Database Users

VERY Strange WIFI problem

Ok
so for the last couple of days I've noticed that when at home, if I turn on the HD2's Wifi, my entire home network stops working. The router can no longer be accessed, even by wired Ethernet.
I figure it was a router issue, so I bought a newer better one by a different company - and what do you know: The same problem persists! As soon as I enable WiFi in my HD2 the router becomes unaccessible - and as I turn it off, all is well again.
I'm a computer technician, an MCSA and usually pretty good with those things, yet this issue baffles me. What on earth could cause that?
No other WIFI devices cause this issue, only my HD2.

Ambious said:
Ok
so for the last couple of days I've noticed that when at home, if I turn on the HD2's Wifi, my entire home network stops working. The router can no longer be accessed, even by wired Ethernet.
I figure it was a router issue, so I bought a newer better one by a different company - and what do you know: The same problem persists! As soon as I enable WiFi in my HD2 the router becomes unaccessible - and as I turn it off, all is well again.
I'm a computer technician, an MCSA and usually pretty good with those things, yet this issue baffles me. What on earth could cause that?
No other WIFI devices cause this issue, only my HD2.
Click to expand...
Click to collapse
What is the radio firmware version on the phone and what is the make, model and firmware revision of the router.
2 IT engineers are always better the one

My older router (with same problem) was 3Com 3CRWER200-75.
I replaced it with an Edimax BR-6524N. Same weird issue.
Both have latest firmwares.
My phone radio version... To be honst, I don't know how to check. My ROM version is 1.48.405.2 (71294) WWE - which is the stock rom of the Israeli version as supplied by Newpan.
Also worth mentioning, this didn't happen until a couple of days ago. Everyting was fine for months with the same exact configuration. SOMETHING must've changed, but what?
And how is it possible for my phone to kill two different routers?

I have the same problem with my laptop when running windows 7 but not linux....seems too me at least my problem is a driver issue.could be the damned for you too possibly. Was there a possible divert update on your phone?
I do not have an hd2 so I am not sure.
Edited for auto correct mistake

Ambious said:
My older router (with same problem) was 3Com 3CRWER200-75.
I replaced it with an Edimax BR-6524N. Same weird issue.
Both have latest firmwares.
My phone radio version... To be honst, I don't know how to check. My ROM version is 1.48.405.2 (71294) WWE - which is the stock rom of the Israeli version as supplied by Newpan.
Also worth mentioning, this didn't happen until a couple of days ago. Everyting was fine for months with the same exact configuration. SOMETHING must've changed, but what?
And how is it possible for my phone to kill two different routers?
Click to expand...
Click to collapse
You check your phone radio revision the same way you check your rom version. Go to settings, about phone, software information and look for the line "radio version".
Your actual rom version is quiet old and if you are still using a stock rom then you may want to have a look at the htc website for your country and see if you can get 1.66 rom or newer.
I personally have never experienced this problem but i always use linksys or netgear networking equipment. The linksys router i have at home i've had for many years (it's a wrt54g v2.0) and it still works perfectly even though it's cpu and networking chipsets are overclocked and it runs a custom firmware.

Well, the ROM is the latest available for my country :-(
But anyway, I managed to solve it by deleted all my wireless preferences and just 'rediscovering' my home network from scratch. Surprisingly that worked and solved the problem, even on my old router.
Now I'm wondering if I should return the new one and stick to my trust good old one, or stick with the new one? It was pretty expensive, and I don't really use an N wireless connection anywhere anyway, so... What do you think, XDA?

Ambious said:
Well, the ROM is the latest available for my country :-(
But anyway, I managed to solve it by deleted all my wireless preferences and just 'rediscovering' my home network from scratch. Surprisingly that worked and solved the problem, even on my old router.
Now I'm wondering if I should return the new one and stick to my trust good old one, or stick with the new one? It was pretty expensive, and I don't really use an N wireless connection anywhere anyway, so... What do you think, XDA?
Click to expand...
Click to collapse
You have no need for it, get your money back.

the hd2 is capable of N speeds. You just need to enable it in the registry. Personally i would use the old one till it dies and keep the newer one in a box till then but the choice is yours

The newer one is a lot of money I spent for something I didn't even need eventually. I'll be turning it back, I think.
Thanks to all who helped You guys rock!

