Why Does My Note 4 Continuously Freeze for About 20 Seconds Every Couple of Minutes

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• #1

Hi guys, hope someone can help.
I've had my note 4 just over a year now and not had any problems at all. I've always had notes 1 2 and 3 and now 4.
Never bothered rooting the note 4.
So..... out the blue my phone starts restarting and freezing regular. I'm talking 15-20 times per day.
Got no idea why but got so frustrated that I restored phone back to factory settings and it's still doing it.
Anyone know why this might be.
I'm 90% sure it's not memory as I have a 64gig memory card in it. And don't actually have many apps downloaded.
I've cleared all cache as well via apps and also via the volume up power and home key method.
Please tell me someone knows what the problem is here as I did searches on Internet and many are having the samended problem.

• #2

After doing some research on older threads. I noticed few mentioning a fix when their removing their sim card so I gave this a try with little hope and amazingly it's worked. I've opened up around 10 different apps and really straining the phone. Not 1 force close, freeze or reboot.
So what on earth is going on here.
What is my EE chip doing to cause these freezes and restarts.

• #3

excuse me

What is your Note 4 model ???

Exynos or Snapdragon ??!!

• #4

Not sure where I get this info. My phone is not rooted.
But under model it says....... SM-N910F

• #5

Do you know what the problem might be?

• #6

Now for the really weird part.
As stated, when I remove the sim card the phone works perfectly. No lag or freezing or restarts.
So I don't some more investigating and added the sim back and removed the SD and still no lag freeze or restarts.
What on earth could be causing this issue. Whenever I have I have my sim and SD in together the phone goes wild and won't stay on without freezing or restarting.

Deleted member 1198227

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• #7

Now for the really weird part.
As stated, when I remove the sim card the phone works perfectly. No lag or freezing or restarts.
So I don't some more investigating and added the sim back and removed the SD and still no lag freeze or restarts.
What on earth could be causing this issue. Whenever I have I have my sim and SD in together the phone goes wild and won't stay on without freezing or restarting.

Try deleting everything from microsd, and reformat it in other format, eg fat32

• #8

It's getting more and more strange. If I have both SD and sim card in the phone then it constantly freezes and then restarts but If I remove 1 of the 2 then the phone is fine. No problems with just sim or just SD. So I'm under the impression now that the sim and SD between each other are causing problems.

Dec 14, 2004

1,325

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Perth

• #9

N910G (stock, unrooted) here, exactly the same thing.

So I factory reset it, now and its still doing it. with or without the sim or microSD

I also notice that provided i keep the screen active it operated fine, the moment i let it sleep i started getting issues.

the device is pretty much a semi brick now

• #10

I think I found a solution to this issue since my phone has been experiencing the same thing. I would credit the OP that posted this solution as soon as I find where I got the information from. But anyhow, much like your phone my Note 4 N910T started to lockup/freeze/reboot. This lockup and freezing would occur mostly when I power my screen on and proceed to unlock it.

Step 1. Download Wake Lock from the Play Store
Step 2. Enable Partial_Wake_Lock and set it to number 4
Step 3. Enable Auto-Start

This has fixed my issue with the random freezes, but my battery drains slightly faster.

• #11

I have been having issues lately, too! Also a N910F model.
A couple months ago the device was acting weird and being real slow with loading photo's and stuff that was stored on the MicroSD. So I removed the MicroSD and the problem seemed to be gone.
After a couple weeks the device began acting like the Topic Starter is describing. Note, I was running custom roms and thus was rooted. So I thought I messed something up. So I backed everything up, wiped the Note 4 completely with TWRP, then I went to install the latest odin *.tar.md5 file and the device seemed to be acting normal again.
Then after a couple days it would act up again!!! So I decided to keep the Note 4 off for a while and use my Galaxy S5 instead I still have laying around. This means I switched the SIM card from Note 4 to S5.

But then I missed the bigger display and the S-pen. So I tried again.... doing a full wipe via the stock recovery and install, again, the latest odin tar file. That is running fine for like 3 days now so I hope it will stay finally okay now.
If it starts acting up again I might temporarily use the Galaxy S5 again or start thinking about buying a S7 Edge or wait for the Note 6 to pop up..

• #13

took my phone to a shop and the guy told me it's defo the mother board, he said many note 4 owners have this problem after a year or so, but also told me that samsung give out a 2 year warranty, but the problem is, i'm now rooted, so not sure what to do now.
phone is restarting and freezing every 10mins and i'm on the verge of smashing the thing off a brick wall.
if anyone thinks they can help, please get back to me asap.

Dec 14, 2004

1,325

175

Perth

• #14

Well I got sick of it and traded it in for a Nexus 6p (with full disclosure of the problems).

While I miss one hand mode and the stylus and the removable battery, God damn but the Nexus 6p craps all over the note 4 for performance! This thing is super snappy!

Sent from my Nexus 6P using XDA-Developers mobile app

yesteryearisoverhere

Guest

• #15

took my phone to a shop and the guy told me it's defo the mother board, he said many note 4 owners have this problem after a year or so, but also told me that samsung give out a 2 year warranty, but the problem is, i'm now rooted, so not sure what to do now.
phone is restarting and freezing every 10mins and i'm on the verge of smashing the thing off a brick wall.
if anyone thinks they can help, please get back to me asap.

There's not much else you can do I reckon. Either let the guy repair it or repair it yourself.

That sucks though, I hope it doesn't happen to me.

• #16

problem is, he told me he cant fix it, as a new motherboard will cost me almost the same amount as a new note 4. not worth doing.
he basically told me to unroot my phone and put original rom back on and just take it to Samsung and prey they don't check it.
not sure what Samsung procedure is but i got a feeling its not going to end well.

• #17

took my phone to a shop and the guy told me it's defo the mother board, he said many note 4 owners have this problem after a year or so, but also told me that samsung give out a 2 year warranty, but the problem is, i'm now rooted, so not sure what to do now.
phone is restarting and freezing every 10mins and i'm on the verge of smashing the thing off a brick wall.
if anyone thinks they can help, please get back to me asap.

Hi I have the same problems with my SM-N910F, is that info about 2 year warranty from Samsung is true? Because if is true I can try to replace my phone.Is nightmare I was trying everything factory reset, but nothing help.Still doing thant swich off, freezing.

Sent from my SM-N910F using Tapatalk

• #18

Mine is a N910C model (Exynos) and is totaly innoperate. After turn it on it shows the first logo screen and freezes. Sometimes it keeps looping on this screen and not go ahead. I've tryed new firmware, resets, wipes and nothing. Is there someone that knows what I shoud do besides throw it away?

• #19

Having them same problem with my note 4 I've had it for a year and 3 months now. About ready to dump it in the toilet! What does it mean to have your phone rooted? Really want to fix it as a new phone is not in my budget

• #20

My phone is freezing and restarting ever since the 6.0.1 update failed once, I got it to go through finally but it hasn't been good. I've tried erasing and loading new OS through smart switch and it's still having problems. Should I try a custom firmware?

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Source: https://forum.xda-developers.com/t/note-4-keeps-freezing-and-restarting.3348821/

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