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Wavester · 01-22-2011, 11:19 AM

I am trying to activate this on an AT&T (albeit unlocked) 9700 and am unable to complete this step:

Select the SEGW certificate named T-Mobile USA, inv. Engineering and Operations CA

I have a T-Mobile 9780 (also unlocked) and I have placed the T-Mobile SIM card in the 9700 but am unable to get the needed SEGW Certificate.

Is there a way I can use one of the utility programs to transfer the certificate as I've done with .cod files in the past? Has anyone found another option with an AT&T branded phone? Because the 3G frequencies are different on the networks this option would be a nice addition to using my AT&T phones with my T-Mobile SIM without being restricted to EDGE speeds.

01-22-2011, 11:19 AM	#14
Wavester Thumbs Must Hurt Join Date: Apr 2005 Location: Philadelphia, PA/Southern NJ Model: 9900 OS: 7.1.0.xxx PIN: the tail on a donkey Carrier: T-Mobile Posts: 164	Re: Enabling UMA on sim free handset I am trying to activate this on an AT&T (albeit unlocked) 9700 and am unable to complete this step: Select the SEGW certificate named T-Mobile USA, inv. Engineering and Operations CA I have a T-Mobile 9780 (also unlocked) and I have placed the T-Mobile SIM card in the 9700 but am unable to get the needed SEGW Certificate. Is there a way I can use one of the utility programs to transfer the certificate as I've done with .cod files in the past? Has anyone found another option with an AT&T branded phone? Because the 3G frequencies are different on the networks this option would be a nice addition to using my AT&T phones with my T-Mobile SIM without being restricted to EDGE speeds.
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