Nokia 3310 Free MMS

To activate MMS go to Settings Connectivity Dual SIM Mobile Data Access Points and select the SIM.
Select Options Add

Enter Name: Free MMS
Access Point Name: mmsfree
Username:
Password:
Authentication Type: Normal
Address type: IPv4

Select Advanced Settings
Homepage: http://mms.free.fr
Proxy address:
Proxy port:

Save the settings.
Go to Main Menu and select Messaging.
Select Options Message settings MMS Access Point
Select SIM and choose Free MMS