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[Q] Xperia T: WLAN troubles after upgrade to stock 4.3

Hello all,
am I the only one who experiences wlan trouble after the upgrade to 4.3?
The symptoms are :
It often can't see my home network at all, in fact it sees just one neighboring network (using WEP) at all where there should be about 8. Only a reboot helps in this situation (neither disabling/enabling WLAN nor switching in and out of flight mode does any good).
It often looses an existing connection with my home network. This is really bad, because in one instance it caused me to download a 100MB app update over my cellular connection. This really hurt.
The Hotspot is unreliable. When I try to connect to the phones Hotspot from my LG G pad 8.3, the connection often initially fails. Once again, the only cure seems to be a reboot of the phone (sometimes more than one reboot is required for reliable operation).
This is so frustrating that I consider to go back to 4.1 if there is no fix.
Any ideas?

That's odd... I don't have issues like that. Try to reflash the Rom using flashtool or repair your phone via pcc. Good luck!

I also have problem with lower signal. Not a tragic situation, but the signal is almost two lines lower than OmniRom.
I flashed italian release of 4.3 stock using this method: http://forum.xda-developers.com/showthread.php?p=50363622#post50363622

Same issue here with previous firmware though...
I was hoping upgrade would fix it (don't have it yet with SFR).
I have been reading the exact opposit in another post.
Wait n see...

I've noticed two things with WIFI and the official 4.3:
1) Being close to the router (about 2 meters, no walls) when in the living room) the WIFI indicator shows a weaker signal than it did with 4.1
And: the router shows my phone to connects with 150MBit via WIFI while it maxed out at 54MBit with 4.1
2) When in my office (about 11 meters from the router, 2 reinforced concrete floors and a few walls between phone and router) the WIFI indicator shows a way stronger signal than it did with 4.1
There's no change in connection speed but according to the router the phone signal is way stronger than with 4.1 (40 to 60% increase)
I haven't really looked into it, just skimmed the surface of this issue, since I noticed I don't get disconnected on VOIP calls anymore since the update when in my office

I think I found the trigger for my WLAN woes: it's Bluetooth! The LG g pad 8.3 comes with a companion app for Android phones. It allows the acceptance of calls on the tablet, among other things. If I have Bluetooth activated on my T and the App is running, wifi on the Xperia T is almost unusable, if I disable Bluetooth, everything seems fine so far.
Gesendet von meinem LG-V500 mit Tapatalk

I always have bluetooth turned off and I still got the wifi signal problem.
jpo234 said:
I think I found the trigger for my WLAN woes: it's Bluetooth! The LG g pad 8.3 comes with a companion app for Android phones. It allows the acceptance of calls on the tablet, among other things. If I have Bluetooth activated on my T and the App is running, wifi on the Xperia T is almost unusable, if I disable Bluetooth, everything seems fine so far.
Gesendet von meinem LG-V500 mit Tapatalk
Click to expand...
Click to collapse

Switch Wifi AP based och signal strenght

Hi guys,
I have two wifi AP:s at home with the same SSID and password (TP-Link AV 500) and I want to automatically switch to the AP with the strongest signal.
Anyone have a good profile for this? I am running Marshmallow.
Thanks in advance!
Skickat från min S7 edge

https://youtu.be/hkRx3taHTgM

frrancuz. said:
https://youtu.be/hkRx3taHTgM
Click to expand...
Click to collapse
Thanks for your answer.
I have already been looking at this tutorial actually but I have not tried it since comments to the video says that the plugin used ``Wifi connect´´ doesn´t work with MM.
Another thing is that the profile is for switching between routers with different SSID:s. I want to switch between AP:s in my home network connected to the same router/SSID.

Wifi issues

Hi! After update my phone a few days ago, I have problems with wifi. Sometimes I can't find my home wifi and when I find it, it is very slow for some reason.
I have DT. GRC 8.1.0.4 (lt)
Any suggestions?

