LG Optimus G - Phone Info aka *#*#4636#*#* not working any longer

spishack

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Jun 11, 2012
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I've used this app just a few weeks ago and one day it just stopped working. I dial the code in and all I get is "This application does not work on this device". I can clearly see the app loaded up behind the error window. Did LG/Sprint/Android update this not to work for whatever reason or did I mess something up? I hope there's some way to fix this, I need this app to work.

Sprint
Version 4.1.2
LS970ZVC