Ambious said:
Well, the ROM is the latest available for my country :-(
But anyway, I managed to solve it by deleted all my wireless preferences and just 'rediscovering' my home network from scratch. Surprisingly that worked and solved the problem, even on my old router.
Click to expand...
Click to collapse
great to hear that you've found a solution!
A thought came to mind while reading this thread.
Wonder if it's possible that a certain radio file/setting on your HD2 might've been corrupted and instead of generating the usual wifi signal, it could've generated a signal on the same frequency that completely jammed you're router signal?
Similar to the radio jammer units available in some countries that can be used for GSM, Wifi, etc... just a thought!

Im glad you brought this up because I had the exact same problem (accept I could connect via ethernet just wifi went dead), almost brought a new router after spending 2 days trying to set it up :/ It wouldnt allow anything to see the router wifi wise let alone connect to it via wifi. I havent turned my wifi on the phone since then but ill try reseting my settings later to see if that works. I didnt wanna risk screwing the router over lol. Im on stock 1.48 rom and radio on o2 as well

bobbified said:
great to hear that you've found a solution!
A thought came to mind while reading this thread.
Wonder if it's possible that a certain radio file/setting on your HD2 might've been corrupted and instead of generating the usual wifi signal, it could've generated a signal on the same frequency that completely jammed you're router signal?
Similar to the radio jammer units available in some countries that can be used for GSM, Wifi, etc... just a thought!
Click to expand...
Click to collapse
That's an interesting thought, and if it's true - reversing it could be a tool for evil - just imagine being able to shut down networks just like that...
Anyway, I'm glad my issue was solved. That Edimax N router is really expensive, and I like my trusty old 3Com way better.

My N*kia n95 used to f*ck up the router like this sometimes

After update problems with wifi wpa-eap

Hello
I got my update a week ago. Never tried to connect for a week. Now I am back at work and my wifi does not work. Worked perfectly before the update.
its a wpa eap enterprise network.
First phase ttls
Second phase pap
It just seems to timeout during authentication. No other errors in logcat.
The GUI seems to have problems too. Even when configured with pap it shows phase 2 as none.
Anybody experience the same problems?
Or does know a solution?
Its the only way to get internet
Sent from my HTC Desire using Tapatalk

Nobody has this problem ?
I wrote to acer support about this, i hope they reply
Sent from my A500 using Tapatalk

factory reset did not help
lets hope support has other ideas
Sent from my A500 using Tapatalk

Same issue...
Whats your buildnumber?
Sent from my GT-I9000 using XDA App

1.141.01_emea_gen3 is my build number. and yours?
good to hear i'm not the only one. could you write support with this? maybe if more people write this gets fixed faster. thanks
Sent from my A500 using Tapatalk

Same issue here, exact steps. worked flawless before update and now its broken. Wondering if anyone of you found solution on this?
Did anyone tried Acer's wifi patch for this?
Thanks
::Resolved::
Just tried steps from following link and seems to be working fine. Only issue is it cant automatically connect to network but once I switch Wifi Off and On again, it connects. Hopefully should work for others too.
http://www.acertabletforum.com/foru.../956-wifi-issue-connecting-peap.html#post6039

I think there is more information on this problem here:
http://forum.xda-developers.com/showthread.php?t=1185885
It seems that WiFi Advanced Configuration Editor in the Market might help. I haven't had time to try yet.

exact same problem. it was working fine before this last update. i am right now on 10.38 com gen1.
The only thing I found is to set the IP setings to static in the wifi network options. It seems to work for now but am expecting a fix from acer.

I had this same issue(PEAP)​. I was able to connect via Add WiFi network. That was last week. Now when I boot my device in the office. It automatically connects.​

nbhor said:
Same issue here, exact steps. worked flawless before update and now its broken. Wondering if anyone of you found solution on this?
Did anyone tried Acer's wifi patch for this?
Thanks
::Resolved::
Just tried steps from following link and seems to be working fine. Only issue is it cant automatically connect to network but once I switch Wifi Off and On again, it connects. Hopefully should work for others too.
http://www.acertabletforum.com/foru.../956-wifi-issue-connecting-peap.html#post6039
Click to expand...
Click to collapse
The fix on the acertabletforum link did the trick, this has been driving me crazy for a few days. I already had an RMA from Acer and was ready to ship it back, but it's good now....

