I have problems sending and receiving picture messages on my Xiaomi Mi Mix 3

Press Settings.

Press SIM cards & mobile networks.

Press the required SIM.

Press Access Point Names.

Press New APN.

Press Name.

O2 UK MMS

O2 UK MMS

Key in O2 UK MMS and press OK.

Press APN.

wap.o2.co.uk

wap.o2.co.uk

Key in wap.o2.co.uk and press OK.

Press Username.

o2wap

o2wap

Key in o2wap and press OK.

Press Password.

password

password

Key in password and press OK.

Press MMSC.

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

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

Key in http://mmsc.mms.o2.co.uk:8002 and press OK.

Press MMS proxy.

82.132.254.1

82.132.254.1

Key in 82.132.254.1 and press OK.

Press MMS port.

8080

8080

Key in 8080 and press OK.

Press MCC.

234

234

Key in 234 and press OK.

Press MNC.

10

10

Key in 10 and press OK.

Press Authentication type.

Press PAP.

Press APN type.

mms

mms

Key in mms and press OK.

Press More.

Press Save.

Press the Home key to return to the home screen.

Press the message icon.

Press the new message icon.

Press the field next to 'To' and key in the first letters of the recipient's name.

Press the required contact.

Press the SIM drop down list.

Press the required SIM.

Press the text input field and write the text for your picture message.

Press the add icon.

Press Pictures and go to the required folder.

Press the required picture.

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 Home key to return to the home screen.

Press Settings.

Press SIM cards & mobile networks.

Press Data roaming.

Press Data roaming.

Press the required setting to turn the function on or off.

Press the Home key to return to the home screen.