1. goldenkumadanceparty's Avatar
    Okay, I'd like to start by saying sorry if this has already been asked before, but I've been searching for weeks and haven't been able to find an answer anywhere.

    I've been using my Galaxy Note 4 (SM-N910U) for almost 3 years now. It was running the factory installed version of Android from when I bought it (then updated to 6.0.1). Aside from a few light dings, there have been no incidents that stand out as being potentially harmful for the phone. My original battery started to die a few months ago, only being able to hold a charge for 2 hours with screen on. I bought a replacement battery from a Samsung retailer and have been using that for the past month or two.

    Recently I've found that when I go to choose a new ringtone by selecting "Add" from the ringtone picker and choose one of the songs present in my device storage, the screen will go black and the entire device becomes unresponsive until I restart it by removing the battery (Pressing the power button has no effect). It's really annoying and tedious. I have had no such issues with this phone before.

    Things I've tried:
    1) Taking out the battery and holding the power button for 2 minutes - no change
    2) Boot into Safe Mode - no change
    3) Factory reset - no change
    4) Flashing a new stock rom with MM 6.0.1 (N910UXXS2DQHF) - no change

    This device is also out of warranty, partially due to being 3 years old and partially due to me rooting it after... So returning it to Samsung for replacement is out of the question. I'm also new to flashing, so I'm not comfortable with trying to flash a custom ROM, mostly because I don't want to accidentally brick my phone, and also because they usually have bugs that make some of the features unusable (like fingerprint scanning)

    There is nothing on the internet about any of this, as I've said, and that really confuses me. I can't be the only one to ever have this problem, right? I'd really appreciate any help. Thanks.
    09-20-2017 11:59 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! Where exactly are the songs stored? You said device storage, so I assume this means Internal Storage, and not the SD card, right? Are the mp3 files in the Ringtones directory?
    09-21-2017 11:57 AM
  3. goldenkumadanceparty's Avatar
    The songs are stored in the internal storage, within the "Music" folder. There's about 7.5GB of them, if that's relevant. Some are .m4a files
    09-22-2017 11:34 AM
  4. B. Diddy's Avatar
    This probably doesn't matter, but copy one of the custom tone files to the /Ringtones directory, and see if that selects correctly.

    Also, does this happen in Safe Mode as well? https://support.t-mobile.com/docs/DOC-28897
    09-22-2017 12:22 PM
  5. goldenkumadanceparty's Avatar
    The problem is that sometimes the files select correctly - I'll go through 15 or 20 songs before selecting the one I want and nothing happens. But then sometimes on the 1st song the screen goes black.

    Also, yes. Problem is still there in safe mode. That's what prompted me to do a factory reset. Still no change.
    09-22-2017 12:34 PM
  6. B. Diddy's Avatar
    Are you actually able to use the m4a files as ringtones? I thought it was only mp3, wav, or ogg files that could be used as custom tones. Does the black screen correspond to when you use m4a?
    09-22-2017 12:36 PM
  7. goldenkumadanceparty's Avatar
    Can confirm - .m4a files can be used as ringtone
    09-22-2017 12:38 PM
  8. B. Diddy's Avatar
    Does it matter if you move the sound file to the /Ringtones directory and choose that one (as opposed to the file in the Music directory)?
    09-22-2017 01:15 PM
  9. goldenkumadanceparty's Avatar
    Yeah, I've been playing around with it for a few days now and the issue is still there even if the files are in the Ringtones folder. (There are 1200 files so it took a while - was testing specific files for odd behavior, but no luck)

    New development: On one occasion, I tapped a heads up notification from the Textra app to reply to a text message and the screen suddenly went black and unresponsive. When I started the phone back up again, my battery had dropped from 73% to 11%. I'm beginning to think this has something to do with that new battery I bought.
    09-26-2017 01:20 PM
  10. B. Diddy's Avatar
    Hmm, you may be right. Can you try exchanging the battery at that store?
    09-26-2017 02:09 PM
  11. goldenkumadanceparty's Avatar
    All right. I can't right now, though - currently busy with exams. Will post back in a few days.
    09-26-2017 02:57 PM
  12. B. Diddy's Avatar
    Good luck!
    09-26-2017 04:21 PM
  13. goldenkumadanceparty's Avatar
    Yup, new battery fixed the issue.
    11-25-2017 06:42 AM

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