Just finished a chat session with Acer, told me it was the responsibility of my router's manufacturer, not theirs. They take no responsibility for the problem. Don't expect a patch from them. It looks like I will return the tab, pay extra for sound customer service
On the other hand, just spoke to dlink, downloaded updated firmware, works perfectlyfor two days. While acer was correct their communication to me lacked clarity. I still believe they carry some respnsibility to make their software compatable with a variety of routers. But for me the problem is solved.

TulpiX said:
1.141.01_emea_gen3 is my build number. and yours?
good to hear i'm not the only one. could you write support with this? maybe if more people write this gets fixed faster. thanks
Sent from my A500 using Tapatalk
Click to expand...
Click to collapse
Just do a full rom update to Acer_A500_4.010.42_COM_GEN1
http://forum.xda-developers.com/showthread.php?t=1113878

I had the exact same problem at work and started the XDA thread posted ealier in this thread but I was able to find an easy solution. Use WiFi Advanced Connection Editor from the market, load it up, choose the SSID of the WAP and then go to Enterprise Security and re-enter your password. Should work fine from there on out. I'm guessing it's an error with the way the WPA_SUPPLICANT file is storing the data for the WAP.
These instructions are from memory but should be close enough to find your way.
Sent from my A500 using Tapatalk

[Q] Package File is Invalid - No mentioned fixes working for me

I got my Nexus 4 today, and I've been pretty excited since.. So far, it's worked flawlessly everywhere except for when I need to download something from the play store.
Almost every download results in "Package File is Invalid"
I googled for hours, literally. I wiped data/cache of Google Play Store, Services Framework, wiped Cache from the stock recovery, and even factory resetted the phone to no avail.
I'm guessing it's a problem with my home's router setting. Everything works fine on my nexus except for the play store. Haven't gotten a chance to mess with other wifis yet, but can anyone tell me a way of fixing it?
If it doesn't work by tomorrow, I might run a custom ROM and try, though I really wanna stick with stock till 4.3/5.0 comes out :\
Any help?

Login to the Playstore from a PC and make sure your N4 is listed on your account. Also, try and install an app on your phone from there.

What happens if you try to install an app with Wi-Fi off (Mobile Data)? This could rule out an issue with your router or ISP.

SpookyTunes said:
What happens if you try to install an app with Wi-Fi off (Mobile Data)? This could rule out an issue with your router or ISP.
Click to expand...
Click to collapse
It works fine on 3G for me. It's not a ROM issue since I tried it on stock, PA, and now CM10.1.
However, very small apps download without issues. I think the cap is around 5 mb above which the error shows up.
I'm 100% sure it's my router's settings that seem to be working against the nexus. Any idea what I could do?
I absolutely LOVE the fluidity of this phone (coming from a single core phone running a buggy JB rom) but this is killing me!!
The worst thing is, all the workarounds that I've read about since yesterday work for few, but not all people. And there are lots of workarounds. I've tried all that I've read but nothing's working :\
fernandezhjr said:
Login to the Playstore from a PC and make sure your N4 is listed on your account. Also, try and install an app on your phone from there.
Click to expand...
Click to collapse
It is, just checked again, it's listed just fine.. I tried installing whatsapp through the play store on my pc but after it downloads the 10mb file on the phone, it gives this error again.

sixaxis94 said:
It works fine on 3G for me. It's not a ROM issue since I tried it on stock, PA, and now CM10.1.
However, very small apps download without issues. I think the cap is around 5 mb above which the error shows up.
I'm 100% sure it's my router's settings that seem to be working against the nexus. Any idea what I could do?
Click to expand...
Click to collapse
What router (Make / Model) is it?
Check for a router firmware update. If there are no updates or support, check if it is supported by DD-WRT.
Try doing a factory reset on the router, then set the security settings to (WPA2 only / AES only) and use the Android app WiFi Analyzer to find the best channel.

