Very flaky and unreliable wifi connection on my Z2 !! - Xperia Z2 Q&A, Help & Troubleshooting

I've owned the Xperia Z2 for almost ten days now, and I've never managed to hold a wifi connection for more that two minutes, after that wifi stays connected normally but no internet connection !!
the only solution is to reboot and the wifi will work again for a minute or two and then does it all over again !!
I've tried all possible solutions like soft-reset and switching off my wifi and even re-installing the firmware for Sony PC companion and nothing !!
is anyone else having the same issues??

s_superman said:
I've owned the Xperia Z2 for almost ten days now, and I've never managed to hold a wifi connection for more that two minutes, after that wifi stays connected normally but no internet connection !!
the only solution is to reboot and the wifi will work again for a minute or two and then does it all over again !!
I've tried all possible solutions like soft-reset and switching off my wifi and even re-installing the firmware for Sony PC companion and nothing !!
is anyone else having the same issues??
Click to expand...
Click to collapse
I am :\
Bought the phone yesterday. Already used it a lot and loving it. But this morning I'm at home and I see WiFi issues. Sometimes the internet just doesn't work anymore (although I'm still conected and my other devices work fine). And I also got stuck to "obtaining IP address..."
I really hope it's not a hardware fault and that an update is coming (I did all the Sony updates yesterday). But you say it's been 10 days it is that way ??
On an unrelated note, each time I boot it, an alert tells me to put the caches back on to remain waterproof. Does that mean it detect the caches are removed ?because they aren't!

No issues with wifi here, as for the make sure flaps are closed message that will appear every time you reboot the phone, just tick don't show this again & it will stop appearing. It's just a general warning to make sure the flaps are closed.

The weird thing is that I have both.my HTC and nexus in the same room connected to.the same wifi access point and they are working properly.... This is very bad
Sent from my D6503 using XDA Free mobile app

My wifi is **** as well. It makes streaming video and music impossible as it keeps dropping out. Is there a fix for rooted devices?
Sent from my D6503 using XDA Free mobile app

this is really getting very annoying !!
I've finished my one month mobile data package in just twelve days because of this !!
I'm starting to regret switching from reliable HTC phones to Sony
what the hell is causing this !

Check in wifi settings & tap the 3 button menu then tap advanced & make sure Avoid Poor Connections is unticked, I also always set the keep wifi on during sleep to always & never have any issues.

If that can help, I think the issue is gone with my z2. What I did : backed up my whole phone using the Sony app, factory reset the phone and restore the backup (strangely, some apps weren't restored so if you can use titanium, it may be better). I also did what BanziBaby just said. No problem until now, crossing the fingers
Envoyé de mon D6503 en utilisant Tapatalk

Or fine with me.
Try playing with the ip like use a static ip.
Sent from my D6503 using XDA Free mobile app

