Update: Dan Rosenberg May Have Unlocked The AT&T Galaxy S 4 Bootloader, But No Release Yet

We recently found out that AT&T has locked the bootloader on the Galaxy S 4, something I can’t forgive them for. But as sucky as the carriers can get, the developers are much more capable. After some people said it might be impossible to unlock without a leak of the keys, the infamous Dan Rosenberg posted this photo on his twitter, showing that he had modified the bootloader on an AT&T Galaxy S 4. However, he has not made the method public so far, and for good reason.

It is rumored that the Verizon model of the S 4 will be locked down too. And while it isn’t confirmed, the S III and Note II for Verizon were all locked down, so it’s safe to assume that the S 4 will be. If he released the procedure now, Verizon could easily patch the security hole he used. Their S 4 comes out more than a month later than the others, May 30th to be exact. So until then, we’re sure he doesn’t want to release this procedure. But it seems that he did it, so potential customers, have hope!

Update: Dan Rosenberg has posted a small Q&A on the XDA forums with a little info on his bootloader hack. This should answer any remaining questions you have about this method, including the most important of all.

Is that the AT&T-branded Galaxy S4?
Yes. It wouldn’t be very interesting otherwise.

Does this allow you to run custom kernels and recoveries?

When will this be released?
I will not be publishing anything at least until the Verizon-branded Galaxy S4 begins shipping (late May).

Does that mean it will work on the Verizon model?
It is highly likely this will also work on the Verizon model, but since I don’t have one I’m unable to test at this time.

Will bothering me result in an early release?

Is this the result of a leak?
No. I would not associate myself with the publication of confidential materials that are proprietary to these companies, regardless of the fact that I disagree with their policies on device openness. Plus, where’s the fun in that?

What about the bounty?
Feel free to wait until I publish and decide for yourself if it meets your criteria. As always, I prefer any donations go to a reputable charity organization instead of me, but I won’t refuse if you insist on throwing money at my PayPal (http://goo.gl/zBGb0).

Is it safe to install OTA updates?
If you are interested in taking advantage of this release, it is recommended that you avoid installing OTA updates until it is published. Please be aware that refraining from installing updates may prevent you from receiving security and stability fixes for your device, and consider whether this is a risk you are willing to accept.

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@djrbliss | Android Police | XDA-Developers

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