Three Mobile UK APN Settings for Android iPhone HTC Nokia Lumia

1. General GPRS Settings:

Homepage: http://mobile.three.co.uk/
Access Point (contract): three.co.uk
Username : blank
Password:blank
Authentication: Normal

MMS Setting:

APN: three.co.uk
Username: blank
Password: blank
MMSC: http://mmsc.um.three.co.uk:10021/mmsc
MMS Proxy: 217.171.129.2:8799
MMS Max Message Size:
MMS UA Prof URL:

2. Three APN Settings for Android /HTC/ Nexus/ Galaxy:

Go to Menu -> Settings -> Wireless & networks-> Mobile networks -> Access Point Names -> New APN and enter the following details there

Internet /MMS APN:

Name : 3 UK
APN :  three.co.uk
Proxy : < Not Set >
Port : < Not Set >
Username : < Not Set >
Password : < Not Set >
Server : < Not Set >
MMSC : http://mms.um.three.co.uk:10021/mmsc
MMS Proxy : mms.three.co.uk
MMS Port : 8799
MCC :  234
MNC :  20
Authentication type : < Not Set >
APN Type : default,supl,mms

3. Three UK APN Settings for iPhone / iPad:

Go to Settings-> General -> Network->Turn ON Cellular Data Network (or Mobile Data Network) -> Select Cellular Data Network (or Mobile Data Network ) > APN and enter the following details

Cellular Data:
APN: three.co.uk
Username: Blank
Password: Blank
MMS:
APN: three.co.uk
Username: blank
Password: blank
MMSC:  http://mms.um.three.co.uk:10021/mmsc
MMS Proxy: mms.three.co.uk:8799
MMS Message Size: 307200
MMS UA Prof URL: Blank

4. Internet Settings for Windows 8:

Go to Settings -> Access Point -> Add a New Profile, and enter the following details
Connection Name: 3 UK
Internet APN:
Access Point Name: three.co.uk
Username: Blank
Password: Blank
Proxy address: Blank
Proxy port: Blank
Network type : IPv4
Authentication Type: none
MMS APN:
MMS Access Point Name:  three.co.uk
Username: Blank
Password: Blank
Proxy address: mms.three.co.uk
Proxy Port: 8799
MMSC: http://mms.um.three.co.uk:10021/mmsc
Network type : IPv4
Authentication Type: none
and save the settings and activate the newly added profile