Why does the information sent by Samsung mobile phone always turn into MMS, and it will fail to be sent?

Samsung mobile phone always turns into MMS when sending messages. The solution to the fault is as follows:

First, open GPRS service: before using MMS function, mobile phone calling cards need to open GPRS internet service. You can contact your local network operator to open GPRS Internet service.

Second, open the mobile data;

1. Under the standby page, slide down the curtain at the top of the screen.

2. Click on the mobile data to turn it into a green representative.

Third, reset the MMS parameters:

1. Under the standby page, click the application icon.

2. Click Settings.

3. Click on more networks in the connection.

4. Click on the mobile network. ?

5. Click the name of the access point.

6。 Click the menu button in the lower left corner of the phone, and then select Reset to Default.

Four. Other information:

If S4 still cannot send and receive MMS after resetting MMS parameters, you can try to create a new APN. The specific operation method is as follows:

1. On the standby page, go to Application-Settings-More Networks-Mobile Networks-Access Point Name-Press the menu key at the bottom left-New APN；;

2. Enter the following information:

Name: fill in at will.

APN:cmwap (Mobile Card) /uniwap (Unicom Card) /3gwap(3G Card)

Agent: 10.0.0. 172

Port: 80

(Others need not be set)

3. Press the menu button in the lower left corner, and then click Save.

Note: If the above operation does not solve the problem, please try to change another calling card, or try again at another time or in a network environment.

Tip: The existing screenshot version is Android 4.2.2. In view of the later system upgrade, the menu options may be slightly adjusted. The specific operation is subject to the actual display of your mobile phone menu.