Here are the best APN and MMS settings for the Galaxy S4 and all it’s variants. This should also work for the HTC One and HTC One Maxx.
Name – Orange Internet
APN – everywhere
Proxy & Port – Please leave blank
Username – eesecure
Password – secure
Server – Please leave blank
MMSC – http://mms/
MMS Proxy – 149.254.201.135
MMS Port – 8080
MCC – 234
MNC – 30
Authentication type – PAP
APN type – Internet & MMS (If no selection available , leave blank )