Wifi not working properly - Xperia Z3 Q&A, Help & Troubleshooting

Hi, for a couple of weeks i'ts been impossible to use Wifi in my Z3. It's a loop, connect - couple of seconds - disconnect - scan.
Here's a video: https://www.dropbox.com/s/vl8221j836kliky/ScreenRecord_2016-05-04-18-58-54%5B1%5D.mp4?dl=0
I tried to solve the problem from the smartphone and from the router.
- Changing wifi channels
- Using another security and encryption
- Trying 2.4ghz and 5ghz
- Static IP
- Safe mode
- Disabling optimizations
- Changing rom
Any help? I really need to solve this.

I have the exact same issue on Xperia Z3 Dual Marshmallow. Have tried everything but it just disconnects and then reconnects again. Other phones are working fine with the same Wifi.

All networks or just this one?

It was with all networks. I repaired the phone software yesterday with Xperia Companion and so far it seems to be working fine now.

Related

[Q] About Wi-Fi in Xperia X8

Hello,
I've installed on my X8 Froyo Pro v01 for X8 (Revised from FroyoBread) from XDA-RK. The rom works fine except that im having a problem with the wi-fi. In his features he says "Wi-Fi "n" Standard enabled" and when i tried to connect to my router after the installation of the rom the router actually crashed! No connection was warking even with ethernet. I've tried this a couple times (by restarting the router) but without luck. What i did in order to make it work and connect to wireless is that i change the wi-fi in the router to use mixed mode for B/G devices. I was wondering if there's a way to disable the N setting in X8 or do something else in order to make it work.
Thanks in advance.

[Q] Major (home) WiFi connection issues

Hi. Yesterday I got my new Z3, and since then, I've had nothing but WiFi trouble.
My basic home setup:
Linksys EA4500
1 Mediapc with Plex installed
1 Sonos speaker
1 Chromecast connected to my TV
3 pads (samsung, sony tablet z)
Several android phones
Until yesterday (and exept with my Tablet Z - more on that later) my network works as supposed. All units can talk to each other, and most important, my phones and tablet can ALWAYS find and use my Sonos, Chromcast and Plex server. I have a Nexus 5, SGS3, SGS4 and more, and all are connected. Always. Without hickups.
Not so with the Z3. Althoug it says I'm connected - and I can indeed reach outside websites like cnn.com etc.. more often than not the in-house resources are unavailable. Early on I remembered that my Tablet Z had a similar issue, but turning off the Stamina modus on that one always solved the issue. Again, not so with my new Z3. No matter how many functions I turn off - starting with Stamina mode - I'm unable to reach my Plex server, find the Sonos or Chromecast devices. Also, restarting the device or the router don't seem to help either. Even more frustrating, suddenly the phone will find the resources, only to have them drop out again two minutes later... even if the screen was on all the time (did not go into stand-by).
I've turned off all the functions that was part of the reason I bought the phone...
I've changed the router setup to have mixed modes and all other tips I've found on the forums...
I've tried setting a static IP-adress for the phone on the router, and although it lists the phone, still no luck...
(beside the fact that all other devices still connect and work as expected)
I'm extremely frustrated. This is a premium device with a premium pricetag, and I cannot trust it to even connect and use my own WiFi setup.
So in short - please advice.
Schildkamp said:
Hi. Yesterday I got my new Z3, and since then, I've had nothing but WiFi trouble.
My basic home setup:
Linksys EA4500
1 Mediapc with Plex installed
1 Sonos speaker
1 Chromecast connected to my TV
3 pads (samsung, sony tablet z)
Several android phones
Until yesterday (and exept with my Tablet Z - more on that later) my network works as supposed. All units can talk to each other, and most important, my phones and tablet can ALWAYS find and use my Sonos, Chromcast and Plex server. I have a Nexus 5, SGS3, SGS4 and more, and all are connected. Always. Without hickups.
Not so with the Z3. Althoug it says I'm connected - and I can indeed reach outside websites like cnn.com etc.. more often than not the in-house resources are unavailable. Early on I remembered that my Tablet Z had a similar issue, but turning off the Stamina modus on that one always solved the issue. Again, not so with my new Z3. No matter how many functions I turn off - starting with Stamina mode - I'm unable to reach my Plex server, find the Sonos or Chromecast devices. Also, restarting the device or the router don't seem to help either. Even more frustrating, suddenly the phone will find the resources, only to have them drop out again two minutes later... even if the screen was on all the time (did not go into stand-by).
I've turned off all the functions that was part of the reason I bought the phone...
I've changed the router setup to have mixed modes and all other tips I've found on the forums...
I've tried setting a static IP-adress for the phone on the router, and although it lists the phone, still no luck...
(beside the fact that all other devices still connect and work as expected)
I'm extremely frustrated. This is a premium device with a premium pricetag, and I cannot trust it to even connect and use my own WiFi setup.
So in short - please advice.
Click to expand...
Click to collapse
maybe the no. of devices connected to your router is limited? try removing some devices from your server and try it..
Settings > WiFi > Menu > Advanced > Uncheck "WiFi Optimisation"
See if this makes a difference as it disables all power saving features related to the wifi chip.
Mine was useless. But swapped router and seems fine now.
Try a factory reset on the router, clears all data but leaves original passwords and stuff, if you've not messed with the router, then it's a simple fix.
If you have messed with the router then it might be a setting you tweaked. So a reset may help.
Either way, worth a shot