sixaxis94 said:
I got my Nexus 4 today, and I've been pretty excited since.. So far, it's worked flawlessly everywhere except for when I need to download something from the play store.
Almost every download results in "Package File is Invalid"
I googled for hours, literally. I wiped data/cache of Google Play Store, Services Framework, wiped Cache from the stock recovery, and even factory resetted the phone to no avail.
I'm guessing it's a problem with my home's router setting. Everything works fine on my nexus except for the play store. Haven't gotten a chance to mess with other wifis yet, but can anyone tell me a way of fixing it?
If it doesn't work by tomorrow, I might run a custom ROM and try, though I really wanna stick with stock till 4.3/5.0 comes out :\
Any help?
Click to expand...
Click to collapse
This is also whats happening to my phone..i have no problem downloading apps that are below 5mb but anything more is invalid..i think its the wifi here but i cant check through 3g cause there's no signal
Sent from my Nexus 4 using xda app-developers app

SpookyTunes said:
What router (Make / Model) is it?
Check for a router firmware update. If there are no updates or support, check if it is supported by DD-WRT.
Try doing a factory reset on the router, then set the security settings to (WPA2 only / AES only) and use the Android app WiFi Analyzer to find the best channel.
Click to expand...
Click to collapse
It's a DLink router.. No updates available
I reset it yesterday and put WPA2 but it hasn't solved the problem still :\
Wifi analyzer told me channel 6 onwards were good, so I tried 6 and 7 but didn't help either
I've had to download apk's for all the free apps to make it work as of now
I'll check with my mom and dad's phone to see if this problem exists for them too, but they're running gingerbread so idk if it'll mean much even if it works

sixaxis94 said:
It's a DLink router.. No updates available
I reset it yesterday and put WPA2 but it hasn't solved the problem still :\
Wifi analyzer told me channel 6 onwards were good, so I tried 6 and 7 but didn't help either
I've had to download apk's for all the free apps to make it work as of now
I'll check with my mom and dad's phone to see if this problem exists for them too, but they're running gingerbread so idk if it'll mean much even if it works
Click to expand...
Click to collapse
First I would return to stock ROM. A custom ROM could have it's own WiFi issues.
As for the router, the only other suggestions I can make are;
test it in unsecured mode (open Wi-Fi access)
force 802.11G (disable B and N access)
lower the MTU from 1500 to 1480
disable uPnP
disable (or enable) WMM support.
disable any content filtering (like blocking java, proxies, etc).
Changing these options one at a time and see if any one fixes your issue.

Use VPN
Has been occurring a lot lately. Well, not a fancy fix but a simple one ..... use hotspot shield to connect and then all files install normally over wifi. Don't know why it does, but it works!

I have had "package file is invalid" issues with my Nexus 4 and my home WiFi connection from day 1 of owning a Nexus 4. I have tested it on 4 different WiFi Routers with different firmwares including stock and DD-WRT.
- Linksys WRT320N Dual Band (With Stock and DD-WRT Firmware).
- Linksys WRT160N V3. (Stock and DD-WRT)
- Tenda N60. (Stock "2012-12-12 V1.0.0.16_EN" and newer variants).
- ASUS RT-N66U "Dark Knight".
Tested 2.4ghz and 5ghz, varrious combinations of WEP,WPA-PSK, WPA2-PSK, WPA2-AES. It makes no difference the ONLY router from the above 4 that works correctly when downloading over WiFi from the Play Store is the Tenda N60 using the early release stock firmware "2012-12-12 V1.0.0.16_EN" that the router is shipped with. Even with the Tenda N60 if yuo upgrade the firmware to newer releases of stock firmware it will cause the issue to return.
Now this is an issue specific to the Nexus 4, I also have a Nexus 7, Samsung Galaxy S3, HTC Desire, Huawei Ascend G300. None of these devices have this issue using any of the router or firmware revisions. i.e: I can download from Google Play over the same WiFi connection with no problems.
I have had my Nexus 4 swapped for a replacment and the issue remains. So I've come to the conclusion that it's defintiely device specific the Nexus 4 has something inherently wrong with it..whether it's WiFi Drivers, Android Kernel, WiFi Chipset I dont know.
It doesnt affect all WiFi conenctions I can use my WiFi connectiona t work and the issue doesnt occur. It's strange that the cheapest router of the 4 I ahve tested i.e: The Tenda N60 is the only one that works consitently, I have never seen the "package file is invalid" issue using this router and Tenda firmware "2012-12-12 V1.0.0.16_EN".
This basically rules out any ISP, or WiFi security settingas as I used the same SSID, Security types and Network Key on the Tenda as the other 3 routers..
Poor show by Google, they obviously dont care about fixing this issue.

