My Samsung phone’s Wi-Fi and Bluetooth keeps turning off

The most probable cause is the battery since when the battery gets very low the phone goes into power save mode and the FIRST things it does is turn off WiFi, Bluetooth and GPS. AND - when the battery gets recharged they do not get turned back on - you have to do that.

The only thing you can do is to get a new battery. They do offer higher than OEM capacity batteries - BUT some of those don't include the NFC antenna - so you lose that function (if you need/use it) - so read the ads --- and reviews -- carefully before ordering.

For now that's all you can do. Maybe SOMEDAY they will come up with a near adequate battery - but I'd bet that's 10 to 20 years off!!

Also remember with today's battery technology even the BEST battery is good for only about 400 cycles - so if you charge it everyday - that's a little over a year. And despite what some may claim - overcharging is not a good thing - I've measured charge current - and when it says CHARGED - it only reduces the rate - it does not stop charging. (bet I get LOTS of flames on THIS part!!).

IMHO

I read somewhere that, if you put Bluetooth in "safe mode" that 3rd party apps could crash the network. An example they gave over and over were OBD II engine checkers. If you have one of these, try removing the app and see if the problem goes away. If the BT is constantly getting hit, that might explain your battery issue as well.

Batteries do need a replacement after 2 years. A spent battery may be causing this, maybe apower saving mode kicks in and shut off connections. With these sealed phones, the best bet would be to take it somewhere. If you have a Best Buy in the area, find out if they are one of the many that perform repairs for Samsung. If not, one of these after market stores that you can find everywhere, but I'd make sure that it's a reliable one.

Then, bad apps? You'd be surprised at the crazy things that some pretty reputable apps that went bad did to my phone over the years. You may want to try wiping your phone and starting clean, reinstalling apps one by one, as slowly as possible to have enough time to test the phone before you add a new one. Make sure you save all data residing in your phone (make sure your contacts are not saved on the phone!) take screen shots to remember what you had just in case and wipe the phone.

While I've not lost my Wi-Fi capability, I do lose the Bluetooth connection in my vehicle. I've learned to live with the "hands free" benefit of having my phone automatically recognized when I start my SUV. I did a chat with Samsung and within 15 minutes they had it all working just fine. They cleared my Bluetooth and reset it. I did use the Smart Tutor app to connect with them, but it was quick and clean. I assume you've already tried working with Samsung.

When the phone goes into energy saver mode, it turns off all but the telephonic external communications to conserve charge. It does not turn them on again during charging.

My wife's WiFi turned itself off without warning once on her phone and she started watching some streamed HD video in our living room, where we are normally connected via WiFi. It burned up our whole monthly data allotment in a very brief period which we only discovered when the "low data" warnings appeared on all the phones of our family plan. A call to Verizon Wireless resulted in a free two-month doubling of our allotment, so all's well that ends well, I suppose, but we've been careful ever since.

The S6 was a big mistake by Samsung, removing some of the features that made the S5 the best phone of its time. They corrected one of the two big mistakes for the S7 -- the elimination of the MicroSD card slot -- but retained the other, the no-longer user replaceable battery.

I would strongly suggest ditching the S6 and getting an S8, which will drop significantly in price beginning next week following the introduction of the S9, which is only an incremental improvement. For one thing, the battery is quite robust; even an entire day of heavy use usually only takes it down to about 50% or so. I have an S8+ and LOVE it (but don't EVER drop it -- it is the very epitome of Dilbert's "BSB" smartphone design concept: "Beautiful, Slippery, Brittle"). I will keep my S8 until G5 capabilities arrive next year, probably with the S10.

My trusty LG G3 started having this problem a couple of months ago. My forum-searches suggested a hardware problem, namely that the relevant chip, which on that phone at least, supports wi-fi and bluetooth) may have de-soldered itself. Most of the suggestions involved disassembly, and either inserting some cardboard to force better contact or applying heat to melt the solder so that it would re- flow. Not wanting to do this to a phone that was otherwise working, I instead purchased a replacement online for $65, complete with a 30-day return policy. I transferred stuff to the replacement and all was well for (wait for it) 31 days. Then it blue-screened on me and refused to restart, recharge, etc. The problem wasn't the battery (I have spares). So now that it was completely dead, had nothing to lose, and was past the return period, we followed the instructions found online for removing the motherboard and baking it in the oven. To our surprise, the fix worked (it's been about 2 weeks now). We may cook the initial phone at some point to see if that fixes the wi-fi & bluetooth problem.

I'm having similar problems with the note 8 however it is my location service that randomly shuts off which control the lock when I'm at home. It is incredibly annoying. My Wi-Fi would also not switch over to my data plan when Wi-Fi wasn't available then I would loose the connection. It has been hit or miss if it will work or not. I had similar problems with the note 5. I have considered a hard reset but don't want the hassle. The problems do seem to come and go with the software updates. I have also double checked and all of the settings are correct

Look up on how to put your phone in safe mode and see whether the problem recurs while in safe mode. If it does not, it is likely a bad app. Same thing happened to me on a Moto X Pure Edition. I spent several days uninstalling apps, testing and reinstalling them. Finally gave up. And waited. Eventually the app was updated and the problem went away. I will never know which was the killer app.

I have ZTE BladeV8Pro with a similar problem. In my case it is not the battery. I suspect it is something related to Android (6.0.1). Very annoying, but if it is not your battery, and you find a solution, please let me know.

I don't know what a battery replacement costs for an S6 but if it was me I would upgrade to S8. I recently upgraded my S6 to S8 Plus and the battery is an awesome improvement over the S6. I usually charged the S6 twice a day and it was a big hassle. With my S8+ I can go a full day and never drop below 45% or 50% and in stand-by (phone still on but screen off and apps closed) I can go to bed with 100% and wake up 7-8 hours later with 96% or 97%. The S6 would drop a good 15% or 20%. And in my opinion, even though the S6 is a great phone, the S8 runs circles around it plus you get a larger screen and a lot of other improvements.

Also I'm pretty sure the batteries are the same in the S8 and the S8 Plus.

hiya Kathie,

I've been having the same issue where WiFi just disables or goes offline - even though its enabled/turned on from the menu - , and I was suspecting issues with my WiFi module on the Samsung A7 phone.

but just few days, I went into the battery optimization part, and disabled optimization on all components and parts, and for the last 48 hours the problem has disappeared.

Given, that due to this battery is consumed much quicker,, I am trying to optimize the battery without impacting the Wifi/BT connections, but it might work for you too..

good luck
//ayman

I have frequent connectivity issues with my bluetooth (but never WiFi) using a new Galaxy S7 edge and Plantronics Legend headset. Not only will it just drop, but if I connect/disconnect the power cord it will also drop. It will almost always drop during a phone connection )between dialing a number and pickup). Both the phone and headset are new and charged, often fully. I have checked and rechecked my settings, but will take any suggestions that I've hopefully missed. Thanks for any help, John.

backup your data and reboot it once, all your problems will resolve.

I have the same problem with s6.. my wifi always shuts off then i get charged for data.. apps always open on their own when im not on wifi.
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