HTC One: Tampered Locked Security Warning

[Poonam Singha]

Suddenly my phone hanged and it got dead completely. This screen popped up when I turned on the power button. I have no clue how to fix it. I tried to reboot, but no success.

 

[NEXUS_HTC_PS]

Download this and see if it will restore it.
http://click.xda-developers.com/api...6.1718.01L Release 356565 Signed 2 (AT&T)

Posted via Android Central App

 

[sags79]

I am also getting the same thing.
Tampered and Locked.

How do we fix this?
I am unable to factory reset or update to the New Sense version.

Kindly help