United States
GSM
50%
HSDPA
50%

Defence Mobile APN settings for Microsoft Lumia 640 Dual SIM

Microsoft Lumia 640 Dual SIM is compatible with Defence Mobile GSM 50% and Defence Mobile HSDPA 50%.

Defence Mobile Internet & MMS APN settings

Go to App list, tap Settings Cellular + SIM

If your phone supports more than 1 SIM card, choose SIM 1 settings or SIM 2 settings depending on the SIM that you want to use for Defence Mobile 2.
Turn on Data Connection.

Enable Use cellular data in For limited Wi-Fi connectivity
If you have more than 1 SIM card choose the SIM card for data connection in SIM for data connection
Enable 3G connection for faster data transfer speeds. Also enable Highest connection speed

Internet Configuration Settings:

In Cellular + SIM Settings, select SIM settings Add Internet APN
If you have a dual SIM phone select the SIM card.

Change the below settings

APN: reseller
User name:
Password:
Authentication type:
Proxy server (URL):
Proxy port:
IP type: IPv4

Tap Save


MMS Configuration Settings:

In Cellular + SIM Settings, select SIM settings Add MMS APN

If you have a dual SIM phone select the SIM card.

Change the below settings

APN: reseller
User name:
Password:
Authentication type:
WAP gateway (URL): proxy.mobile.att.net
WAP gateway port: 80
MMSC (URL): http://mmsc.mobile.att.net
MMSC port:
Maximum MMS size: 1024
IP Type: IPv4

Tap Save.


For Microsoft Lumia 640 Dual SIM, when you type Defence Mobile APN settings, make sure you enter APN settings in correct case. For example, if you are entering Defence Mobile Internet & MMS APN settings make sure you enter APN as reseller and not as RESELLER or Reseller.

Microsoft Lumia 640 Dual SIM compatibility with Defence Mobile

Microsoft Lumia 640 Dual SIM is compatible with below network frequencies of Defence Mobile.

2G
GSM850 MHz, 1900 MHz*
3G
HSDPA850 MHz, 1900 MHz*
*These frequencies of Defence Mobile may not have countrywide coverage for Microsoft Lumia 640 Dual SIM.

Explain Microsoft Lumia 640 Dual SIM compatibility with Defence Mobile

Defence Mobile 2G APN with Microsoft Lumia 640 Dual SIM

Microsoft Lumia 640 Dual SIM supports Defence Mobile 2G on GSM 850 MHz and 1900 MHz only in some areas of United States.

Defence Mobile 3G APN with Microsoft Lumia 640 Dual SIM

Microsoft Lumia 640 Dual SIM supports Defence Mobile 3G on HSDPA 850 MHz and 1900 MHz only in some areas of United States.

Overall compatibililty of Microsoft Lumia 640 Dual SIM with Defence Mobile is 50%. The compatibility of Microsoft Lumia 640 Dual SIM with Defence Mobile, or the Defence Mobile network support on Microsoft Lumia 640 Dual SIM we have explained here is only a technical specification match between Microsoft Lumia 640 Dual SIM and Defence Mobile network. Even Microsoft Lumia 640 Dual SIM is listed as compatible here, Defence Mobile network can still disallow (sometimes) Microsoft Lumia 640 Dual SIM in their network using IMEI ranges. Therefore, this only explains if Defence Mobile allows Microsoft Lumia 640 Dual SIM in their network, whether Microsoft Lumia 640 Dual SIM will work properly or not, in which bands Microsoft Lumia 640 Dual SIM will work on Defence Mobile and the network performance between Defence Mobile and Microsoft Lumia 640 Dual SIM. To check if Microsoft Lumia 640 Dual SIM is really allowed in Defence Mobile network please contact Defence Mobile support. Do not use this website to decide to buy Microsoft Lumia 640 Dual SIM to use on Defence Mobile.

Microsoft Lumia 640 Dual SIM network specifications

OS Microsoft Windows Phone 8.1 with Lumia Denim
Network bands GSM / HSPA
Speed HSPA 42.2/5.76 Mbps
Network frequencies GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
HSDPA 850 / 900 / 1900 / 2100

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