Related

Braking connection via WiFi and freeze on lockscreen caused by WiFi

Hello,
I became a proud owner of S3. As it usually happens to me there is the problem. Namely, from time to time problem happens to me when I'm using any web browser or anything that requires an Internet connection. Say for example Opera. I'm browsing pages and suddenly ... BOOM ... 3-5 second pause in the connection over WiFi (energy saving is off and in WiFi settings - I did it via code, in the service menu). Sometimes Internet connection breaks when I'm browsing menu or writing an SMS. For example: I browse the menu and suddenly I see - WiFi stamp disappears and after a while there is info about that phone is connected again. This is the first problem.
The phone is lying, WiFi operates in the background. When I Pick up the phone and when I'm clicking home (or power) button I get the lock screen and. .. freeze. Phone is disconnected from WiFi and only time the phone reconnects to WiFi I can unlock the screen.
On what ROM were the problems? On the Stock LF2, ROOTed LF2, Omega 7.1 - 9.0 and AOKP Milestone6.
And also it does not work automatic refresh of weather (at 1 h interval) on stock widget (the Samsung weather widget).
Sorry for my bad English.
Why couldn't you have just set your wifi to never turn off in settings, wifi, advanced.....it's practically the same thing....I wouldn't be messing around with the service menu. I would wipe data/factory reset and start again bud but this time, stay away from the service menu as it's for technicians and phone repairs etc I've not once touched the service menu....
Sent from my GT-I9300 using XDA Premium HD app
I found the same problem ever since I upgraded to LH3 (the latest official release at this moment). The lock screen is frozen if: I had the WiFi Switched On, screen off either manually or timeout, then disconnected (say if I walk away from the wifi service area). When I press Power or Home button to wake the device, the lock screen is frozen.
Seems no freeze if wifi remains connected. Seems no freeze if wifi power saving mode is off (disabled via *#0011# (but setting won't stay if unit is power off).
Did both Cache wipe (didn't do factory reset) but makes no difference. Tried "never turn off" also makes no difference (probably because it will turn off anyway when connection is dropped)
The upgrade seems worser than before...
Any hints please...
This seems to be common but not always the same fix, my wifi constantly drops out and reconnects immediately (ruining any downloads/streaming) , i have tried the service mode, factory reset, different kernels, sleep time, static IP's, JB vs ICS Roms / Stock roms, you name it i have tried it and it STILL is doing it. Weird thing is..dont think it dropped out and reconnected when i was stock and unrooted, but as i said, tried stock rom and to no avail
Any ideas?
Bump
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Hi, I am having the same problem again after not having this problem for a month or 6.
I qas having this problem on my note when on gb and now on cm10.1 but the problem never occured in an custom ics or jb rom.
So I recommend; use a custom ics or jb rom to solve this problem
Cheers,
Kreekhoorn
kreekhoorn said:
Hi, I am having the same problem again after not having this problem for a month or 6.
I qas having this problem on my note when on gb and now on cm10.1 but the problem never occured in an custom ics or jb rom.
So I recommend; use a custom ics or jb rom to solve this problem
Click to expand...
Click to collapse
I have this issue on my galaxy note N7000, and only recently for like a month now and on various different ROMs all JB. Any updates on what the cause could be?
Go full unrooted stock and send the phone in for warranty repair. It's the smartest thing to do if a problem persists after lots of ROM switching and factory resetting.
xpmode said:
Go full unrooted stock and send the phone in for warranty repair. It's the smartest thing to do if a problem persists after lots of ROM switching and factory resetting.
Click to expand...
Click to collapse
That's would be the smartest thing to do, indeed. But... Warranty expired centuries ago.
Any clue what is causing this not uncommon problem?
Sent from my GT-N7000 using XDA Premium 4 mobile app
Try visiting a(not crowded) place with public Wi-Fi, and see if the issue persists.
If it starts to work fine, get a new router, preferably with 802.11n support. If you buy a N compatible router, check all of your Wi-Fi capable devices for N support, and if one of them doesn't, make them N compatible(if it's a computer, get a new N compatible Wi-Fi card or USB reciever, if it's something else, well, you can't do anything else other than buying a newer version of it with N support, or not using that device's Wi-Fi feature at all) because your router will operate at an older mode even if one of your devices doesn't support N.

