United States
GSM
HSDPA

Ultra Mobile APN settings for Microsoft Lumia 640 Dual SIM

Microsoft Lumia 640 Dual SIM is compatible with Ultra Mobile GSM and Ultra Mobile HSDPA.

Ultra 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 Ultra 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: wholesale
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: wholesale
User name:
Password:
Authentication type:
WAP gateway (URL):
WAP gateway port:
MMSC (URL): http://wholesale.mmsmvno.com/mms/wapenc
MMSC port:
Maximum MMS size: 1024
IP Type: IPv4

Tap Save.


If the above Ultra Mobile Internet & MMS APN settings do not work on your Lumia 640 Dual SIM, make below changes to Ultra Mobile Internet & MMS APN settings to get Ultra Mobile with MMS Proxy on your Microsoft Lumia 640 Dual SIM.

MMS APN: WAP gateway (URL)216.155.165.50
MMS APN: WAP gateway port8080
Authentication typeNone

For Microsoft Lumia 640 Dual SIM, when you type Ultra Mobile APN settings, make sure you enter APN settings in correct case. For example, if you are entering Ultra Mobile Internet & MMS APN settings make sure you enter APN as wholesale and not as WHOLESALE or Wholesale.

Microsoft Lumia 640 Dual SIM compatibility with Ultra Mobile

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

2G
GSM1900 MHz
3G
HSDPA2100 MHz
1900 MHz*
*These frequencies of Ultra Mobile may not have countrywide coverage for Microsoft Lumia 640 Dual SIM.

Explain Microsoft Lumia 640 Dual SIM compatibility with Ultra Mobile

Ultra Mobile 2G APN with Microsoft Lumia 640 Dual SIM

Microsoft Lumia 640 Dual SIM supports Ultra Mobile 2G on GSM 1900 MHz.

Ultra Mobile 3G APN with Microsoft Lumia 640 Dual SIM

Microsoft Lumia 640 Dual SIM supports Ultra Mobile 3G on HSDPA 2100 MHz.
It will also support Ultra Mobile 3G on HSDPA 1900 MHz only in some areas of United States.

Overall compatibililty of Microsoft Lumia 640 Dual SIM with Ultra Mobile is 100%. The compatibility of Microsoft Lumia 640 Dual SIM with Ultra Mobile, or the Ultra 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 Ultra Mobile network. Even Microsoft Lumia 640 Dual SIM is listed as compatible here, Ultra Mobile network can still disallow (sometimes) Microsoft Lumia 640 Dual SIM in their network using IMEI ranges. Therefore, this only explains if Ultra 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 Ultra Mobile and the network performance between Ultra Mobile and Microsoft Lumia 640 Dual SIM. To check if Microsoft Lumia 640 Dual SIM is really allowed in Ultra Mobile network please contact Ultra Mobile support. Do not use this website to decide to buy Microsoft Lumia 640 Dual SIM to use on Ultra 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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