Nokia G300 Custom ROM (2021): Everything You Need to Know The , released in late 2021, captured market attention as one of the most affordable 5G smartphones on the market. Built with a budget-friendly Qualcomm Snapdragon 480 5G processor, 4GB of RAM, and 64GB of expandable storage , it shipped out-of-the-box with a clean version of Android 11 . However, as the device aged past its official software support window, many tech enthusiasts looked toward custom ROMs to keep the phone snappy, modern, and free from performance degradation .

Released in late 2021, the Nokia G300 arrived as an affordable entry-level 5G smartphone. Striking a balance between budget constraints and modern connectivity, it quickly became a popular choice for users looking for cheap 5G access. However, for Android enthusiasts and power users, the hardware is only half the story. The true potential of any Android device often lies in its development community—specifically, the availability of custom ROMs.

Before proceeding, it's critical to understand that unlocking the bootloader:

As of early 2026, there are no widespread, dedicated custom ROMs (like a specific LineageOS build) for the Nokia G300

If you are looking to refresh your experience or improve performance since the device is no longer receiving major updates: Universal Android Debloater

: The most viable option was to use the "phhusson" Treble GSI, which a developer had tested on the G300. Their guide showed that with the correct firmware and a specific set of commands, you could get a generic Android 14 GSI running, though the functionality of key hardware (like the camera or 5G) was uncertain and not guaranteed.

For the few who managed to bypass the bootloader restrictions, the avenue to a custom ROM wasn't a dedicated, device-specific build. Instead, it was through Project Treble.

(As mentioned, almost impossible at launch).

in the settings and toggle "Window animation scale" to .5x to make transitions feel snappier.

, launched in late 2021, arrived as an affordable 5G option featuring a Snapdragon 480 5G chipset, a 6.5-inch display, and a decent battery. While it runs stock Android out of the box, many users seek custom ROMs to remove bloatware, improve performance, or gain the latest Android updates. However, for the Nokia G300 Go to product viewer dialog for this item.

If you are determined to modify your device, here are the limited paths available:

: Ported versions that mimic Pixel-exclusive features, wallpapers, and fonts on third-party hardware. How to Flash a GSI onto the Nokia G300 (Overview)

Using apps like Lawnchair or Nova Launcher to customize the UI appearance.