Logging in to two social media accounts at the same time
Log in to two Whatsapp or Facebook accounts at the same time to keep your work and personal life separate.
This feature only works with Facebook and WhatsApp.
1. Open 
2. Touch App twin. Turn on the Facebook or WhatsApp switches as desired.
– When App twin is enabled for an app, two app icons will appear on the home screen, allowing you log in to two accounts at the same time.
– Press and hold the App twin icon to disable the feature.
Questions about your Huawei Mate 10? Post in the comments!
Huawei Mate 10 Manual [PDF]