The lockscreen on Elephone P9000 devices (running Android 6.0) allows physically proximate attackers to bypass a wrong-PIN lockout feature by pressing backspace after each PIN guess.
- https://www.reddit.com/r/netsec/comments/6kajkc/elephone_p9000_lock_screen_lockout_bypass_with/
- https://www.youtube.com/watch?v=dwyzonP2eZw
No PoCs found on GitHub currently.