Re: Modem Unlock Flash Update NEW 12/15 WIPE or NO WIPE

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My screen shot on T-Mobile. Still will not hold 1700 signal well but works.

Sent from my DROID RAZR HD using xda app-developers app

It works

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Just wanted to say thank you so much. I got two of the razr hd dev. ed. and switched to T Mobile from sprint. They have been working rather well around Dallas, Tx. I'm not familiar with the different network speeds but mine runs on E with a network strength of around 63 dBm. Even at this speed it's tremendously better than Sprint. Calls are good, data is good. Another quick note. I did not unlock my wife's phone and was still able to get it to work. So the warranty is still intact. Thanks again and keep up the great work.

Great news! Will this work on the RAZR MAXX HD or is it just for the RAZR HD? I think the model is XT910, but it seems to be tricky to discern the international GSM models from US Verizon models. Wanting to use on AT&T. THANKS!

Re: Modem Unlock Flash Update NEW 12/15 WIPE or NO WIPE

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Originally Posted by KeepingItCuttingEdge

Great news! Will this work on the RAZR MAXX HD or is it just for the RAZR HD? I think the model is XT910, but it seems to be tricky to discern the international GSM models from US Verizon models. Wanting to use on AT&T. THANKS!

it works on razr hd and razr maxx hd. model xt926 from verizon

Sent from my DROID RAZR HD using xda app-developers app

Well, I think it is safe to say there is no further development continuing on this thread, which I am glad I didn't flash it in this case.

What actually happened is that the original hack from the OP has been made unnecessary by the discovery of the NV edit method to unlock the stock XT926 VZW modem so that US GSM carriers are allowed with no other modifications and all supported bands function properly.
This method was first found on the XT907 RAZR M but works exactly the same on the RAZR HD/MAXX because they share the same chipset.

It requires diagnostic mode access to modify the NVM in the radio so it passes a check of the whitelist of allowed networks.

This method does NOT work on the original RAZR/MAXX or D4 because they have a hybrid SoC with a MDM6600 chipset.

Originally Posted by cellzealot

What actually happened is that the original hack from the OP has been made unnecessary by the discovery of the NV edit method to unlock the stock XT926 VZW modem so that US GSM carriers are allowed with no other modifications and all supported bands function properly.
This method was first found on the XT907 RAZR M but works exactly the same on the RAZR HD/MAXX because they share the same chipset.

It requires diagnostic mode access to modify the NVM in the radio so it passes a check of the whitelist of allowed networks.

This method does NOT work on the original RAZR/MAXX or D4 because they have a hybrid SoC with a MDM6600 chipset.

Can you elaborate or is there a thread specific to this? THANKS

http://forum.xda-developers.com/show...&postcount=179

That is the best method writeup right now.

razr hd maxx

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I just wonder, has anyone tried on Razr HD Maxx with Wind mobile in Toronto?

http://forum.xda-developers.com/show....php?t=2166542

My writeup for performing this hack using RadioComm on the XT907/926 RAZR M/HD.