Rivo W619 Flash file (Pac file)
Rivo W619 is low range android phone, running kitkat 4.4.2. flash file for this model is not available on internet. So i have read it from phone and sharing it with you.
Download Link: Click to Start Download
File Format : Pac File
This phone contains SPD8810 chip, you can flash it with any tool that support SPD 8810 flashing.