I have problems sending and receiving picture messages on my Huawei P20
If you can't send and receive picture messages, there may be several causes of the problem.
Press Settings.
Press Wireless & networks.
Press Mobile network.
Press Access Point Name.
Press the menu icon.
Press New APN.
Press Name.
Key in O2 UK MMS and press OK.
Press APN.
Key in wap.o2.co.uk and press OK.
Press Username.
Key in o2wap and press OK.
Press Password.
Key in password and press OK.
Press MMSC.
Key in http://mmsc.mms.o2.co.uk:8002 and press OK.
Press MMS proxy.
Key in 82.132.254.1 and press OK.
Press MMS port.
Key in 8080 and press OK.
Press MCC.
Key in 234 and press OK.
Press MNC.
Key in 10 and press OK.
Press Authentication type.
Press PAP.
Press APN type.
Key in mms and press OK.
Press the confirm icon.
Press the Home key to return to the home screen.
Press the message icon.
Press the new message icon.
Press To and key in the first letters of the recipient's name.
Press the required contact.
Press the text input field and write the text for your picture message.
Press the attachment icon.
Press the gallery icon.
Press Gallery.
Slide your finger right starting from the left side of the screen.
Press Images and go to the required folder.
Press the required picture or video clip.
Press the send icon when you've finished your picture message.
Press the Home key to return to the home screen.
Slide two fingers downwards starting from the top of the screen.
Press Mobile data to turn the function on or off.
Press the settings icon.
Press Wireless & networks.
Press Mobile data.
Press Networked apps.
Press the field next to the application name in the 'Mobile data' column to turn the function on or off.
Press the Home key to return to the home screen.
Press Settings.
Press Wireless & networks.
Press Mobile network.
Press the indicator next to 'Data roaming' to turn the function on or off.
If you turn on the function, press OK.
Press the Home key to return to the home screen.
Try sending a picture message to another number.