Strange symbol only on lock screen.

[AC Question]

nexus 6p, nougat

 

[belodion]

You haven't given us quite enough info to judge.

https://r.tapatalk.com/shareLink?ur...&share_tid=409154&share_fid=4950&share_type=t

 

[jasonandrews25788]

A screenshot might help us figure it out for you ^_^