So your router having an issue is a Google problem? Well done coming to that conclusion...
For what it's worth, I have no such issues with my home router (Thomson) or my work WiFi network (no idea what router we have here but it's probably a Linksys/Cisco jobby)

EddyOS said:
So your router having an issue is a Google problem? Well done coming to that conclusion...
For what it's worth, I have no such issues with my home router (Thomson) or my work WiFi network (no idea what router we have here but it's probably a Linksys/Cisco jobby)
Click to expand...
Click to collapse
Ermm...you might want to read that last post again, 4 different routers from different manufactuirers with different WiFi Chipsets (Linksys x 2, Tenda, ASUS) tested with stock and 3rd party firmwares all exhibit the same issue with the Nexus 4. Where as NO other android device or any other WiFi device on my network including a Nexus 7 with the same version android version as my Nexus 4 (4.2.2 ), connected via the same routers have any issues, even side by side downloading the same app from the Play store at the same time the others will suceed the Nexus 4 will fail the download "package file is invlalid" which sounds like a data corrption issue.
Co-incdecne thats it's only the Nexus 4 that has these issues ? I highly doubt 4 different routers are all faulty...especially since it's only the Nexus 4 that has this issue.
If you check the google code pages you'll find several other people complaining of the same issue.

gsmtechuk said:
Ermm...you might want to read that last post again, 4 different routers from different manufactuirers with different WiFi Chipsets (Linksys x 2, Tenda, ASUS) tested with stock and 3rd party firmwares all exhibit the same issue with the Nexus 4. Where as NO other android device or any other WiFi device on my network including a Nexus 7 with the same version android version as my Nexus 4 (4.2.2 ), connected via the same routers have any issues, even side by side downloading the same app from the Play store at the same time the others will suceed the Nexus 4 will fail the download "package file is invlalid" which sounds like a data corrption issue.
Co-incdecne thats it's only the Nexus 4 that has these issues ? I highly doubt 4 different routers are all faulty...especially since it's only the Nexus 4 that has this issue.
If you check the google code pages you'll find several other people complaining of the same issue.
Click to expand...
Click to collapse
All I'm saying is the 2 routers I use most have no issues and neither does the one my parents, my local pub or any of my friends. Might be a UK thing, I don't know, but I've never had a problem on WiFi at all...

EddyOS said:
All I'm saying is the 2 routers I use most have no issues and neither does the one my parents, my local pub or any of my friends. Might be a UK thing, I don't know, but I've never had a problem on WiFi at all...
Click to expand...
Click to collapse
I agree with that, maybe it's even a particular hardware batch of N4's, not sure. I can use my N4 fine on my work WiFi and other locations. Like I said it does work on my home WiFi if I use The Tenda N60 router with it's early release stock firmware, any firmware upgrades cause the problem to return though. But it cant be right that you should have to use a specific router and specific firmware which you cant upgrade without breaking the N4.
I've got another support case open with Google Play which they've apparently passed to their techs, lets see what they come back with... I have heard of someone with this issue using a custom ROM with a different Kernel to the Google stock build which includes newer Qualcomm Prima WiFi drivers (Paranoid Android) , they claim this fixes the issue for them.
Im relectant to flash a custom ROM and void warranty though for a basic feature that should work out of the box though.

I tried a lot of different things but nothing seems to have worked sadly.. I'm gonna update my ROM tomorrow to CM10RC4 and see if that helps, though I doubt it's the ROM's fault. Btw, I had the same issue with the stock ROM too

I've been having this problem whenever my portable wifi device connects to a slow mobile network. All my friends connect to my hotspot, but only my Nexus 4 gets the "Package file is invalid." error. For months, I've had to contend with switching to mobile data just to finish my downloads.
My only conclusion is that the Nexus 4 has a problem with slow connections over wifi by corrupting the data transmitted. It's fine when using mobile data.

Check this out:
http://forum.xda-developers.com/showthread.php?t=2300873
It requires the phone to be rooted. I'm already testing it out now.

