Thanks Meter 37
Join Date: Oct 2013
Location: Somewhere in the darkness
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To see if you have a valid warranty or if the device warranty is void, follow these instructions:
Press Volume Up + Home Button + Power Button (all at once). You will be prompted with a menu talking about custom OS installation and press the Volume Up button to continue.
In the upper left corner in very small writing, your device should show Knox Counter 0x0 (warranty intact) or 0x1 (warranty void). If you do not see this on your device, another option is to look at the Device Status settings:
Settings | General | About Device | Status
From the above menu, scroll to Device Status and if it says "Official" your warranty is valid. If it says "Custom", your warranty is void. There is a catch to this... I have a WIND Mobile device but I have rooted and installed the Telus ROM. I then changed the regional settings to Telus so it says the Device Status is "Official". My warranty is void because changing this downloaded the "My Telus" app as a permanent application and there is no way to rid this without installing the WIND ROM and changing the regional settings back to WIND which will alter the Device Satus to "Custom".
Hope this helps!