Have you done a speed test?
Sent from my CLT-L29 using Tapatalk

thanito said:
Have you done a speed test?
Sent from my CLT-L29 using Tapatalk
Click to expand...
Click to collapse
0-5mps download
0-1 Mps upload
It was up and down all the time, not steady number, sometimes stucks to zero for a couple of seconds
With other phone I have
30 download
5,5 upload
Something happen with the phone
I justice notice that on 5ghz wifi works perfects (50 Mps) with 2,4ghz I have problem

2 days later it fixed itself.
Don't know the reason, anyway all ok

To be honest I sometimes find the WiFi a bit unresponsive, also in cosmote network myself.
Lately I also see the 4g+ sign to be present along with the WiFi, a bit weird as well..
Sent from my CLT-L29 using Tapatalk

Any news?
Since a few days I have the same problems.
Did you find any solution?
Thanks.

I also have an issue with the WIFI being slow on this phone. Any solutions?

Are you missing all other unconnected networks in your wifi list?
Try to toggle WiFi search option for location service.
This helped me to get my wifi work again.

constantly looses internet connection only Aeroplan mode helps!!!

This is drives me nuts!!! Connection status showed as H+ and very often suddenly internet dissapears!!! And it's not going to work again before I switch all phone to Aeroplan mode and back!!!
Today I thow my phone at a wall Hoping to break it to have a reason to buy a new one without this problem.
Anyone else?

What mobile provider do you have, and does it happen in more than one location so it's not just an unstable transmitter in your neighborhood?
Skickat från min ONEPLUS A3003 via Tapatalk

Yes it happens when Im at home, probably with not so strong signal. What seems to be the the bug is that signal status in systembar shows that all is well with connection. But internet is absent. I use two sim, and it happens at all combinations of slots
Probably a solution to this will be a script that periodically check some online url and switch Aeroplan mode on/off if internet is absent.

s-a--m said:
What seems to be the the bug is that signal status in systembar shows that all is well with connection.
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Click to collapse
Meaning what exactly? Just having the H+ symbol, or showing a bar or 2, does not mean much. I often will get a bar or reception showing on this phone when in remote locations, where there is no usable data signal. My wife's iPhone is the same way, shows that there is a phone and data signal, but no actual internet connection. The signal is present enough for the phone to see it, but not strong enough for any data to get through.
Go to phone Settings>About phone>Status>SIM status>Signal strength; and see what the actual dBM signal strength reads. This is much more reliable than any of the signal status indicators.

Thank you. Buut problem is that Android don't recognize that internet is lost before I switch to Aeroplan mode and back. I can wait for internet forever but as soon as I switched it connects immediately....

Really hate this piece if **** of a device!!!!!!!!

Do you still get this running on LineageOS 16? Can't say I've experienced this, running LOS and with keep mobile connection enable while on wifi-setting enabled in advanced development options menu.
Unless it's specific to your operator/mobile network. Have you checked your APN settings? Try deleting them and re-create from scratch.
Skickat från min ONEPLUS A3003 via Tapatalk

Network Issues - Disconnecting after placing a call

Recently I started having issues where I can't place calls. My data works fine but as soon as I start up a call, it seems to disconnect all connectivity and restart my network (ie, it will have an x on the icon and then reset back to 4G++). Surfing the internet and such works fine but it just cuts off as soon as I make calls.
Anyone have this issue?
Thanks

kbc88 said:
Recently I started having issues where I can't place calls. My data works fine but as soon as I start up a call, it seems to disconnect all connectivity and restart my network (ie, it will have an x on the icon and then reset back to 4G++). Surfing the internet and such works fine but it just cuts off as soon as I make calls.
Anyone have this issue?
Thanks
Click to expand...
Click to collapse
When you make a call sometimes call is not with 4g, is with 3g and disconects to another network
Is normal and no problem
Enviado desde mi ASUS_I001DC mediante Tapatalk

jorgeepelos said:
When you make a call sometimes call is not with 4g, is with 3g and disconects to another network
Is normal and no problem
Enviado desde mi ASUS_I001DC mediante Tapatalk
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You're right, that's what happens but the problem is it happens all day.. which I don't think should be normal. Luckily I have a work phone I can use to call people but I can't get calls on my phone. It will maybe work once every 2 hours.