Q10SQN100-4 10.2 Sachesi Update?

So i've got the Sprint Q10SQN100-4 and want to update to 10.2. I want to update though Sachesi since that seems to be the most painless way but Sprint seems to be the only carrier with the 100-4 model.

Is there another carrier whose update files will work with the Sprint Q10? Or am I stuck waiting for Sprint to officially release 10.2/Downloading the leaked autoloader, security wiping and restoring from a backup?

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Q10s and Q5s are interchangeable, so any carrier with 10.2 for any QWERTY should work.

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