WiFi hotspot keeps disconnecting - Xperia Z1 Q&A, Help & Troubleshooting

I'm having problems on my Z1 C6902 the wifi hotspot always disconnects and i have to turn off and then on the wifi hotspot again for the PC to be able to find the network again to connect. It disconnects at random intervals not always at a given specific time and I made sure to check the settings to keep the tethering always on.
Thought it was a firmware problem but it's the same after updating it to 4.4 from 4.3 (stock firmware).
any one has the same problem and found a solution?

No soution?? I've realized this problem when i left the hotspot on to download gta v . But when i woke up , the wifi cant detect my z1 hotspot. Really need a solution . Sorry for the bad english

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[Q] Wifi issues - connected to wifi but no data

Hi folks
Since I updated to JellyBean (JellyMod currently) I have an issue with my wifi connection.
It shows connected but i cant transfer any data (every app fails to establish a connection) until I turn off the wifi and turn it on again. then it ill work for some time and fails again after a not defined period of time.
I found a lot of threads regarding similiar problems but I did not find a solution yet (and for me having a rooted phone installing an app that that runs in background like wifi fixer is a workaround, not a fix
I already did a complete factory reset and fresh install of jellymod.
My router at home is a netgear wndr3700 with the latest dd-wrt. all my other devices work great.
I set the wifi of my i9070 to always on. also i installed auto wifi for location based wifi on/off-profiles.
all of this worked with gingerbread, never had problems...
any idea? seems like a lot of galaxy phones and even tabs are affected...
Thanks in advance!

[Q] WiFi problem

I have problem with WiFi on my new RAZR i.
It is working fine for one or two days. After that I'm getting strange behavior.
When I turn on the WiFi, phone connects to WiFi network but after I while WiFi connection is lost and after that it is unable to find any network.
Turning airplane mode on and off sometimes helps. Reboot of the phone (shutdown and power on) always helps.
What can it be? Hardware? Application? Bug in 4.1.2?
Hi.
Is this on just one wifi device (home?) or you see this behavior everytime (mean everywhere) you use wifi? There is sometimes some strange uncompatibity issue between devices. I have HUGE problems with Belkin and TP link, while Airlive (Ovislink) products work stable with my Razr i.
I see that every time (mean everywhere) when I use WiFi. I have removed WiFi manager and Skype and now it is working fine. I'll test it a little bit longer to be 100% sure.
After that I will install WiFi manager and Skype once more to pinpoint the problem.
Have you gone into your WiFi and gone into advanced and unchecked avoid poor connections? That was causing me a major problem because my phone almost had a choice in whether to connect.
Sent from my rooted XT890 with unlocked bootloader using xda premium :3

Wifi on/off problem

I've been having an issue with the WiFi connection lately. I have it configured for always on if connected on suspension.
But in the last few days I've picked my phone after leaving it like an hour and it's on LTE and the WiFi turns on. The WiFi connection was always on because I was using it with no problems on a laptop.
Is someone having this problem? I've searched but the only post I find is someone having the opposite problem.
I'm running stock 5.1 no root.

wifi problem

hi,
i installed cm11 and cm12 on my Motorola droid 4 and in both i have the same problem, when i use the wifi sometimes the internet stops in the mobile but the wifi is still connected, when i turn the wifi off and on again it come back. i don't have this issue with cm13 but android 6 is heavy on my mobile. i tried some solutions like delete /data/misc/wifi files and reboot, change wifi advance settings, nothing works.
when i download my apps from the store randomly the internet stops but the wifi keep connected and sometime it come back by it self, but mostly i have to turn on and of the wifi or reconnect again to the network.
also i make factory reset before install the rom, i used these roms (cm-11-20150201-NIGHTLY-maserati.zip, cm-11-20150901-SNAPSHOT-XNG3CAO3G0-maserati.zip and cm-12.1-20160120-NIGHTLY-maserati.zip)
is there any solution for this issue? please help.
thx

Wifi constantly dropping after 58.1.A.5.441 update [w/ workaround]

My XQ-AT52 (dual sim HK) became unusable after recent 58.1.A.5.441 update. Wifi constantly connects - disconnects every few seconds, and after several tries, it gives up then nothing would show up in wifi list. Tried airplane mode/reboot/factory reset/software repair and no luck.
After hours of desperately poking around settings and google, a weird workaround was found: turn on hotspot first, then connect wifi like usual. It keeps connected and fully working until the second hotspot gets turned off. I guess maybe an overly aggressive battery-saving rule was introduced in the update, wrongfully shuts down normal wifi connections and got overridden by hotspot. But I can't find any proof in logcat.
Hopefully this will be fixed in the next update.
Edit:
Upgrade to 58.1.5.474 did NOT fix this problem.
Upgrade to 58.1.5.530 and problem fixed.
I'm having a related issue with Xperia 5 II (XQ-AS52 Dual), seemingly since the same update 58.1.A.5.441.
For me the problem is that 5GHz networks work fine for around one day, then they get disconnected for no apparent reason. At this point, 5GHz networks won't show up in the list of Wifi networks until I restart the phone. Then I can see and connect to 5GHz again but the same problem re-occurs after around one day. Really annoying !
No issue though with the 2.4GHz networks apparently.
I wanted to downgrade to the previous firmware to confirm my suspicion, but can't find it on the web for my region (EU).

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