I cant verify 100% yet but my Nexus 4 took the Android 4.3 OTA update yesterday. I have since tried several WiFi downloads over WiFI from the Google Play store and not a single one has failed !
So my intitial thoughts are that the Android 4.3 update has recolved this issue..and it was indeed a bug/fault in the previous versions maybe it's the new kernel, Qualcomm Prima WiFi drivers, New Google Play app... But whatever it is. It seems to have fixed the issue. Well done Google about time too !
The only down point is the denial of any issue their end from Google Play staff and blatant lies they tell customers about not knowing about such bugs.

gsmtechuk said:
I cant verify 100% yet but my Nexus 4 took the Android 4.3 OTA update yesterday. I have since tried several WiFi downloads over WiFI from the Google Play store and not a single one has failed !
So my intitial thoughts are that the Android 4.3 update has recolved this issue..and it was indeed a bug/fault in the previous versions maybe it's the new kernel, Qualcomm Prima WiFi drivers, New Google Play app... But whatever it is. It seems to have fixed the issue. Well done Google about time too !
The only down point is the denial of any issue their end from Google Play staff and blatant lies they tell customers about not knowing about such bugs.
Click to expand...
Click to collapse
Ironically, the 4.3 update on my Nexus 4 yesterday actually seemed to trigger the Package File is Invalid error, as it wasn't a problem before. MX Player and Jetpack Joyride are triggering this for me atm. Anyone else still have this on Android 4.3?

Several devices.....
Lutrinae said:
Ironically, the 4.3 update on my Nexus 4 yesterday actually seemed to trigger the Package File is Invalid error, as it wasn't a problem before. MX Player and Jetpack Joyride are triggering this for me atm. Anyone else still have this on Android 4.3?
Click to expand...
Click to collapse
Having the same issues on all of my devices, but only while trying to download on my home wi-fi. Like the OP said, anything over 5mb won't download. Droid Razr M, Droid Razr HD, Note 10.1, Tab 2 10.1, and Nexus 7 (running 4.3), I cannot figure out what changed on my Belkin router (AC900) to cause this to happen suddenly. It was just noticed last night, and I have spent hours today trying to find a fix, and creating more problems to fix. If anyone has any step by step instructions of how to fix this, please explain to me like you would a 6 year old. BTW, rooting is not an option of all of these devices, so please make it a root free option. And I have cleared all caches/datas and done all the force stops recommended, as well as removed the google accounts and readded them.

[Q] Tab 4 7.0 forgets wifi

After an hour on the device it simply forgets it's connected. Even if I'm watching a movie it will stop aND say no connection. I've returned it once so I think it is software vs hardware. Anyone else?
Goofy

I had a 7.0 for a week and not one had problems
Sent from my HTC One_M8

Yeah mine does that also, not my fave, but I just turn the wifi off and then back on again. Sometimes it only stays on the wifi for 10 minutes! Hope there is a fix at some point.
Sent from my SM-T230NU using XDA Free mobile app

Seems like a Samsung issue....
Looks like all along the Galaxy lineup there are wifi issues.
I tried everything, preventing wifi from sleeping, using wifi fixer, nothing seems to work.
Sometimes my wifi will stay connected, the upload will work, but I get no download.
Rebooting wifi on quick toggle seems to only do the trick.

Have you all updated the software?
Sent from my HTC One_M8

smknutson said:
Have you all updated the software?
Sent from my HTC One_M8
Click to expand...
Click to collapse
Yep, I updated to the latest software the moment I received the tab

Hmm, have you tried with more than one WiFi connection?
Sent from my HTC One_M8

smknutson said:
Hmm, have you tried with more than one WiFi connection?
Sent from my HTC One_M8
Click to expand...
Click to collapse
Yep, seems to do it more often with a 5Ghz connection than 2.4 though.
None of my other 5Ghz devices (3 iPhones and an iPad) drop wifi.
Signal is on clearest channel available.
Pretty much isolated everything outside of this tablet.
I'm pretty techy with my home networking, so I'm at a loss with this one.

Yes, it has been updated and yes it has occurred on my home wifi, my work wifi, my doctor's office wifi, and unfortunately the hospital's wifi. All with the same outcome! My S5 doesn't do it nor did my S4 running Kit Kat.

