take up to 10–15 minutes. Official Stock Firmware (A1601)
: This is the first step to allowing unauthorized software on the device.
Look for a trusted custom ROM build (such as LineageOS 14.1 or Resurrection Remix) specifically compiled for the Oppo F1s (A1601). Ensure the source is verified, such as the XDA Developers forum. 2. Google Apps (GApps) Package Oppo F1s Firmware Download - 7.1.2
This method retains your data (but backing up is still recommended).
Copy the downloaded ROM zip and GApps zip to your SD card.
"Oppo F1s LineageOS 14.1 XDA" to find the latest community-tested builds. To update to Android 7
Before we dive into the download links, let’s clarify why you need the official stock firmware (ROM) for the Oppo F1s:
Boot into TWRP, click Install, and flash the corresponding GApps package directly.
If you wish to downgrade:
: Custom ROMs often don't include Google Play Services by default; you must download and flash a separate GApps package (specifically for Android 7.1) to use the Play Store.
I can provide the exact commands or steps to get your phone unbricked or updated! Share public link
The ultimate resource for upgrading your device is this guide, designed to walk you through upgrading your classic device to Android Nougat 7.1.2. The Oppo F1s (A1601) originally shipped with Android 5.1 Lollipop and officially only received an upgrade up to Android 6.0 Marshmallow. Because there is no official Android 7.1.2 Nougat release from Oppo, achieving this version requires flashing a Custom ROM (such as LineageOS or a Nougat-based build). Look for a trusted custom ROM build (such as LineageOS 14