The first boot took seven minutes. Seven agonizing minutes of a spinning LineageOS logo.

: Vivo devices require an unlocked bootloader to allow third-party software installation.

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You will not find an official build of LineageOS or Pixel Experience for this device. The scene is dominated by ports and unofficial builds . The most commonly found ROMs for the Vivo 1610 are:

Table_title: vivo Y55s (2017) Table_content: header: | Misc | | row: | Misc: Colors | : Crown Gold, Rose Gold, Space Gray | row: | GSMArena.com Vivo Y55s (Matte Black, 16 GB, 3 GB RAM) Refurbished

Remember, the Snapdragon 410 is ancient. Even with the best kernel tweaks, modern apps like Facebook, TikTok, and Chrome will still be slow. A custom ROM will make the interface smooth, but it cannot perform miracles on the hardware.

This is where the Vivo 1610 custom ROM scene shows its age. Because these are often ports from similar devices (like the Redmi 4A) rather than source-built ROMs, bugs are prevalent.

Before attempting to flash a custom ROM, ensure you have the following: ROOT - vivo Smartphone FAQs | vivo Global