s3 wifi not working

I updated to OTA jb 4.1.1 3-4 days ago
till yesterday, wifi was working normal but from today morning I see some weird problem.
When i try to connect my phone to my home's wifi, it gets connected. After that I open any internet based app, for the first time it works. then the internet stops.
I mean the wifi symbol is still there on the status bar but. it doesn't work.
I can't open any web pages, i have to turn wifi on-off to make it works, after loading one page it stops again.
But internet from the pc is working.
I tried restarting, keeping battery out for sometime, nothing happens.
What should i do?
Facing this problem first time in 5 months after updating to Jelly bean/
swapniltiwari said:
I updated to OTA jb 4.1.1 3-4 days ago
till yesterday, wifi was working normal but from today morning I see some weird problem.
When i try to connect my phone to my home's wifi, it gets connected. After that I open any internet based app, for the first time it works. then the internet stops.
I mean the wifi symbol is still there on the status bar but. it doesn't work.
I can't open any web pages, i have to turn wifi on-off to make it works, after loading one page it stops again.
But internet from the pc is working.
I tried restarting, keeping battery out for sometime, nothing happens.
What should i do?
Facing this problem first time in 5 months after updating to Jelly bean/
Click to expand...
Click to collapse
1) re-start ur home wifi router once and see
2) delete the exsisting home wifi netwrk on ur phone, reboot and let the wifi scan for the available netwrk on ur phone, then reconnect it back and see
Sun90 said:
1) re-start ur home wifi router once and see
2) delete the exsisting home wifi netwrk on ur phone, reboot and let the wifi scan for the available netwrk on ur phone, then reconnect it back and see
Click to expand...
Click to collapse
I have tried both the things already.
friendly bump
I have same problem as you have, like it took me sometime to finally figure it out. Try resetting your router. You see this small hole at the back of the router, hold & press it for about 20-30 seconds. Your router will now be restored to its factory settings, then connect your S3 & voila! your device is good to go.
I had the same problem at home once, I tried everything from wiping caches to reinstalling my rom. Turned out it was my router so yeah the guys above are probably correct.
Sent From My Omega'd Galaxy S3 ...
guys please help!
this sh*t is killing me >.<
i have tried and resetted my modem too, its no good!
xmrenegade7 said:
I had the same problem at home once, I tried everything from wiping caches to reinstalling my rom. Turned out it was my router so yeah the guys above are probably correct.
Sent From My Omega'd Galaxy S3 ...
Click to expand...
Click to collapse
Glad be of help..
swapniltiwari said:
guys please help!
this sh*t is killing me >.<
i have tried and resetted my modem too, its no good!
Click to expand...
Click to collapse
Did you ever try pressing the router hole for about 20-3- seconds? If it still didn't work, try manually input the your static IP. That worked too with me,
I don't have idea about static ip
And I've seen, while my screen is on. . WiFi remains connected and if I lock screen even for a second. .WiFi goes off
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Hi, Had same issue with WiFi, was doing my head in.
Problem for me was bad update from the OTA update,
go into recovery and factory reset wipe data, and cache, if still no luck then
your best solution which worked for me was download the full Samsung Official Firmware Stock from samfirmware (Google it)
and use odin to redo the phone.
Hope you get sorted. :good:
Go somewhere else with available WiFi, try connecting, if you succeed with no following issues, it's your WiFi router, if you can't connect to any other available WiFi, it's your phone, reflash ROM and test.
Have you tried turning power save mode off. In the dialer dial *#0011# then press menu button then WiFi then where it says on, turn it off. Be aware that it goes back on after every reset of your phone.
Sent From My Omega'd Galaxy S3 ...
---------- Post added at 05:49 PM ---------- Previous post was at 05:48 PM ----------
And as for it going off when your screen is off go to WiFi settings - advanced - and change the option about WiFi when screen off to always on.
Sent From My Omega'd Galaxy S3 ...
I have the exact issue. I tried everything here:
* Doing static ip on my phone
* *#0011# turning wifi power save mod to off
Still the issue. I didnt reset the router as my wife's s3 does not have and also this is issue is happening to other routers as well. Please help...
same issue
i have the same issue. I just bought a new S3 four days ago. Wifi of that stopped working exactly after 1 day of the purchase. Same symptoms , it worked at my home for a day and stopped on 2nd day. After stop and restart of the wifi, it again started but then after one page being opened, it again stopped. Tried "forgetting" the wifi uid , it didn't work. Stopped the wifi power saving mode, no gain. The version is stock JB 4.1.1 (came preinstalled) . On the other router, it did work but I am sure(though haven't confirmed) that it woudl stop after a day too.
After this issue, I changed my handset from the seller(original Samsung retail shop) and now, after 2 days, it again stopped today working, on almost the same time again. The same router is used by two ipods, two laptops and one HTC One X and it's working fine. I am not sure what to say to the seller now as he simply won't agree to me but the issue is clearly there. Any help please!
I too am having this problem after updating to 4.1.2. It helps to turn off the wifi then turn it back on, and but I don't want to keep having to do this.
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Sounds like an ip related issue.. Your phone remains connected to the local network but can't find it way to the Internet (dns), right? . Try setting a static ip or soft reset the router every time it happens (turn it off and then back on). Try even locating the router somewhere it doesn't get too hot. These work for me
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iliadis_babis said:
Sounds like an ip related issue.. Your phone remains connected to the local network but can't find it way to the Internet (dns), right? . Try setting a static ip or soft reset the router every time it happens (turn it off and then back on). Try even locating the router somewhere it doesn't get too hot. These work for me
Sent from my GT-I9300 using xda premium
Click to expand...
Click to collapse
Hi,
But this issue never came up in the ICS and with the other devices , it's working fine. Also, can you guide how to set the static IP for the GS3?
Thanks and regards
---------- Post added at 04:09 AM ---------- Previous post was at 03:31 AM ----------
Okay, did a little Google search and found how to put static IP. Gave it now but still, no joy. Ironically, yesterday , after doing a lot of search I found that I should enable "dynamic routing" on the router. I did that and internet started. Worked for the night and today morning , it stopped and now not working at all.
Any help please!
Even I have this problem on my S3 LTE version on Jelly Bean 4.1.1. Trying hard reset and changing settings on router or fixed ip on phone won't be of any help. I tried all these and the problem comes back within no time. So don't waste time. Send the unit for repair or replacement. Think of it this way, if there is a problem with your router or other routers, your other devices would also have a similar problem so suggest not to tinker with router settings. Problem is with the phone. Whether there is a problem with hardware and/or software, it's Samsung's headache to deal with. Planning to send the phone for repair shortly. Fed up with Samsung. Previously had a problem with bluetooth and screen on S2 and now Wifi. Irritating.
Sent from my GT-I9305 using xda app-developers app
S3 Wifi problem solved
i have same issue regarding i connected my s3 with my home network but unable to acess internet . i also used static ip .but nothing gona work . i also used wifi power saving mode by dialing *#0011# but fail.Then I went to coutmer care center they reinstall my phone software and when i again connect to wifi router same problem.internet still not working on my s3 but its working on my labtop,tv..i also reset my router nothing
gona work.
Then guys.i simply change my ip adress of my router and internet is gona work on my s3..i changed to 192.168.1.2 to 192.168.1.5
Just change Your Router IP Adress

