mms

[LeeJ1]

Galaxy J7 Prime not downloading mms messages.

[jhhead]

My wife has a Pixel 4a and it worked properly for RCS however any iPhone MMS or group messages would not download for the past couple weeks. 

Tried all the troubleshooting and savings settings many times.

I JUST got it to work and it was such a simple change.... 

APN protocol changed to IPv4 (when it was set for IPv4/IPv6 it didn't work)

Go to Settings > Connections > Mobile networks > Access Point Names 
Press Add on right top corner. If your phone has already set values for Mobile Internet for any fields below leave them.
Change the other fields as below.
Name: Public Mobile (or whatever you want to call it)
APN: sp.mb.com
Proxy:
Port:
Username:
Password:
Server:
MMSC: http://aliasredirect.net/proxy/mb/mmsc
Multimedia message proxy: mmscproxy.mobility.ca
Multimedia message port: 8799
MCC: 302
MNC: 220
Authentication type:
APN type:  default,mms,supl,fota,hipri
APN protocol: IPv4
APN roaming protocol: IPv4
Bearer: Unspecified
Restart your phone to apply new Mobile Internet APN settings.

[Sansan]

@LeeJ1  check this message to see if it applies to you. 

Might need to update the APN settings. 

https://productioncommunity.publicmobile.ca/t5/Announcements/Picture-and-Group-Messaging-End-Date-Fe...

[softech]

@LeeJ1 

J7 was released back in 2015 and could be affected by this announcement

https://productioncommunity.publicmobile.ca/t5/Announcements/Picture-and-Group-Messaging-End-Date-Fe...

if you are using a device that released after 2017, generally, you can simply click Reset All networks or Reset network settings to get the latest APN

Also, you can make a manual update, here are the old and new settings

Old settings:

APN: sp.mb.com
MMSC: http://aliasredirect.net/proxy/mb/mmsc
MMSC proxy: 74.49.0.18
MMS port: 80
MCC: 302
MNC: 220
APN Type: default,supl,mms
                             or        default,mms,agps,supl,fota,hipri

New Settings:

APN: sp.mb.com
MMSC: http://aliasredirect.net/proxy/mb/mmsc
MMSC proxy: mmscproxy.mobility.ca
MMS port: 8799
MCC: 302
MNC: 220
APN Type: default,supl,mms
                             or             default,mms,agps,supl,fota,hipri