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Galaxy S5 keeps disconnecting Bluetooth connection to headset, other issues

The #Samsung #GalaxyS5 has been around. Released in April 2014, this once proud Samsung flagship is now overshadowed by the newer S6 but it doesn’t mean it’s obsolete. We know that there are still millions of S5 users out there. But just like any other great smartphone today, this phone isn’t perfect. Below are some of the issues we have collected so far:

  1. Galaxy S5 stops charging
  2. Galaxy S5 battery not working after leaving phone unused for months
  3. Galaxy S5 keeps disconnecting Bluetooth connection to headset
  4. How to delete a shared Google calendar event
  5. “Turned off by administrator encryption policy or credential storage” error on Galaxy S5
  6. Galaxy S5 random reboot issue
  7. Galaxy S5 screen goes black when it’s cold

If you are looking for solutions to your own #Android issue, you can contact us by using the link provided at the bottom of this page, or you can install our free app from Google Play Store.


Problem #1: Galaxy S5 stops charging

Almost 2 weeks ago, my phone stopped charging correctly. I had it on an OEM charger and the battery percentage was decreasing. I use OEM chargers at work & home. I did a soft reset, that didn’t work. At some point it went into factory/hard reset by itself. I had to take the battery out to make it stop. I went to the sprint store, they said it was the battery and gave me a new one. Well, with the new battery this is still happening. Today I did a factory reset and have the same problem. On occasion, it doesn’t register the charger at all, but mostly it decreases until it dies, and then it will charge. It charges fine in the car, with the new style plug, but not OEM and it works fine on the charger that is for my different branded tablet. I have had this phone for a year and a half-ish, and have had this happen on other Galaxies, but generally a new cord or soft reset work. Too soon for an upgrade, how do I fix this? Also, what would you recommend for my upgrade? Galaxy 6+ Edge or the Note 5?  Thanks! — Carly

Solution: Hi Carly. Looks like you have an issue with your OEM charger. That the phone charges fine with other chargers clearly illustrates that fact. We don’t have an explanation what triggers the charging bug when using the OEM charger though. It may be a shorted cable on the charger itself, or perhaps a malfunctioning chip on the charging brick. Whatever the case might be, we recommend that you simply stay away from Samsung chargers until you can upgrade your device.

And speaking of an upgrade, your choice between Galaxy S6 Edge and Galaxy Note 5 depends on your personal digital need. Quality- and design-wise, both of them are at the same level. The Note 5 is bigger and bulkier than the S6 but it does include the stylistic and excellent S Pen. The Note 5 is of course an excellent alternative to your laptop or TV  when on-the-go due to its bigger display. The cameras and processors of both devices are exactly the same. So are their software. Hardware-wise, they are the undisputed king in their class.

The one thing that you might want to look into may be the battery capacity. The Note 5 sports a 3,000mAh battery while the S6 Edge only has 2550 mAh. The difference means you can stretch usability of the Note 5 longer before charging again.

Both devices are actually in close competition but if you want to save a few bucks, going after a Note 5 will do.

Problem #2: Galaxy S5 battery not working after leaving phone unused for months

Phone sat idle for 6 months. Charged battery and attempted to turn on. Phone powered up then screen went black and unresponsive. I’ve tried the soft and hard reset steps listed online, removed battery and left idle for 5-10 min and then tried steps again. As of now everything has failed and the phone is completely unresponsive to any input. Could the battery have just died completely as the phone is a couple of years old? How can I test the battery and what other steps should I take? The phone worked well when I last used it and was considering putting it back into service.

Thanks. — Rich

Solution: Hi Rich. Lithium-based batteries self-discharges even if not used for a long time. It is usually recommended to remove a battery from the device if you plan to leave it unused for over a month. Not doing so may result to significant capacity loss for the battery. The battery must also be stored in a cool dry place. Too much heat or cold can result negative consequences.  If the phone was not stored properly when it sat idle for six months, there’s a chance that the present battery may have permanently lost its capacity. Try using another battery to see the difference.

Problem #3: Galaxy S5 keeps disconnecting Bluetooth connection to headset

While using my Plantronics Edge or Legend headset, the Bluetooth connection with my Samsung Galaxy is intermittent.  I will hear the phone ring in my ear, answer it and the bluetooth connection is lost and I have to pick up my phone.  My S5 is running Android 5.0 and Kernel version 3.4.0.

The same problem occurs when I make a call:  I hear the other person’s phone ring in my headset, then when they answer my call the Bluetooth connection is lost between the headset and the phone.  The calls are never dropped, just the Bluetooth connection is lost.

If it just happened with one headset, I would blame the headset, but it has happened with the Legend and two Edge headsets.

Please help.  It is very frustrating. — Erik

Solution: Hi Erik. This situation sometimes occur after a system update. If you installed an Android update prior to noticing this issue, there are 3 things that you can try:

  • re-pair the Bluetooth device to the S5.
  • wipe the cache partition.
  • perform a factory reset.

For easy reference, here are the steps on how to delete the cache partition and do a factory reset:

How to wipe the Galaxy S5 cache partition

  • Turn the phone off.
  • Press and hold the following buttons together: Power, Volume Up and Home.
  • Release the buttons once the Android system recovery menu appears.
  • Use the Volume buttons to navigate to Wipe Cache Partition option.
  • Press the Power button to confirm selection.
  • Select Reboot System Now option after deleting the cache. Wait for the phone to reboot.

