I have problems sending and receiving picture messages on my Apple iPhone 12 Pro Max

Press Settings.

Press Mobile Service.

Press Mobile Data Network.

wap.o2.co.uk

wap.o2.co.uk

Press APN and key in wap.o2.co.uk.

o2wap

o2wap

Press Username and key in o2wap.

password

password

Press Password and key in password.

http://mmsc.mms.o2.co.uk:8002

http://mmsc.mms.o2.co.uk:8002

Press MMSC and key in http://mmsc.mms.o2.co.uk:8002.

82.132.254.1:8080

82.132.254.1:8080

Press MMS Proxy and key in 82.132.254.1:8080.

Press arrow left.

Slide your finger upwards starting from the bottom of the screen to return to the home screen.

Press Settings.

Press Apps.

Press Messages.

Press the indicator next to 'MMS Messaging' to turn on the function.

Slide your finger upwards starting from the bottom of the screen to return to the home screen.

Press Settings.

Press Mobile Service.

Press the indicator next to 'Mobile Data' to turn the function on or off.

Press the indicators next to the required applications to turn the function on or off.

Slide your finger upwards starting from the bottom of the screen to return to the home screen.

Press Settings.

Press Mobile Service.

Press Mobile Data Options.

Press the indicator next to 'Data Roaming' to turn the function on or off.

Slide your finger upwards starting from the bottom of the screen to return to the home screen.