What is device keystring

[Android Central Question]

The device keystring is stuck Grey in the off position. What is device keystring

 

[B. Diddy]

Welcome to Android Central! See this: https://forums.androidcentral.com/ask-question/789265-what-devicekeystring.html

Please register on this forum, which will allow you to engage in discussion more easily, as well as post images. https://forums.androidcentral.com/ask-question/409154-join-android-central-community.html