HMD Global's security policy effectively prevents the custom development scene from flourishing for this specific model. If you require a phone with heavy custom ROM support, it is generally recommended to switch to brands that officially support bootloader unlocking (e.g., Google Pixel, Nothing, Xiaomi, OnePlus). Inventing The Abbotts 1997 Exclusive 📥
Since there is no academic "paper" regarding this specific consumer software modification, I have interpreted your request as a technical briefing or guide regarding the custom ROM situation for this device. Repack — Paolo Campidelli Me Gustas Tu Extended Mix