While dedicated builds are limited, several options have been mentioned in the community for the Nokia G300:
In 2021, an unlocked Nokia G300 could technically boot an Android 11 or Android 12 GSI (such as Phh-Treble or LineageOS GSI). nokia g300 custom rom 2021
Yes, a cleaner custom ROM (like a GSI based on LineageOS) often provides better battery life by removing heavy background processes, but it requires proper configuration. Where can I find GSIs? While dedicated builds are limited, several options have
Ideal for heavy customization, as seen in 2026 reports. While dedicated builds are limited
:
When downloading a GSI, ensure you download an ARM64 image and choose between AB (A/B partition) based on your device structure. How to Install a Custom ROM (GSI) on Nokia G300