As of early 2026, there are no widespread, dedicated custom ROMs (like a specific LineageOS build) for the Nokia G300
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If you are determined to modify your device, here are the limited paths available:
, 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. nokia g300 custom rom 2021
: The G300 was primarily a US-exclusive budget device for carriers like TracFone and Straight Talk. Carrier-branded phones are notoriously more difficult to "crack" than global, unlocked variants. Snapdragon 480 Chipset
Verdict (short)
For the average user, the phone was best left as is. Its clean, near-stock Android 11 was a positive feature and, for 2021, offered a secure and reliable experience that dodged the perils of the custom firmware scene. As of early 2026, there are no widespread,
Since the device launched with Android 11, it supports Project Treble , meaning it is theoretically compatible with Generic System Images (GSIs). However, without an unlocked bootloader, these cannot be flashed. Nokia G300 Core Specifications (2021) Release Date October 19, 2021 Operating System Android 11 (Near-stock) Processor Qualcomm Snapdragon 480 5G RAM / Storage 4GB RAM / 64GB Internal Alternative Options If you are looking to customize your Nokia G300 , your options are limited to software-level changes:
For a step-by-step demonstration of the general custom ROM installation process on compatible devices: 07:15
Since a full ROM is likely out of reach, most users "specialize" their Nokia G300 debloating it to improve performance: Universal Android Debloater: Use a tool like the Universal Android Debloater : The G300 was primarily a US-exclusive budget
: Create a full backup of your data, as this process will wipe your device
Marco spent 48 hours reading. He set up a Linux virtual machine. He downloaded fastboot and a patched version of Nokia_Unlocker_v2.py .
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