How to Switch SIM Card Preferences on OPPO A77?

In this tutorial video, we will guide you on how to switch SIM card preferences on your OPPO A77 smartphone. If you have a dual SIM card setup or multiple SIM cards inserted in your device, you may want to manage your SIM card preferences, such as selecting the default SIM for making calls, sending messages, or accessing mobile data. We will show you how to navigate the settings and customize your SIM card preferences according to your needs. Check our website: https://www.hardreset.info/devices/oppo/oppo-a77/tutorials/ How to set the default SIM card for calls on OPPO A77? How to change the default SIM card for messaging on OPPO A77? How to select the preferred SIM card for mobile data on OPPO A77? #oppoa77 #oppo #androidphone Follow us on Instagram ► https://www.instagram.com/hardreset.info Like us on Facebook ► https://www.facebook.com/hardresetinfo/ Tweet us on Twitter ► https://twitter.com/HardResetI Support us on TikTok ► https://www.tiktok.com/@hardreset.info Use Reset Guides for many popular Apps ► https://www.hardreset.info/apps/apps/