Some early versions had MediaTek MT6761 — those might support bootloader unlock and custom ROMs.
If available for your specific variant, these are the best choices ranked by stability:
Note: You will likely need to pay a service for this. custom rom for huawei y5 2019 top
Once your custom ROM is running, optimize it:
In TWRP:
If you care about privacy, ROMs like /e/OS or LineageOS for microG allow you to use the phone without Google Play Services, drastically improving battery life.
If you want Google services:
Report Date: 2024-2025 Review Device Codename: TOP (specifically TOP-LX1, TOP-LX2, TOP-LX3) SoC: MediaTek MT6761 (Helio A22) Status: Unlocked Bootloader Unavailable – Development Stalled