Samsung J700H dual sim WiFi connecting/disconnecting weird problem. - Samsung Galaxy J7 Questions & Answers

Here is a crazy one with Samsung J700H 2015 Marshmallow.
When I am at home: My J7 keeps connecting and disconnecting to my home WiFi every minute.
When I am at home: 2 laptops, 1 Lenovo android and 1 tablet work with no WiFi issues connected all the time so clearly modem is functional.
When I am at work or anywhere out connected on some other WiFi, my J7 work with no WiFi issues. It is connected constantly with no breaking up so clearly my J7 is functional.
So when I am at home all my devices have NO wifi problems but my J7 keeps connecting and disconnecting.
When I go out of home my J7 wifi works great.
Any advice is welcome!

It isn't possible that this didn't happen to anyone?
No suggestions, at all?

Hello we have the same issue..
All you need to do is to dial
*#0011#
And then click on the option the 3dots and click wifi
Turn OFF the WIFI Power Save Mode
And restart..
Viola..that's it
Hit thanks if successful

That works only with lollipop it doesnt work with marshmallow. Anyway I fixed it I bought a new router and now it works fine. Cable modem was making problems. I left both wifi network on and only cabel is making problems.

Related

[Completed] [Q] Acer A1-811, weird Wifi

Hello XDA-Team,
a few days ago i bought an used Acer A1-811.
Specs from about the Tablet:
Android 4.4.2
Baseband: Acer_AV0K0_MVmt8389kkv43_A1-811_1.022.00_WW_GEN1
Kernel: 3.4.67
Image Version: Acer_AV0K0_A1-811_RV02RC06_WW_GEN1
Build-Nummer: Acer_AV0K0_A1-811_1.025.00.WW:GEN1
Abbild-P/N: FM.NLXA0.064
No 3G-Sim inserted.
The problem/issue:
When i switched it on for the first time and connected to my WLAN, everything worked fine.
I´ve installed some apps from PlayStore and configured Home-Screens and so on.
Then i switched off WIFI to save battery.
When i switched WIFI on again it does not connect properly to my WLAN and has no connectivity to my Network, or the Internet.
The WIFI Status Icon in Status bar was red, not White as normal. Looking at the wifi-setup Screen, it Switches permant between connected, connecting, looking for a wifi, and so on.
Looking at the Status Screen on my router (Standard german O2-Router), the Tablet was not listed.
After rebooting my router the tablet connects immediately to wifi and works fine again.
So far, so good, but... after disabling wifi and enabling wifi again, the tablet does not connects again and the wifi Status Icon was red again.
Rebooting the router again and the tablet connects again.
Because of that, i do not switched off the tablets wifi over the night. But, next morning wifi does not works again.
After the following router reboot, the wifi Status Icon was still red, but now the tablet anyhow has Internet Access.
The Router cannot be responsible for that Problem, because i have a lot more wifi devices (Samsung Galaxy Tab2, Acer A210, LG Phone, Canon Printer, LG TV, Dell Streak 5, ...) in use, which i can Switch on and off as i like and all of them are connecting perfectly to my wlan.
Resetting the tablet pressing the pinhole, or give it a fixed ip-adress (even from the router) does not work, too.
Of course it is no solution to reboot my router every time the Acer A1-811 loss the wifi Connection.
I´m getting nuts...... does anybody could help please?
Thanks in advance
Edit:
Looks i´ve solved it ...
Changed routers wifi encryption from WPA-AES-TKIP to WPA2-PSK and everything works well.
Thread closed as OP solved his problem.

wifi wont stay connected. help?

I just bought the galaxy core prime from metropcs. I have wifi in my home that all other devices connect to with no problem. I typed in the wifi password and hit connect. It connects but then quickly disconnects over and over again. I have tried downloading wifi fixers and the 0011 turn off powersaving mode and nothing seems to work. Pleaseeee help????!!!! I depend majorly on wifi since I've also noticed my 4g is slow too.

recently found the problem of internet connection

my S7 edge was running all good
but recently i found that when i connect to the Wifi it will swap between Wifi and 4G randomly
i already turned off the smart switch function but problem is still there.
anyone can help?
Sounds like you have a problem with either the router in the house disconnecting, or the phone can't keep WiFi enabled

tethering problem, wifi connection constantly going on and off

My work network went down earlier so i thought i would just tether the laptop to my S8 over wifi and use my 4g connection instead. But the laptop constantly connects then disconnects about 2 seconds later, over and over again (I can see it in the hotspot settings on the phone thta it appears as a connected device then vanishes immediately after). Tried turning hotspot on and off again on the phone, made no difference. Normal wifi use on my phone seems ok, its just this wifi hotspot that doesnt seem to work properly. Using exynos version on AQDD.
I'm having the same problem tethering my s8 to my android head unit. I connected to my tv box just fine, but I see the same cycle as you when I try to connect to my HU. I previously connected my S6 to the HU with no issues. The only thing I can think of is I used Smart Switch to copy everything from my S6 to S8 and it copied tethering settings as well and maybe that messed something up. I've changed the network name and password but that didn't help.
I finally got mine to work. I changed the security setting to open, and it connected. I then turned on only allowed devices and added the mac address of the head unit.

Keep Wifi on during sleep -> does not work for me.

Hi,
i'm having Problem with the function "Keep Wifi on during sleep" on my S8+
Settings are:
Smart Network switch disabled
Wifi power saving mode disabled
Keep Wifi on during sleep: Always
But the wifi connection does not keep connected. To be more exact, the connection to the Accesspoint(mikrotik) stay's connected, but if i ping from a local computer, after about 300 ping's no more reply.
I need to ping the device for my home automatisation. (Owner is @home)
When i connect the phone to the power, the ping works fine all the time.
My Nexus 5X has the same problem. Android 8.0.0 (will do the update now)
Disabling the Mobile data does NOT help.
Stock rooted Rom.
Anyone else this problem? A custom rom?
Thanks
I have that problem on my work S8+, I think it may be mobileiron that's causing this though..
Any luck op?

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