Nova 5t Custom Rom Link -

Since you likely cannot change the ROM, you can still improve the performance of your stock EMUI software: Clear System Cache : Boot into recovery mode by holding Power + Volume Up while the phone is off, then select "Wipe cache partition" Factory Reset : A fresh start can resolve lag. Use the "Wipe data/factory reset" option in the same recovery menu. Manage Storage

The Huawei Nova 5T remains a "cult classic" due to its Kirin 980 flagship processor and slim design Nova 5t Custom Rom

If your bootloader is , do not buy unlock codes from random websites (most are scams now). Huawei has permanently closed the unlocking service. Consider sticking with EMUI or upgrading to a more developer-friendly phone (Pixel, OnePlus, Xiaomi). Since you likely cannot change the ROM, you

Installing a custom ROM on the Huawei Nova 5T (YAL-L21) is significantly more complex than on other Android devices because Huawei stopped providing official bootloader unlock codes in 2018. 1. The Bootloader Hurdle (Crucial Step) Huawei has permanently closed the unlocking service

A 2025 XDA forum test reported: