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      11-06-2019, 05:25 PM   #48
dtla1
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Drives: 2011 135i, Space Grey
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Quote:
Originally Posted by Zygote55 View Post
I'm not even sure how to do that... Doesn't it automatically back up your stock tune when you install MHD? My understanding was that the stock tune was backed up when MHD is installed, then restored when MHD is uninstalled.

This raises another question I hadn't considered - where is it actually storing the stock tune? I've changed phones since originally installing MHD so it's likely I've lost my stock tune forever.
I would assume that it's stored on the hardware that was used to backup the stock tune originally, especially since their instructions are to have the tablet/phone etc in airplane mode while using MHD.

Saying that, this might explain why you are seeing the checksums that don't match.

I'm going to revert to stock tune this afternoon to check since I've only ever had one device I've used with MHD.

Are the checksums automatically shown after checking for codes?
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