Every time I unlock the my phone it makes a really horrid bleeping sound, the kind you would associate with a very low battery, now it has started doing it for 5-10 seconds after I unlock, I have turned off the unlock sound and I have restarted but it is still doing it. Any advice?
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Have had a look through the settings and nothing stands out that could cause that (that I know off) so my recommendation is to try the phone in safe mode and see if it still happens.
Turn on and use safe mode
Safe mode allows you to turn on the device with third-party apps disabled. Then you can easily uninstall apps that may be causing a conflict or software problem.
Turn off safe mode
This is just to see if it could be a 3rd party app causeing it, and try clearing the Cache incase to,
How to Clean App Cache on Samsung Galaxy S8 and S8+
If you would like to perform this task for all installed applications, this can be done easily. Follow the below steps:
if after all that it still doing it I say do a factory reset (make sure you have backups set up)
From Android OS
That's about all you can try (unless any one else knows of more) at this point if the noise is still there go to the retailer with the fault or visit a Samsung shop. Hope this helps you out
Thanks for the reply, I've actually just this minute sorted it out. I bought a case that I can store my cards in and it was the NFC connecting with my card, I don't know why it only happened at unlock but turning NFC off has done the job.
Okay, my phone is on the table nfc and bluetooth both disabled and it goes beeeeeep for about 3-4 seconds... and that aint a normal beep its extremely high pitched sound that made me deaf after the sound goes for 2-3 secs... the next one happens minutes after that .. i tried to contain it by closing all apps, turning on silent mode and even locking the screen didn't have any effect and what ever i tried nothing worked at that time.. it again goes on twice for 3-4 secs after that... any suggestions or help is welcome...
What was the solution for the smoke detector beeping? I've now recently started experiencing the issue. NFC is off. It seems like a location beacon to find a lost phone except someone is searching for mine.