Huawei P40 Pro
Setting up your phone for text messaging
A text message is a message that can be sent to other mobile phones. Your phone can send and receive text messages as soon as you've inserted your SIM. If this isn't the case, you can set up your phone for text messaging manually.
Press the message icon.
Press the menu icon.
Press Settings.
Press Advanced.
Press SMS centre number.
Press arrow right.
Key in +447958879879 and press OK.
Slide your finger upwards starting from the bottom of the screen to return to the home screen.