My 4s. The system is ios9.3.2. I have 3g on. Data on. Turn on roaming. But there is no internet. But the phone can send text messages,

Let’s try it

Generally speaking, there are many reasons why Iphone cannot access the Internet, but there are two specific aspects, namely, the SIM card cannot access the Internet and the WIFI cannot access the Internet. Let’s take a look at it in detail

1 SIM cannot access the Internet

If you are a mobile user: first make sure your mobile phone card has activated the Internet service. If not, please activate it. If it has been activated, Corresponding settings are required. The specific settings are as follows:

Open your phone and find Settings - General - Network - Cellular Data Network

Enter this menu

Change the APN Enter cmnet

Change the username to username

Change the password to password

Return directly to the desktop and open the browser

If you are a China Unicom user : China Unicom mobile phone users can dial 10011 or go to the China Unicom business hall to activate the GPRS mobile Internet function (there are various GPRS Internet package options), and set it up on the mobile phone after activation. The specific settings are as follows:

Settings - General - Network - Cellular Data Network

Enter this menu

Change APN to uninet

Change the username to username

Change the password to password

Return directly to the Internet

Return directly to the desktop and open the browser