| Issue | Solution | |--------|-----------| | | Reboot to TWRP, wipe Cache/Dalvik. If persists, clean flash (wipe data). | | Fingerprint not working | Flash persist.img backup (if you saved it) or use a ROM with FOD patches. | | IMEI lost / No network | Restore EFS backup from TWRP. Always backup EFS before flashing. | | Slow charging | Install a custom kernel like StormBreaker or No Gravity Kernel for Y51. | | Camera crash | Use GCam (Google Camera) mod instead of stock camera app. |
(specifically the 2015/2020 versions) can be tricky because Vivo devices often have that are difficult to bypass. However, the community has developed several workarounds for older models like the Go to product viewer dialog for this item. vivo y51 custom rom upd