How to factory reset a Galaxy S5

  • Power down the Galaxy S5.
  • Press and hold the Volume up button, the Home button, and the Power button together until you see the Android on screen.
  • Use Volume down to highlight the wipe data/factory reset option and press the Power button to select it.
  • Use Volume down again to highlight Yes – delete all user data and press Power to select it.
  • Use the Power button to select Reboot system now.
  • When the S5 restarts it should be completely wiped and ready to set up again.

Problem #4: How to delete a shared Google calendar event

I can’t delete an event that my wife had put on her shared Google calendar last Aug. It was a one time event on her calendar, but shows as recurring event on mine. It doesn’t show on her calendars, our PC or tablet calendars, but is showing up on my phone calendar for entire 2016. I can’t find how to delete it, though seems like it should be done on her calendar. Have done reset of phone. I use the Samsung calendar and sync to Google. I loaded official Google calendar from app store and it shows there as well, but only on my Samsung S5, nowhere else. Don’t know what to do. Thank you. — Bill

Solution: Hi Bill. Deleting a shared Google calendar event on your device needs permission from the original owner. You will know if you have the permission to do so because these three options will be present:

  • Only this instance: Delete this event, but keep all the other recurring events
  • All events in the series: Deletes this event, past events, and future events
  • All following: Deletes this event, and all the future events

If you don’t see these options when you try to delete the recurring event, ask your wife to go over her Google calendar again and make sure that all events are cleared.

Keep in mind that it may also take some time before a shared event is deleted on all devices. Contact Google support for more information if the issue persist.

Problem #5: “Turned off by administrator encryption policy or credential storage” error on Galaxy S5

I have a password on my screen lock I want to take it off but the option to take it off is not available. It’s greyed out and not available with the message “turned off by administrator encryption policy or credential storage”. I also have a password when restarting device. Have gone to AT&T store employees couldn’t figure it out told me to call AT &T because they said it looked like a company account security but AT&T said no nothing on my personal account then they sent me to Android helpline they told me go online and get a reset code but that’s just for unlocking to move device over to different carrier so that didn’t work either so hope you can help if not I have to get a new phone and hope SIM not affect. — Dione

Solution: Hi Dione. You need to delete any credentials on the phone to fix the issue. Just go to Settings > More > Security > Clear Credentials.

Problem #6: Galaxy S5 random reboot issue

Reboots 1-15 times an hour without prompting (average is probably 8-10 times). Sometimes the screen just goes black and I have to do a maintenance boot to get it to restart (but it always does restart). Doesn’t matter if I’ve shut the phone off; doesn’t matter if it’s on wireless or 4G; doesn’t matter if it’s plugged in and charging or plugged in and not charging or not plugged in; doesn’t matter if it’s in airplane mode; doesn’t matter if it’s just rebooted or hasn’t rebooted for an hour; doesn’t matter what applications are running (or not running), doesn’t matter if bluetooth is on or off. There is plenty of memory (I’ve uninstalled and reinstalled damn near every app because of this, multiple times). Volume, home, and power buttons otherwise working as usual. Thx for your help. — Jennifer

Solution: Hi Jennifer. This may be a bad battery issue. Consider replacing the battery to see the difference. A failing battery sometimes manifest in random reboots. If the issue recurs even after using another battery, try doing a factory reset (steps provided above). If that won’t fix the issue either, that’s an indicator that the device itself has a hardware problem. Bring it to Samsung and have it repaired or replaced.

Problem #7: Galaxy S5 screen goes black when it’s cold

The screen goes dark when it’s cold! Ever since the temperature dropped, if my phone is not in my pocket and body temperature, I can’t use it! Even if it is ringing, which means it is working on the inside… This didn’t happen last winter!

It has had a couple of mild tumbles in the last few months, but it seems like an odd side effect if it IS related to a fall. I change the battery often, so I seem to be doing the soft reboot steps all the time. Sometimes it does  work after that, but a few minutes in the cold air and it’s right back to where it started. I also run Advanced Task Killer and clear that often. I have avoided any OS updates because I didn’t like how they changed things on my husband’s phone. Any suggestions besides “keep it warm?” Thanks. — Donna

Solution: Hi Donna. The Samsung Galaxy S5, unlike its predecessor the S4, does not ship with a temperature sensor so the chance of a sensor going nuts is out of the question. There must be another reason why the screen fails to function properly when temperature drops. We suggest that you have the phone, especially the display assembly, be checked by professional to see if there is a bad circuitry somewhere.

Keep in mind that a touchscreen responds to warm temperature of your fingers. If your fingers get cold, the touchscreen may not fully detect your inputs and will eventually reverts to a black screen in sleep mode. Try adjusting the screen timeout clock to see if that makes a difference.

If you are constantly outside or in a cold environment, we also recommend that you get a touch screen responsive gloves so the digitizer will detect your inputs properly.



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If you are one of the users who encounters a problem with your device, let us know. We offer solutions for Android-related problems for free so if you have an issue with your Android device, simply fill in the short questionnaire in this link and we will try to publish our answers in the next posts. We cannot guarantee a quick response so if your issue is time sensitive, please find another way to resolve your problem. 

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