我是按照这个程序指导一步一步操作的 Set up Internet - Samsung Galaxy A71
1 Before you start
This guide will show you how to set up Internet on your phone either by resetting your phone to default Internet settings or by setting up the network manually.
2 Swipe up
3 Select Settings
4 Select Connections
5 Select Mobile networks
6 Select Access Point Names
7 Select the Menu button
8 Select Reset to default
9 Select Reset
Your phone will reset to default Internet and MMS settings. Network problems should be solved at this point. Remember to turn off your Wi-Fi before testing. Please continue the guide if you still cannot go online.
10 Select Add
11 Enter Internet information
12 Scroll down and enter Internet information
Note: Only the values that are highlighted in yellow should be changed.
13 Select the Menu button
14 Select Save
15 Select the Internet access point
Your phone has now been set up to Internet.