SMS sent via the Short Message Service Center. Martin_Berk / Pixelio
The iPhone 4 must be properly configured
Unlike services like iMessage classic SMS are sent via a Short Message Service Center. Although iOS You see almost all of the settings in the various menus, there is nowhere an indication of the selected message center.
This special number must be set properly for you ever to send SMS messages with your iPhone. 4 Normally, your iPhone 4 should bring these settings automatically from your network operator during the initial start of your SIM. But if you can not send SMS, the fault is definitely on a nonexistent or wrong number sequence.
You can not directly visible to the set number of the message center. But there is a special code that allows you this can display on the screen of your iPhone itself. Before you start with the inspection, you should get the correct setting of your network operator. These can be found either in your contract documents or through the website of your wireless service provider.
So your iPhone 4 again sends SMS
- Skip to numeric keypad. Tap the phone icon and select the menu item "numeric keypad" out.
Open the keypad. Jana Kaszyda
- Enter the code Enter the following code on your iPhone 4 keyboard:. * # 5005 * 7672 # and then tap the green handset.
Enter the code. Jana Kaszyda
- Show number. The selected number of the message center will now be shown on the display. Does not this the sequence of numbers from your mobile service provider, the SMS can not be done.
The current setting can be seen on the display. Jana Kaszyda
- Change setting. To change the setting, first enter the above code to "2" and complete it by the numbers of the message center "+49 ...". After the last number you complete the entry with a "#" and press the handset symbol. Now appears on your display a confirmation feedback and allows you to send SMS again.
Fill in the correct number and press #. Jana Kaszyda
Should happen that your iPhone 4 is not sending SMS it once, the approach to the problem is simple. With the right number of the message center and the code above your iPhone should send messages properly again after only a few minutes.