1. Android Central Question's Avatar
    As of today I can't unlock my LG G6 (2 years old, no physical/water damage) with my pin passcode, only fingerprints work. When I try to enter the pin (which I know is correct), it unlocks the phone to a black screen for a few seconds, and then takes me back to the lock screen. Attempted multiple times and phone will not unlock and continues in this loop. Unlocked with my fingerprints, and tried to change my settings to change my security lock to none, and when I do this the lock screen settings crashes (tried force quitting and clearing cache in lock screen settings, same issue persists). Also tried to make my home "safe" so that the phone will not lock, and same crashing issue. I am fine unlocking with my fingerprints for now but I am worried about when my phone eventually prompts me for a pin password again. Currently have my changed my display settings so that the phone never locks itself, but obviously the phone won't handle this forever. Does anyone have any other troubleshooting advice?
    07-07-2020 07:34 PM
  2. mustang7757's Avatar
    Try get into safe mode see if still happening.

    I'll leave a Link to register so you can communicate here as a guest account you can only post questions but can't reply
    https://forums.androidcentral.com/sh...d.php?t=409154
    07-07-2020 09:28 PM
  3. guesttt990's Avatar
    thanks for the help. Was thinking about safe mode, but I am worried about rebooting into safe mode because if I switch the phone off I will have to enter my pin to get into it again before fingerprints are enabled, and then might not be able to get into the phone at all. Do you still think it's worth a shot before factory reset?
    07-08-2020 12:30 AM
  4. mustang7757's Avatar
    thanks for the help. Was thinking about safe mode, but I am worried about rebooting into safe mode because if I switch the phone off I will have to enter my pin to get into it again before fingerprints are enabled, and then might not be able to get into the phone at all. Do you still think it's worth a shot before factory reset?
    Hi, welcome!

    Yeah defently try safe mode, let me know!
    B. Diddy likes this.
    07-08-2020 01:04 AM
  5. B. Diddy's Avatar
    Welcome to Android Central! I agree with mustang7757, Safe Mode is worth trying. If you're unable to enter your PIN at the lockscreen in Safe Mode, you can always power off and then restart again, which will boot back into regular mode (and then you can use your fingerprint again).
    07-08-2020 01:39 AM
  6. Bobloblaw1998's Avatar
    Hi, I registered to let you know I had the exact same issue with my LG G6 (Aus) and android 9 - but it resolved itself after a reboot. Fingerprint unlocked it, but the pin would just go back to the lock screen. Weird as f.... - happened about the same time (sometime late August from memory). Absolutely not sure of the cause as it hasn't done it again. Definitely a bug somewhere and you're not alone. Wonder if it might have been some background security policy update or something...
    B. Diddy likes this.
    10-18-2020 06:50 AM

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