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[Q] HTC One M8 : Unable to update to 4.4.3

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iWinDroid
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Default [Q] HTC One M8 : Unable to update to 4.4.3

I have downloaded the full update of about 650 MB. But now I'm unable to install the update. When I go to Install now option, it ends up on the Bootloader menu. It shows Tampered Locked Security warning (see pictures). I neither tried to root the device nor tried to unlock the bootloader . I don't know what to do now. Any kind of help will be appreciated.
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redpoint73
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Was the phone purchased new from a reputable seller? Meaning, is it possible a previous owner unlocked the bootloader (root, s-off, etc.), than changed the LOCKED and S-ON flags?

If not, its very odd indeed to have TAMPERED if it was purchased new from your carrier or similar reliable source.

What happens if you select HBOOT from the menu and go into recovery?
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Phone: AT&T HTC One (M8)

Tablet: Samsung Galaxy Tab Pro 8.4 (WiFi only)
 
mathrania
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The top line says tempered... Might be unlocked or the recovery is not stock... Try doing whats written in the Post above mine...
Nokia 3310 > Nokia 3610 > Nokia 3650 > Nokia 6600 > Nokia N72 > Sony Ericsson K800 > Nokia N73 > Nokia N95 > Sony Ericsson W960i > Nokia E90 > HTC Touch Pro 2 > HTC DESIRE HD > HTC SENSATION > HTC ONE X >>> HTC ONE




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technogeek82
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Quote:
Originally Posted by iWinDroid View Post
I have downloaded the full update of about 650 MB. But now I'm unable to install the update. When I go to Install now option, it ends up on the Bootloader menu. It shows Tampered Locked Security warning (see pictures). I neither tried to root the device nor tried to unlock the bootloader . I don't know what to do now. Any kind of help will be appreciated.

IDK how I got the tampered banner off mine. I do not have S-off so I couldn't do any of the tricks, I think Locking the bootloader, flashing stock recovery, and flashing the stock ruu must of done the trick.
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