For those who want an absolute speed demon and don't mind staying on Android Lollipop (5.1), the unofficial CM 12.1 builds are legendarily fast on this device. The grandfather of LineageOS. Barebones and wicked fast. Why it’s top tier:
However, if you have successfully unlocked your bootloader, there are excellent options available based on the Generic System Image (GSI) project or device-specific ports. vivo y51 custom rom top
To flash ROMs like LineageOS, you typically need to install a custom recovery like Warranty and Safety: Modifying your device will void your warranty For those who want an absolute speed demon
Once you have unlocked your bootloader and installed TWRP, follow these steps to install your new ROM: Download the ROM: vivo y51 custom rom top
