Start by tapping \"Settings\" on the desktop of your phone.
two
Go to the Settings page and click on \"Wireless and Networking\".
three
Click \"WLAN\" to set up a wireless network, which is relatively simple without doing a demonstration.
four
Click \"Dual card Management\" to enter the dual card management setting page, and select \"Card 1 or card 2\" according to the mobile card data plan.
\"Switch default mobile data card\" appears, click \"Switch\". After a few seconds to jump prompt, click \"OK\