) for custom ROM work is a challenge because Vivo is notorious for keeping its bootloaders locked . Historically, this model has very limited community support compared to other brands like Xiaomi or OnePlus. The Vivo Y55s (1610) is an entry-level device released around 2017. Processor: Qualcomm Snapdragon 425. RAM/Storage: 3GB RAM and 16GB internal storage. Stock OS: Android 6.0.1 Marshmallow. Custom ROM Status and "Workability"
You risk losing camera functionality, banking app support (due to SafetyNet/Play Integrity failures), and the high possibility of a permanent "brick" during the complex unlocking process.
Always perform a full backup, as flashing can permanently brick your device.
1.0 Last Updated: 2025 Author: Community-developed research (compiled for educational use)
If you find a compatible ROM, you must complete several high-risk steps first. These procedures often void warranties and can permanently "brick" the phone if done incorrectly. How to Unlock Vivo Bootloader | Unlock Bootloader Vivo