Xperia U: very weird wifi problem

My girlfriends XU is acting up ultimately weird..
Since some time we have this problem:
Wi-Fi only works for about 3 minutes when connecting to a wifi signal, yet the wifi signal icon indicates as if it has a good connection. The only way to regain connection again is to reboot, but then the same problem repeats itself, after a few minutes wi-fi is not working anymore. Also in the wifi-indicator the "send" arrow works, the "receive" arrow doesn't.
Basically if you want to discover a new wi-fi connection you need to reboot the phone also, because otherwise the previous connected wi-fi signal remains (it freezes as stated before after about 3 minutes).
Tried a factory reset already.. Didn't work. The phone runs the stock sony android 4.0.4.
Any idea's ?
wtr_dhd said:
My girlfriends XU is acting up ultimately weird..
Since some time we have this problem:
Wi-Fi only works for about 3 minutes when connecting to a wifi signal, yet the wifi signal icon indicates as if it has a good connection. The only way to regain connection again is to reboot, but then the same problem repeats itself, after a few minutes wi-fi is not working anymore. Also in the wifi-indicator the "send" arrow works, the "receive" arrow doesn't.
Basically if you want to discover a new wi-fi connection you need to reboot the phone also, because otherwise the previous connected wi-fi signal remains (it freezes as stated before after about 3 minutes).
Tried a factory reset already.. Didn't work. The phone runs the stock sony android 4.0.4.
Any idea's ?
Click to expand...
Click to collapse
I have the same problem with xperia p...It started after the last update.Also when it connects to a network,i can' t turn off wifi,i have to rebbot the phone...I' m wainting the jelly bean update.. :-/
Maybe check router settings, I had turned only one mode on, after enabling "mixed" (802.11g AND 802.11b) it worked fine...
Daniel_NL said:
Maybe check router settings, I had turned only one mode on, after enabling "mixed" (802.11g AND 802.11b) it worked fine...
Click to expand...
Click to collapse
This is not a solution,because many of users use it most at public hot spots.At home,i prefer my pc...
orfeas16speedy said:
This is not a solution,because many of users use it most at public hot spots.At home,i prefer my pc...
Click to expand...
Click to collapse
Alright, sry then, can't help any further...
Does it happen with all routers or only with your router?
Have you tried to repair using SUS?
Someone one the official forum had a similar problem and it was fixed by repairing the phone using SUS.
Xpme said:
Does it happen with all routers or only with your router?
Have you tried to repair using SUS?
Someone one the official forum had a similar problem and it was fixed by repairing the phone using SUS.
Click to expand...
Click to collapse
With pretty much all routers yes..
any solution about wifi problem?? tired change wep to wpa.. stil cant use wifi at home.
Try changing the kernel.
Sent from my ST25i using xda app-developers app
try to flash another kernel with flashtool or go back to the stock kernel

WiFi hanging.

