The was released as an entry-level budget smartphone. While its hardware design is decent for the price, the software experience—typically Funtouch OS based on older Android versions—often leaves power users wanting more. Bloatware, sluggish animations, and the lack of modern Android security updates are common complaints.
Official manufacturer OTA rollouts for the device concluded around early 2023. Third-party modifications allow you to experience modern Android capabilities. Technical Specifications: Know Your Hardware vivo y1s custom rom
Flashing can sometimes corrupt the NVRAM partition containing your cellular network data. Always ensure you have a backup of your stock firmware so you can restore the nvram.img and nvdata.img files using SP Flash Tool if your network stops working. The was released as an entry-level budget smartphone
Incorrect steps, corrupted files, or flashing the wrong image can render your phone unusable (bricked). Official manufacturer OTA rollouts for the device concluded
Before any ROM can be flashed, the must be unlocked. Vivo does not provide official unlock codes.
If you own a Vivo Y1S and want a custom ROM, your realistic options are:
: Many users find themselves needing to perform a hard reset when a flash goes wrong, using the device's Fastboot mode to recover.