Issues for turning on wifi - Galaxy Note 4 Q&A, Help & Troubleshooting

Hi, I have got my Note 4 with stock firmware DPH1, E-motion kernel r26 and root access.
Since yesterday in the afternoon I'm experiencing issues about turning on wifi.
If you try to switch on the wifi it tries but after it shuts off suddenly.
I tried to restart many times the phone and you can turn on the wifi only if you turn on the router wifi on phone and after you try to switch on the wifi.
This is only way to get the wifi mode.
Do you know how can I do to fix it?
Sent from Note 4 device - Rome - Italy

I had this exact same issue with my Note 4. Decided to update firmware to 6.0.1 and now I have the issue with WiFi toggling on and off constantly. What the hell is going on with our WiFi!!??

Related

[Q] Wifi issues NOte 3 SM N9005

Gents,
Bought an international note 3 SM N9005, turned the phone on, Wifi worked no problem down loaded a softwear update, after the update had wifi issues.
Can connect to wifi, after one min the internet explorer opens, wifi stays connected, notification comes up saying to sign into wifi network then get kicked off the wifi after 3 min.
Tried with different routers still the same. Tried all the advanced wifi settings from other posts still the same, turned off the wifi power saver using the key pad code still the same.
Rooted and installed 3 different roms and still have the same issue even when using different Kernals, but the Baseband is the same for all the roms so is the issue with the baseband?
Any thoughts or help would be appreciated its driving me crazy.

Wifi problems?

I'm having wifi issues at home (probably any wifi though, maybe?)
I've got plenty of devices using wifi at home and have never had these problems. Originally it seemed the Note 4 jumped on to "static IP" but I changed it to DHCP. Still though, it seems the connection just drops+reconnects really regularly so I can be using some app that requires wifi (i.e. chrome browsing) and then all of a sudden it'll just cut out for a few to many seconds.
Anyone else having these problems?
I'm having no issues with WiFi on my Note 4 Canadian model on Bell
Sent from my SM-N910W8 using Tapatalk
Samsung Galaxy Note 4, AT&T in the US
My issue seems to be the wifi radio 'hanging' during initialization. When I reboot the phone the wifi works great for a while, but sometimes when I turn it off (out of the house, not near a hotspot, etc), and then come back home and turn it on, it looks like it's starting to initalize, but never does. I have to reboot the phone and then it works again.
Anyone else with that issue?
Same problem here. After a while the WIFI connection will be instable and does reconnects. 5GHz or 2.4GHz freq. makes no difference as well the AP. A reboot of the device will bring back a stable connection for a while.
I think a stupid background process is the problem.

WiFi failure after hotspot turned off Note4 (SM-N910V) on 5.01

Hello.
I've noticed an issue with my phone. When I get to work in the morning, I enable the Verizon hotspot application. It prompts me to disable WiFi and I do so. It then stays on for 9 or 10 hours.
Before I leave work, I disable the hot spot and drive home. When I get home, the phone attaches to my network just fine. Gets an IP address. But every application on the phone reports no network connectivity. It does not matter if I cycle WiFi off and on. The only way I can fix it is to reboot the phone.
This was never an issue on my S4 and wasn't a problem prior to upgrading to v5 of the OS. Any thoughts on this?
The access point is a Cisco 1252AP. All of my other wireless devices work just fine.

Wifi problem

I'm having a problem with wifi.. after using hotspot I can't turn on wifi. The one way to fix is to reboot. Anyone having the same problem? I'm on latest build.
works for me
I m on build N2G47H.7.10.30 and the wifi issue after using a1 as hotspot as you said is not happening with me.
I'm on build N2G47H.7.12.7 and I am having the same problem.
Also, wifi often turns itself off.
Same problem...
I'm not facing this issue on the latest build (N2G47H.7.12.9), remember that when you enable the WiFi hotspot a pop-up clearly say that you can't turn on the WiFi while it is active.
i have the same problem after FACTORY RESET, did you guy fix it? I can not connect anything without wifi.

WIFI Issues with Nexus 6p

So recently I have been having WiFi issues with my nexus. Its strange because It will cycle saying "Saved", and "Connecting" but never connect to my WiFi. The weird part is that when I unlock my phone it shows that I have WiFi but as soon as I try to do something it drops WiFi and uses cellular data. It only seems to connect when it is sleeping. I have tried another wifi and it does the same thing. I have it updated to oreo the most recent update but that is when I have noticed this problem. I have tried factory resetting the phone but it still does the same thing.
I was wondering if I would run a custom firmware if that would help. Right now my phone is stock. I was planning on just following the guide to Unlock/Root/Flash https://forum.xda-developers.com/nexus-6p/general/guides-how-to-guides-beginners-t3206928
oster200 said:
So recently I have been having WiFi issues with my nexus. Its strange because It will cycle saying "Saved", and "Connecting" but never connect to my WiFi. The weird part is that when I unlock my phone it shows that I have WiFi but as soon as I try to do something it drops WiFi and uses cellular data. It only seems to connect when it is sleeping. I have tried another wifi and it does the same thing. I have it updated to oreo the most recent update but that is when I have noticed this problem. I have tried factory resetting the phone but it still does the same thing.
I was wondering if I would run a custom firmware if that would help. Right now my phone is stock. I was planning on just following the guide to Unlock/Root/Flash https://forum.xda-developers.com/nexus-6p/general/guides-how-to-guides-beginners-t3206928
Click to expand...
Click to collapse
I had a similar problem, dropping wifi and lte, turned out it was a greenify magisk module and the greenify app. Uninstalled and now have no problem.
What version is your radio and bootloader? The newest radios seem to work best for my 6p.

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