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HTC One: Unlocking your bootloader? Beware!


Is your HTC One arriving tomorrow? Are you planning to unlock the bootloader? Beware!

If you've ever unlocked a bootloader on a device before, you'll know that it wipes the data partition. Not normally a problem as long as you're aware of it. On the HTC One however, there are a number of applications (Calculator, Flashlight, Ringtone Trimmer and Sound Recorder) that are actually not in the main system partition, but are instead installed after a factory reset from a preload directory that lives in... the data partition!

Unfortunately, HTC haven't taken this preload directory into account in the bootloader unlock process - it gets wiped out and in turn those four system applications are gone... permanently! :blink:

Another potentially even more serious side effect is that because the OTA files check the integrity of existing applications, future OTAs won't apply if you've completed the unlock. The only way back from this situation is going to be a RUU (when one becomes available) - which will wipe your device again.

I've raised this issue with HTC and they're looking at it with the highest priority, but until such time as we have a resolution (or indeed just a backup of those 4 APKs?) then it's probably wise to hold off on the unlock.

About the author

PaulOBrien's Photo
Paul O'Brien founded MoDaCo in 2002 as a site focused on Windows Smartphones and has grown it since then by concentrating on providing a friendly community for both experienced and beginner mobile enthusiasts.

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9 Comments

Something makes me doubt that HTC are looking at this with anything like any priority.
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Surely a normal factory reset would remove these anyway?
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No, the factory reset process is smart enough not to touch the preload or media (internal sdcard) directories.

P
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And you can't backup this preload data before hand, or is it a hidden partition of /data?
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And you can't backup this preload data before hand, or is it a hidden partition of /data?


Unsure because mine is gone. :-D

P
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Dangerous Grounds.
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Mine is gone to. Looking forward to get them from xda-developers...
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and htc wonder why they are losing customers
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Photo
jowlymonster
Mar 25 2013 07:23 PM
I assume you've seen http://forum.xda-dev...=2193447&page=2 ?

Certainly restores the apps back again, but no idea if they are in the "right place" (I've not rooted yet to be able to browse around)
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