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Browse and select the you downloaded earlier.

If you want the Google Play Store and other Google services, you must flash a GApps package immediately after installing the ROM, rebooting the system. For Android 10, use a very lightweight package like Open GApps (Pico or Nano) for ARM devices. Boot back into TWRP and install the GApps ZIP file the same way you installed the ROM.

Navigation Tip: Go to XDA Developers, search for the "Samsung Galaxy S III I9300" forum, and look under the "ROMs, Kernels, & Recoveries" section for the LineageOS 17.1 or relevant Android 10 development thread to grab the latest build link. 3. OpenGApps (Google Apps Pack)

In the TWRP main menu, tap on , then select Advanced Wipe .

Once you have all these prerequisites ready, you're set to bring a modern Android experience to your classic Galaxy S3.

The /e/OS offers a clean interface, its own app store (App Lounge), and integrated online services like email and cloud storage, all while respecting your privacy. The installation instructions for this build are also detailed in the source's XDA thread.

Now that your device is prepared, it's time to install a custom ROM with Android 10. Here is a step-by-step guide:

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Samsung S3 Custom Rom Android 10 Link Jun 2026

Browse and select the you downloaded earlier.

If you want the Google Play Store and other Google services, you must flash a GApps package immediately after installing the ROM, rebooting the system. For Android 10, use a very lightweight package like Open GApps (Pico or Nano) for ARM devices. Boot back into TWRP and install the GApps ZIP file the same way you installed the ROM. samsung s3 custom rom android 10 link

Navigation Tip: Go to XDA Developers, search for the "Samsung Galaxy S III I9300" forum, and look under the "ROMs, Kernels, & Recoveries" section for the LineageOS 17.1 or relevant Android 10 development thread to grab the latest build link. 3. OpenGApps (Google Apps Pack) Browse and select the you downloaded earlier

In the TWRP main menu, tap on , then select Advanced Wipe . Boot back into TWRP and install the GApps

Once you have all these prerequisites ready, you're set to bring a modern Android experience to your classic Galaxy S3.

The /e/OS offers a clean interface, its own app store (App Lounge), and integrated online services like email and cloud storage, all while respecting your privacy. The installation instructions for this build are also detailed in the source's XDA thread.

Now that your device is prepared, it's time to install a custom ROM with Android 10. Here is a step-by-step guide: