Users typically seek out custom ROMs for several reasons:

The story of the and the world of custom ROMs is one of a budget-friendly device trying to find a second life beyond its original software.

: There is no official "one-click" method from Vivo. Some third-party tools like UnlockTool have been reported to work on its MediaTek MT6765 chipset , but these are not for beginners.

If sensors (auto-rotation, proximity) fail, you may need a GSI Fixer Patch specific to the Helio P35 chipset.

: Incorrectly flashing software can permanently damage your phone. 🛠️ Development & Porting Status

No. As of now, pursuing a is a quest with no treasure at the end, only traps. While Project Treble offers a theoretical path via GSIs, it remains theoretical due to the immovable object that is Vivo's locked bootloader.

As one of the oldest and most trusted open-source custom ROM projects, LineageOS focuses on performance, security, and stability. It strips away all unnecessary clutter, making it an excellent choice for a low-RAM device like the Y1s. 3. ArrowOS

Lightweight systems use fewer system resources.