The telecom card can't get online, but you can call and send text messages. There is always an error when searching the network. What's going on? What should I do?

Confirm that the mobile phone network is open, remember to handle the mobile phone traffic package, and press.

*#*#4636#*#*

enter

cell phone information

Select internal

Code Division Multiple Access (code division multiple access)

If not, you can call 10000 to consult the telecom customer service. Usually I tell you to get a test card for the business hall. If it's not the card, it's your mobile phone.