How to Unlock Bootloader on Allview V4 Viper Pro

Disclaimer: This guide is provided for informational purposes only. WhatMyDevice is not responsible for any damage, data loss, or voided warranties resulting from following these instructions. Proceed entirely at your own risk. Always verify instructions against your device's official documentation.
Allview V4 Viper Pro

Allview V4 Viper Pro

OS: Android 9.0 (Pie)
Screen: 6.8 inches, 115.4 cm2
Resolution: 640 x 1352 pixels, 19:9 ratio (~220 ppi density)
Battery: 3500 mAh
Storage: 32GB
Chipset: Mediatek MT6739 (28 nm)
No unlock instructions available for this device yet.