If you are reading this, you likely own a Vivo 1610 and have grown tired of the aging Funtouch OS based on Android 6.0 Marshmallow. Released around 2016-2017, this device was an entry-level contender with modest specs: a Snapdragon 425 processor, 2GB of RAM, and 16GB of internal storage.
A: Download the official PD1510F_EX stock ROM (QFIL or OTA package) and flash it using QPST or the stock recovery.
and place it directly into your computer's ADB & Fastboot folder. Flash the Recovery: