Oreo problems - Samsung Galaxy Note 8 Questions and Answers

Hi I appear to have 2 issues - first is battery life is 10-20% lower than before and smart lock by location is doesn't work effectively mostly need to enter pin number to access phone when at home.
Anyone else having problems and found a fix? Exynos UK Sim free.

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Got the phone and not sure whats the problem

Guys so I got the phone like 3 hours ago and I'm not sure if the phone is legit or defected.
the 3g/2g or GSM reception is quite poor compared to my previous ultra budget phone Huawei y300. not my main concern but still
I think there is wifi issue as I can't log into Fruux app through it. It says "network error' while i can log without a problem on PC
the OEM-specific Info/Settings options are greyed out. The IMEI number tag is also smudged
Double tap doesn't really work. I have to do it many times for it work
Could the phone be refurbished? The phone is very very good condition though externally and works performs well without lag.

Galaxy Note 5 4G data heating issue

Hi XDA team,
I have this phone for about 3 months now and it's been great for me overall. However starting last week, I started to experience a heating problem. Whenever I'm on data and on 4G connection, my phone heats up crazy, about 43° Celsius and I did not wait to find out how high it can get. This is without doing anything!
So I can say I'm not that really new when it comes to troubleshooting Android phones, I had my fair share of bricking my older phones due to tweaking, rooting, etc. However my Note5 is not rooted, dual sim version but I only use 1 sim.
I already suspected an app that might be causing it, but gsam can't really see what the suspect was (Now I realized, troubleshooting a non rooted phone is harder) so I want to safe mode. Now all my 3rd party eliminated, after turning my 4G on and locked the phone, it still heated. :crying:
So, I tried putting it on 2G or 3G and my phone does not heat up the way it does when it's on 4G, it only comes close to around 36° and this is normal while browsing.
It never did this until just last week, what are your thoughts?
I'm in the Philippines and I'm a Globe user, anyone experiencing the same? Does it have to do with the signal? Screenshot attached about my firmware.
If this is the signal strength then the phone will behave in this manner. Try going to a location with full signal and see if the same issue persists then give it to a service center and ask then reload the firmware.
Sent from my SM-G930F using Tapatalk
Happening to me right now. My Note 5 started heating up last monday everytime I use the 4g connection. I think it's not the signal strenght in the area since I've been using 4g/LTE since I got my phone last Dec.
I noticed that I was having a hard time connecting to 4g last Monday (August 22) then my phone started to overheat everytime I connect to a 4g signal. I tried formatting my phone then not install anything but still, it heats up.
I hope someone can help us with this.
I'm also from the Philippines, by the way.
its a known issue among users here....especially after upgrading to MM. It happened to me. If you still have warranty, you can bring it to Samsung Service Centers and based on the similar experiences of others, they will replace your unit with a new one.
Check the FB page "[Temp Group] Galaxy Note5 N9208 overheat and battery issue"
Does anyone tried reverting back to lollipop? Does it fix the issue? thanks

Note 8 keep dropping connection once a while. Cannot call, text, data.