[Q] Phone will not connect to Wi-Fi at work

I’ve received my One on Monday. It’s working very well except it won’t connect to the Wi-Fi network at my work place.
1) The phone connects without problems to my Wi-Fi at home
2) I have the exact same Wi-Fi settings for the work network than the ones on my other android phone which was connecting just fine to this network.
I’ve rooted the phone but otherwise I’ve not changed either the ROM or the kernel.​Any idea what might cause this or what I could do to fix it?

[Completed] Problem with Wifi Connection, no common issue

First of all thanks in advance for your support.
I have a rooted android Tablet Szenio 785qct with Android 4.2.2, it was working very well but the battery and the wifi had problems.
I thought that the wifi problem was in relation with the battery power, but after the replacement of the battery it persists.
The problem is very strange because:
- I switch on the wifi.
- It looks for the wifi connections.
- It Connects and an IP is assigned.
- But it does not navigate in internet.
- The info of the wifi connection says that is connected at 0 Mbps. The signal is full, i am near the Access point.
- DNS is assigned ok.
- File hosts is clear. (only localhost 127.0.0.1)
- I can connect with Ethernet wire or with bluetooth to my mobile phone shared connection and it can connect to internet. But not with wifi.
After this, I have searched for this problem in any way, but I did not find anything.
I dont know if it could be a bad configuration…
I would appreciate an idea for this…
Hi !
Sometimes this happens after a software update , try to reset the wifi router
Good luck !

LENOVO TAB 2 A7-10F + TP-LINK Archer C25 impossible wifi

Hi,
I have some wifi issues with my tablet, it does not like new Archer C25 but it still works just fine with the old TL-WR841N.
The issue looks like this:
- connecting to my wifi - no problems
- download an app from play store - no problems
- try again - no internet - still connected to the wifi :crying:
- turn off wifi and turn it back ON - internet works for a couple of minutes and back to start
Nothing works to fix it what i tried already is:
- fresh bloody android flash, and downgrade
- factory resets
- changing router settings: security WPA/WPA2, TKIP, AES, channel, transmit power - nothing works
- tried some android apps called wifi fix - nothing works
New router has no problems in terms of stability with any other device: 1 PC via LAN, 1 laptop via wifi, 3 android phones 1 of which on 5Ghz bandwidth.
This is so stupid incompatibility i have absolutely no idea whats left to check. HELP

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