Vivo Y1s: Custom Rom

Before diving into the technical steps, it is important to understand the benefits of replacing your stock operating system:

Press and hold the buttons simultaneously until the Fastboot screen appears.

The GSI ROM image of your choice (ensure it is the variant). vivo y1s custom rom

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💡 : Visit the Vivo Y1s Discussion on 4PDA for community-made scripts and specific MTK bypass files. Before diving into the technical steps, it is

If the GSI feels slow, try a lighter ROM like LineageOS.

Connect your phone to the PC while still in TWRP and transfer the Custom ROM zip file (and GApps zip if your ROM does not include Google apps) to the internal storage or SD card. In TWRP, tap . Navigate to and select the Custom ROM zip file. Swipe to confirm the flash. If the GSI feels slow, try a lighter ROM like LineageOS

Allow the command prompt to finish sending and writing the data block. This process may take a few minutes. Step 5: Wipe Cache and Reboot