Hi! Thanks for reading my problem.
I have a tmobile note 8 that I have successfully switched to verizon firmware according to the guide here. It got the verizon boot logo and bloatware just like vzw phone.
It work perfectly after the switch, 4g lte ,call or text all work.
But it will drop after a while of use. It can be a few hours or few minutes. I cannot receive call, cannot access internet, cannot make call...
If I restart it all will become working again for a while. Any recommendation how to fix it? Thanks again.
I have a note 8 (SM-N950F/DS) for about three weeks now. I am using FP on AT&T network. When I just got it, especially while I was moving in the car or train, it would lost the data connection quite often even though showing full bar signal. I had to put it on air plane mode then switched back to reconnect.
Then after 1-2 weeks of use, the issue went away. I don't know it was due to the latest update (I am on Dec security patch now) or some kind of the phone learning my travel pattern.
Benson830 said:
Hi! Thanks for reading my problem.
I have a tmobile note 8 that I have successfully switched to verizon firmware according to the guide here. It got the verizon boot logo and bloatware just like vzw phone.
It work perfectly after the switch, 4g lte ,call or text all work.
But it will drop after a while of use. It can be a few hours or few minutes. I cannot receive call, cannot access internet, cannot make call...
If I restart it all will become working again for a while. Any recommendation how to fix it? Thanks again.
Click to expand...
Click to collapse
caiwh said:
I have a note 8 (SM-N950F/DS) for about three weeks now. I am using FP on AT&T network. When I just got it, especially while I was moving in the car or train, it would lost the data connection quite often even though showing full bar signal. I had to put it on air plane mode then switched back to reconnect.
Then after 1-2 weeks of use, the issue went away. I don't know it was due to the latest update (I am on Dec security patch now) or some kind of the phone learning my travel pattern.
Click to expand...
Click to collapse
Interesting, My phone lost it while I m at work... not even moving
For the longest time I thought was alone here. VZ Wireless Note 8 user here. My signal also just drops out of no where. When I look at my screen the 4G LTE upload up arrow is the only one turning up and down. Sometimes this issue will go away on its own after a few minutes or longer. But, randomly out of nowhere this started to happen. Few weeks now and counting I'm guessing it has something to do with a update that I recently upgraded to. I never had this issue when I first had my phone.....
I also have the problem.. Also Verizon branded Note 8.
I see a global Android update coming to possibly address this
From Android Headlines (AH):
"New Android Update For Galaxy Note 8 Improves LTE Stability"
"The latest Android update for the Galaxy Note 8 was designed to improve the stability of the phablet’s 4G LTE functionality as it specifically addresses a bug that occasionally caused interruptions of such connections, as revealed by a changelog published by Samsung earlier this week. The update appears to be rolling out on a global level, with its distribution officially starting on Wednesday, 15 days after the Seoul-based phone maker launched the latest security patch for the same handset."
Starting this month..
Anyone with ideas how to resolve this in the meantime?
I am still having this problem after oreo update.. I don't think I want samsung anymore..
Ok guys those who have Verizon, go to settings, mobile settings and change network to cdma and reset your settings. Turn off the phone, pop the sim tray out, power up ur phone while sim is out and turn off the phone again, this time push ur sim card in and turn on your phone. It should solve the problem of signal being dropped. Good luck.

Network outage issues on Note8

Hi
I have been having issues with my Note8. It loses the cellular network periodically, and doesnt acquire it back. A reboot is required to get the network back but then doesnt last long. I have tried most everything. Listed in order
1. Reseating the Sim / Removing the SD card to check if that was an issue
2. Switching network from 4G to 3G to see if that was the issue
3. Factory reset a few times, including once while not installing apps and letting the phone run with less apps
4. Changing SIMs
5. Changing SIM tray with an S8
6. Using another network sim card
7. Running the phone in Safe mode.
I have exhausted everything that I can have done. Any other thoughts or suggestions?
Phone is within warranty so I can get it fixed, but the issue is that I live in a different country now and they will charge to just take a look at the phone.
Side effect is that while hunting for the network, the phone gets hot and runs down the battery.
I am hoping that there might be a software issue, as the phone does connect to the network for a while before losing connection.
Any help would be much appreciated.
Thanks a lot.
It looks like you have done all of the obvious stuff - it's starting to sound like a hardware fault to me.
Thanks! My worst fear unfortunately.
Was hoping someone might have a software solution or something else which I could try but...
i had same problem with 2 x galaxy s8
after they test for a month and big fighting with those F customer care
they replaced 1 with sealed box and the other one they changed the motherboard which doesn't help , still same problem
i sold both
Sent from my SM-N950F using Tapatalk

Note 8 - Motherboard replacement - Calling Problems - Everything Else Working

Hello,
So my original note 8 was N950F 256GB Dual SIM bought in 2017. It kept on working fine, until recently it started giving the problems in mentioned order
a. excessive battery drain
b. not being able to charge wired or wirelessly
c. complete blackout.
I went for a lookout of a replacement 256GB , and was able to find one on AliExpress, risky as it always is, i took my bets to order one after some correspondence from the seller who seemed legit and helpful.
Fast forward 22 days, I got the motherboard, installed in my existing body and housing, and voila it turned on and apparently seemed to be working fine. However i came to conclusion that it was originally a N950N (maybe Korea Dual SIM) motherboard which was flashed with the firmware/CSC/baseband for UAE reigon , maybe it was done by the seller knowing my location for ordering and the usage reigon. KNOX status was tipped as well, but it is not rooted as of now (maybe reverted to stock) , so all root sensitve applications (banking , netflix etc) do work as well.
The problem is, though everything works as intended. I am unable to place and receive voice calls reliably. Most of the time the outgoing call never gets placed on the network and drops after waiting for 8-10 seconds, and the incoming callers inform me that my mobile was out of reach for them to ring me.
I suspect it may have to do with the correct baseband not being compatible with local service providers.
Seeking expert help out here for the guidance , download location and the right combination of the firmware components to be used to bring the phone back to a reliable voice calling status to be used in KSA region
All help is much appreciated.
The information is as below :

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