United States
HSDPA
LTE

AT&T APN settings for Microsoft Lumia 640 LTE

      AT&T   Microsoft Lumia 640 LTE   Windows

Microsoft Lumia 640 LTE is compatible with AT&T HSDPA and AT&T LTE.

To configure AT&T APN settings with Microsoft Lumia 640 LTE follow below steps. Microsoft Lumia 640 LTE maximum data transter speed with AT&T is 102/51 Mbps.

AT&T 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 AT&T 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: phone
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: phone
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.


If the above AT&T Internet & MMS APN settings do not work on your Lumia 640 LTE, make below changes to AT&T Internet & MMS APN settings to get Cingular 380 ATT on your Microsoft Lumia 640 LTE.

APNproxy
MMSC (URL)http//mmsc.cingular.com/
MMS APN: WAP gateway (URL)wireless.cingular.com
MMS APN: WAP gateway portblank
APN protocolIPv4

If the above AT&T Internet & MMS APN settings too do not work on your Lumia 640 LTE, make below changes to AT&T Internet & MMS APN settings to get ATT Phone on your Microsoft Lumia 640 LTE.

MMSC (URL)http//mmsc.mobile.att.net
APN protocolIPv4

If the above AT&T Internet & MMS APN settings too do not work on your Lumia 640 LTE, make below changes to AT&T Internet & MMS APN settings to get ATT WAP on your Microsoft Lumia 640 LTE.

APNwap.cingular
MMSC (URL)http//mmsc.cingular.com/
MMS APN: WAP gateway (URL)wireless.cingular.com
MMS APN: WAP gateway portblank
APN protocolIPv4

If the above AT&T Internet & MMS APN settings too do not work on your Lumia 640 LTE, make below changes to AT&T Internet & MMS APN settings to get For unlocked non AT&T devices on your Microsoft Lumia 640 LTE.

APNNXTGENPHONE
MMSC (URL)http//mmsc.mobile.att.net

If the above AT&T Internet & MMS APN settings too do not work on your Lumia 640 LTE, make below changes to AT&T Internet & MMS APN settings to get Net 10 ATT 4G LTE on your Microsoft Lumia 640 LTE.

APNtfdata
MMSC (URL)http//mmsc.mobile.att.net
Authentication typePAP

If the above AT&T Internet & MMS APN settings too do not work on your Lumia 640 LTE, make below changes to AT&T Internet & MMS APN settings to get Net 10 via AT&T on your Microsoft Lumia 640 LTE.

APNRESELLER
MMSC (URL)http//mmsc.mobile.att.net
APN protocolIPv4

If the above AT&T Internet & MMS APN settings too do not work on your Lumia 640 LTE, make below changes to AT&T Internet & MMS APN settings to get Net 10 via AT&T Tracfone on your Microsoft Lumia 640 LTE.

APNtftdata
MMSC (URL)http//mmsc.mobile.att.net
Authentication typePAP
APN protocolIPv4

Straight Talk for AT&T 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 AT&T 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: tfdata
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: tfdata
User name:
Password:
Authentication type:
WAP gateway (URL): mms3.tracfone.com
WAP gateway port: 80
MMSC (URL): http://mms-tf.net
MMSC port:
Maximum MMS size: 1024
IP Type: IPv4

Tap Save.


For Microsoft Lumia 640 LTE, when you type AT&T APN settings, make sure you enter APN settings in correct case. For example, if you are entering AT&T Internet & MMS APN settings make sure you enter APN as phone and not as PHONE or Phone. If entering Straight Talk for AT&T APN Settings above to your Microsoft Lumia 640 LTE, APN should be entered as tfdata and not as TFDATA or Tfdata.

Microsoft Lumia 640 LTE compatibility with AT&T

Microsoft Lumia 640 LTE is compatible with below network frequencies of AT&T. Lumia 640 LTE has variants T-Mobile.

3G
HSDPA850 MHz
4G
LTE Not compatible
  T-MobileBand 12 700 MHz, Band 17 700 MHz
Band 4 1700/2100 MHz, Band 2 1900 MHz, Band 5 850 MHz*
*These frequencies of AT&T may not have countrywide coverage for Microsoft Lumia 640 LTE.

Explain Microsoft Lumia 640 LTE compatibility with AT&T

Microsoft Lumia 640 LTE has modal variants T-Mobile.

AT&T 3G APN with Microsoft Lumia 640 LTE

Microsoft Lumia 640 LTE supports AT&T 3G on HSDPA 850 MHz.

AT&T 4G LTE APN with Microsoft Lumia 640 LTE

Compatibility of Microsoft Lumia 640 LTE with AT&T 4G depends on the modal variants and T-Mobile.

Microsoft Lumia 640 LTE does not support AT&T 4G LTE.

T-Mobile

Microsoft Lumia 640 LTE T-Mobile supports AT&T 4G on LTE Band 12 700 MHz and Band 17 700 MHz.
It will also support AT&T 4G on LTE Band 4 1700/2100 MHz, Band 2 1900 MHz and Band 5 850 MHz only in some areas of United States.

Overall compatibililty of Microsoft Lumia 640 LTE with AT&T is 100%. The compatibility of Microsoft Lumia 640 LTE with AT&T, or the AT&T network support on Microsoft Lumia 640 LTE we have explained here is only a technical specification match between Microsoft Lumia 640 LTE and AT&T network. Even Microsoft Lumia 640 LTE is listed as compatible here, AT&T network can still disallow (sometimes) Microsoft Lumia 640 LTE in their network using IMEI ranges. Therefore, this only explains if AT&T allows Microsoft Lumia 640 LTE in their network, whether Microsoft Lumia 640 LTE will work properly or not, in which bands Microsoft Lumia 640 LTE will work on AT&T and the network performance between AT&T and Microsoft Lumia 640 LTE. To check if Microsoft Lumia 640 LTE is really allowed in AT&T network please contact AT&T support. Do not use this website to decide to buy Microsoft Lumia 640 LTE to use on AT&T.

Max download & upload speeds on AT&T 4G for Microsoft Lumia 640 LTE per LTE band

Band 2 1900T-Mobile 102 Mbps 51 Mbps
Band 4 1700T-Mobile 102 Mbps 51 Mbps
Band 5 850T-Mobile 102 Mbps 51 Mbps

Microsoft Lumia 640 LTE network specifications

OS Microsoft Windows Phone 8.1 with Lumia Denim
Network bands GSM / HSPA / LTE
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Network frequencies GSM 850 / 900 / 1800 / 1900
HSDPA 850 / 900 / 2100
LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800)
LTE band 1(2100), 2(1900), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700) - T-Mobile
See full specs at GSM.COOL... Select a different device... Select a different network...
Microsoft Lumia 640 LTE Dual SIM AT&T APN settings
100% compatible with AT&T
HSDPA   LTE