AT&T APN settings for Sony Xperia X

Jun 10, 2018, Updated: Jan 5, 2021 AT&T Sony Xperia X Android

Sony Xperia X is compatible with AT&T HSDPA and AT&T LTE.

To configure AT&T APN settings with Sony Xperia X follow below steps. Sony Xperia X maximum data transter speed with AT&T is 102/51 Mbps while Sony Xperia X is capable of speeds up to 301.5/51 Mbps.

AT&T Internet & MMS APN settings

Go to Settings More / Mobile networks Access Point Names

Press on right top

Name: AT&T 2
APN: phone
Proxy:
Port:
Username:
Password:
Server:
MMSC: http://mmsc.mobile.att.net/
MMS proxy: proxy.mobile.att.net
MMS port: 80
MCC: 310
MNC: 410
Authentication type: None
APN type: default,mms,supl,hipri,fota
APN protocol: IPv4
APN roaming protocol: IPv4
Bearer: Unspecified
APN PPP phone number: Not set

Do not change the default values set by device for all blank fields above.

If the above AT&T Internet & MMS APN settings do not work on your Xperia X, make below changes to AT&T Internet & MMS APN settings to get Cingular 380 ATT on your Sony Xperia X.

APN	proxy
MMSC	http://mmsc.cingular.com/
MMS proxy	wireless.cingular.com
MMS port	blank
APN type	default,supl,mms
APN protocol	IPv4

If the above AT&T Internet & MMS APN settings too do not work on your Xperia X, make below changes to AT&T Internet & MMS APN settings to get ATT Phone on your Sony Xperia X.

MMSC	http://mmsc.mobile.att.net
APN type	default,mms,supl,fota
APN protocol	IPv4

If the above AT&T Internet & MMS APN settings too do not work on your Xperia X, make below changes to AT&T Internet & MMS APN settings to get ATT WAP on your Sony Xperia X.

APN	wap.cingular
MMSC	http://mmsc.cingular.com/
MMS proxy	wireless.cingular.com
MMS port	blank
APN type	default,supl,mms
APN protocol	IPv4

If the above AT&T Internet & MMS APN settings too do not work on your Xperia X, make below changes to AT&T Internet & MMS APN settings to get For unlocked non AT&T devices on your Sony Xperia X.

APN	NXTGENPHONE
MMSC	http://mmsc.mobile.att.net
APN type	default,mms,supl,hipri

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

APN	tfdata
MMSC	http://mmsc.mobile.att.net
APN type	default,mms,supl,hipri
Authentication type	PAP

If the above AT&T Internet & MMS APN settings too do not work on your Xperia X, make below changes to AT&T Internet & MMS APN settings to get Net 10 via AT&T on your Sony Xperia X.

APN	RESELLER
MMSC	http://mmsc.mobile.att.net
APN type	default,mms,supl
APN protocol	IPv4

If the above AT&T Internet & MMS APN settings too do not work on your Xperia X, make below changes to AT&T Internet & MMS APN settings to get Net 10 via AT&T Tracfone on your Sony Xperia X.

APN	tftdata
MMSC	http://mmsc.mobile.att.net
APN type	default,mms,supl,hipri
Authentication type	PAP
APN protocol	IPv4

Straight Talk for AT&T APN Settings

Go to Settings More / Mobile networks Access Point Names

Press on right top

Name: AT&T 2
APN: tfdata
Proxy:
Port:
Username:
Password:
Server:
MMSC: http://mms-tf.net
MMS proxy: mms3.tracfone.com
MMS port: 80
MCC: 310
MNC: 410
Authentication type: None
APN type:
APN protocol: IPv4
APN roaming protocol: IPv4
Bearer: Unspecified
APN PPP phone number: Not set

Do not change the default values set by device for all blank fields above.

For Sony Xperia X, 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 Sony Xperia X, APN should be entered as tfdata and not as TFDATA or Tfdata.

AT&T MCC-MNC values

310-380

310-410

Sony Xperia X compatibility with AT&T

Sony Xperia X is compatible with below network frequencies of AT&T. Xperia X has variants F5121 and F5122.

3G	HSDPA	F5121, F5122	850 MHz, 1900 MHz
4G	LTE	F5121, F5122	Band 12 700 MHz, Band 17 700 MHz Band 4 1700/2100 MHz, Band 2 1900 MHz, Band 5 850 MHz, Band 40 2300 MHz*

*These frequencies of AT&T may not have countrywide coverage for Sony Xperia X.

Explain Sony Xperia X compatibility with AT&T

AT&T 3G APN with Sony Xperia X

F5121, F5122

Sony Xperia X F5121, F5122 supports AT&T 3G on HSDPA 850 MHz and 1900 MHz.

AT&T 4G LTE APN with Sony Xperia X

F5121, F5122

Sony Xperia X F5121, F5122 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, Band 5 850 MHz and Band 40 2300 MHz only in some areas of United States.

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

Max download & upload speeds on AT&T 4G for Sony Xperia X per LTE band

Band 2 1900	F5121, F5122	102 Mbps	51 Mbps
Band 4 1700	F5121, F5122	102 Mbps	51 Mbps
Band 5 850	F5121, F5122	102 Mbps	51 Mbps

Sony Xperia X network specifications

OS	Android OS, v6.0.1 (Marshmallow), planned upgrade to v7.0 (Nougat)
Network bands	GSM / HSPA / LTE
Speed	HSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps
Network frequencies	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - F5121, F5122 LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 19(800), 20(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - F5121, F5122