Change Mobile Data in Android

How to Change Mobile Data from SIM 1 to SIM 2 in Android Devices: This video will help you to switch data service network from sim 1 to sim 2 in your android phone. Dual SIM data management is different in different android phones. This setting is common in some smartphones.

Note: This is IQOO mobile phone, sub brand of Vivo.

Common settings for some smartphones:
How to select SIM for Data Usage in Samsung Galaxy
1. Open Settings app
2. Tap Connections
3. Tap on Sim card manager
4. Tap Mobile data to change