iPhone Forums - View Single Post - Updated carrier file, 3.0 and visual voicemail fix

Hondamaker · 07-04-2009, 08:44 PM

Originally Posted by Damonte

gotzaiPhone, here's what I had to do to make MMS work.

I have an unlocked Nokia E71, but my understanding is that ANY GSM phone will do, as long as it works on AT&T. You can buy a cheap Nokia pay-as-you-go phone for about $10 that will work. You need to pull the SIM card from your iPhone and plug it into the non-iPhone. Wait some time, make a couple test phone calls to ensure it's working.

AT&T knows what phone you're using (model wise) and will allow or block certain services appropriately (such as MMS messaging). The hacked carrier profile which enables tethering and MMS also disables the model reporting agent, so the iPhone no longer updates AT&T as to what model of phone it is.

The idea is that by using the non-iPhone, AT&T will update what it thinks you are using to be a non-iPhone. At that point, you can then plug the SIM back into the iPhone and your MMS messages will go through. How do you know what that point in time is? Since my non-iPhone supports MMS as well, I kept trying to send an MMS until it went through. That's when you know.

And now my iPhone tethers, does MMS, and my Visual Voicemail works.

Thanks for the VVM tip!

I put my sim in an old RAZR, made a few calls, sent a few texts, sent a few MMS, then put sim back in my iPhone and MMS works. How long do you think it will work? I have the 5.0 carrier file installed, BTW.

07-04-2009, 08:44 PM	#19 (permalink)
Hondamaker Join Date: May 2007 Location: Sidney, OHIO Posts: 5,184 Thanks: 389 Thanked 233 Times in 182 Posts	Originally Posted by Damonte gotzaiPhone, here's what I had to do to make MMS work. I have an unlocked Nokia E71, but my understanding is that ANY GSM phone will do, as long as it works on AT&T. You can buy a cheap Nokia pay-as-you-go phone for about $10 that will work. You need to pull the SIM card from your iPhone and plug it into the non-iPhone. Wait some time, make a couple test phone calls to ensure it's working. AT&T knows what phone you're using (model wise) and will allow or block certain services appropriately (such as MMS messaging). The hacked carrier profile which enables tethering and MMS also disables the model reporting agent, so the iPhone no longer updates AT&T as to what model of phone it is. The idea is that by using the non-iPhone, AT&T will update what it thinks you are using to be a non-iPhone. At that point, you can then plug the SIM back into the iPhone and your MMS messages will go through. How do you know what that point in time is? Since my non-iPhone supports MMS as well, I kept trying to send an MMS until it went through. That's when you know. And now my iPhone tethers, does MMS, and my Visual Voicemail works. Thanks for the VVM tip! I put my sim in an old RAZR, made a few calls, sent a few texts, sent a few MMS, then put sim back in my iPhone and MMS works. How long do you think it will work? I have the 5.0 carrier file installed, BTW. __________________ "Oh Father of the Four Winds, fill my sails, across the sea of years.With no provision, but an open face, along the straits of fear..."