Wipe Data: In TWRP, you'll likely need to perform a factory reset (or wipe data) before installing a custom ROM. Be sure you've backed up your data.
Avoid sketchy sites like “romprovider.com” or “customrom.net.” Stick to trusted sources: vivo 1801 custom rom full
It wasn't perfect. It wasn't an official update. But it was full. It was a clean break from the bloated corpse of Funtouch OS. Preparation