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Windows lumia 900 wont get online or alow mms service is with straight talk

I have a windows nokia lumia 900 and It is an unlocked phone from att. I can not seem to get the internet or the mms to work no matter what I do. I have tried everything I have found in the forums.

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  • 44 Answers

You get internet via either WI-FI, or over the phone line using data so first make sure WI-FI turned on then then that data connetion is turned on you can find these in the settings.

Posted on Dec 19, 2013


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Posted on Jan 02, 2017

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SOURCE: i dropped my phone in

On the AT&T Network, to unlock the LG Shine or CU720, it’s pretty simple:

  • Put a AT&T or Cingular SIM in the phone; it does not have to be an active SIM
  • Enter *#865625# then the 16 digit unlock code*
  • Device should say: Network Lock Deactivated
  • Phone may automatically reboot
*The 16 digit code can be obtained by calling AT&T Technical Support and given the representative the IMEI number. In exchange they will give you the Subsidy Unlock Code.
To obtain the IMEI number, type *#06# on your device. This is a 17 digit number and it is not the same as the unlock code, this is the IMEI number to give to AT&T Technical Support in exchange for the 16 digit Subsidy Unlock Code.

Read more: How To Unlock LG CU720 | Mobileslate -

Posted on Apr 13, 2009

  • 59 Answers


No it is not true - Check out this website and call them back:

Posted on Apr 29, 2009

SOURCE: I have att service and need to use a 900 number

You will need to call AT&T to have them turn off the 900 block

Posted on Oct 15, 2009

  • 1 Answer

SOURCE: i have an att phone but i unlocked it so i can use

samsung J600 white screen problem

please help me..................

Posted on Jan 31, 2010

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