I9300 how to cancel an automatic number before the phone number is entered

Symptom diagram: automatically add the area code to the front of the input number

 

 

1.In standby mode, click cell phone ].

 

 

2.Press the [menu] key and then click [call settings ].

 

 

3.Click other settings ].

 

 

4.Click "automatic region code". The gray area shows that the code is disabled.