Hi guys I have a problem. I'm on the latest firmware of .314 and when I connect to WiFi I notice that it hangs. By hangs I mean I'll be connected but after a while I can't browse as if I'm offline though I'm connected. I'm not sure if it happens anywhere else as I only use WiFi at home and its only started recently. Maybe two weeks ago. My other devices seem fine though I hardly use them.
Sent from my D6503 using Tapatalk
There seem to be some repetitive policy bugs across all xperias on 4.4.2+
Running a fix permissions from TWRP>avdanced fixes my problem untill a month later :/
Oh right. It used to work fine before. I never noticed the problem before. Unfortunately I'm unrooted
Sent from my D6503 using Tapatalk
having the same issue. let me know if yours is like this. wifi is connected but when you notice internet stopped working, the up arrow on the Wi-Fi blinks but not the down arrow.
yours like that?
Yeah mine is exactly the same. Sometimes it happens there and then and sometimes it works for a while then stops.
Sent from my Nexus 7 using Tapatalk
ok at least I'm not the only one having the issue. hopefully it'll be fixed in the next update
It seems to be another policy bug
Sony should have fixed it in the 4.4.4 update
I'm on the .314 update firmware but still get this problem.
Many people are having this bug (myself included). The only solution that works for me is an app called wifi fixer. It shows a log regarding your wifi, and tries to fix any issues. The log shows my phone unassociates with the router every so often. That's why my phone shows I'm connected, but I don't have any Internet access. This app detects it, and reassociates with the router thus temporarily fixing the problem. I would assume 4.4.4 will fix this bug entirely though.
I've had this, too. My Z2 is currently gone for repair, because after a few days of this I couldn't even turn on WiFi anymore. Or Bluetooth.
Strangely enough (and perhaps tellingly) the same thing happens on my Xperia SP running CM11 (4.4.4). I've got both WiFi and Bluetooth turned on (because of my SmartBand) and when I try to use the browser, upload seems to be active, but there's no download. The moment I turn off Bluetooth I get data from WiFi...
Not sure if these are connected, but if they are, I doubt the update to 4.4.4 is going to fix it.
(BTW, I'm not an expert, I could be wrong. I certainly hope I am.)
I'm at my cousins house and I'm connected to WiFi without any issues. He has the sky hub. I don't. I have the old router. When I asked a sky advisor I don't know if he was trying to sales talk me or was actually being genuine but he said due to the wireless n compatibility you will have some issues. I've been connected to the WiFi here now for like an hour
Sent from my D6503 using Tapatalk

WiFi stop responding until reboot

Hi,
I recently moved from my old Xperia Z to the Xperia Z2 that I got from my brother after he upgraded, anyway, everything seems to work fine except the WiFi, it initially working fine after turning the phone on, then, after a random amount of time it will just freeze, meaning it still shows as connected but no matter which network I connect to, there's no Internet connection in any app, while at the same time other devices have no problems, tried disconnecting and reconnecting to a network, even turning the WiFi off and the on again, nothing helps until I reboot my phone.
After rebooting it starts to work again, till the next time it happen, so far it happened up to 3 times a day, it's really frustrating.
My phone is running the latest Marshamallow 6.0.1, build version 23.5.A.1.291, using a pre-rooted ROM, Locked bootloader if it even matters.
Any ideas how to solve the problem?
Thank you.
You can start with flashtool 0.9.18.6 and flash data again.
Sent from my D6503 using XDA-Developers Legacy app
darknessmc said:
You can start with flashtool 0.9.18.6 and flash data again.
Click to expand...
Click to collapse
Thanks for the reply but...
Well, OK, it seems the problem isn't exactly as I first described. It seems only some apps looses Internet connectivity, while others continue to work fine, for example, I can surf the Internet in Google Chrome or play games like top eleven that requires Internet connection while at the same time I lose connectivity in social networking apps such as instagram, twitter and Facebook, sometimes also other apps (aliexpress for example).
Once again though, seems only a reboot helps. Weird, isn't it?
Anyone got ideas?

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