So, still no fixes for this! As a previous poster now it is getting where if I'm playing a game it will drop after 10 minutes! I have power save off everything. While hitting the WIFI on off button works it is highly annoying! I want my WIFI all the time not when my tablet thinks I should!
Goofy

Think I have a solution http://tinyurl.com/nfbgxds
Hope 5th is will help out so far so good for me!

I just got this tab 4 7 inch last week and I am having the same problem with connections showing connected but not having any data transfer. The steps in the above link did not help for me.
I have updated to the latest firmware posted on sammobile, both the Canada version and the nook (BNN) version. Neither have made a difference.
I have found another thread in thisnforrum for this same problem, and there wasn't any solution there either.
I did find wha I think might be solution but haven't proofed it yet. in the build prop there was two "ro.carrier" lines. I think there is only supposed to be one, so I commented out one.
Original Example:
ro.carrier=wifi only
ro.carrier=unknown
Changed example:
ro.carrier=wifi only
#ro.carrier=unknown
If anybody can confirm this makes a difference or not please post results
EDIT::
After two weeks without problem anymore it appears the fix was the static IP address not the build prop change.
I found threads going back to at least 2007 about Samsung devices having trouble with dhcp and all the solutions being manually assign a static IP to the device.

Same issue here. Sometimes I have to cycle the WiFi every webpage!
Both of the above solutions didn't work for me, unfortunately.
Edit: Okay, I may have found the issue, at least for me. Turns out, the tablet was auto-assigning the same IP as my RasPi. After setting a static IP, everything looks okay from here. Hope this helps!

Changing to static IP did nothing, I was having to reset wifi on the tab every time I turned on the screen.
I even had wifi fixer constantly running.
Finally updated to NJ3 and everything is working properly.
Looks like it's a FW issue.

correction-
mrmazak said:
Example:
ro.carrier=wifi only
ro.carrier=unknown
Changed example:
ro.carrier=wifi only
#ro.carrier=unknown
If anybody can confirm this makes a difference or not please post results
EDIT::
After two weeks without problem anymore it appears the fix was the static IP address not the build prop change.
I found threads going back to at least 2007 about Samsung devices having trouble with dhcp and all the solutions being manually assign a static IP to the device.
Click to expand...
Click to collapse
It should be one line:
ro.carrier=wifi-only
Script can be added however by attacting to the rom on the correct line parameters and scripting for digital on board configuration (no smart card) QMAL gsm, gprs, 3g, 4g, even lte or 5g, or 6g, no sim card required researve slot for world phone, or dual networking. The problem is each phone has to be separately programmed so cell companiesnhave walked away from needing higher qualified employees by switching to smart cards. Cost way less and employes way less people and note, your phone didnt cost you a penny less. I been doing cell phone tweaking since the motorolla brick was cool. Currently I used Samsung Galaxy Note 8010 64-bit 32 gig converted to XAC (its the industry's mobile payment recieveing device you see at bars, its made from the model previous mentioned)[to-wit-it says on their site not to tell anyone about]-or else- build then added Debian, Jessie. Then switched the imei to XAC, installed the telephony.manager.is_network_roaming=true along with the prpper scripting for the support and am hooked up to Sask-Tell. Once I got it connected and registered so it had a sign in address with the system i swutched the imei to all 000000000000's now they dont even send me a bill. But it works. The guy at the phone company couldnt even tell me where i was calling him from and he said my phone was disconnected while I was on the phone with him from the disconnected number. lmfao have a good day.

WiFi still having issues on 4.5.3 build

Even if with new 4.5.3 build, wifi problem persists.
And I think I've understood now what's happening.
On auto mode (both bands), when near from router, everything works correctly. When far from router, wifi doesn't work .
The solution? Choose only 2.4ghz or 5ghz, not automatic, as someone already said.
I'm starting to think that this is an hardware problem... Not software... And I'm scared. If near to the 14 days return policy (I think) it isn't solved, I'm returning my device probably. I'm scared it could be an hardware problem (yes, OnePlus always have some hardware problem, on screen, or something.. this case maybe it's WiFi).
What do you guys think?

I never had any issue with Wi-Fi. Automatic, and it's 2,4GHz. After i tap the WiFi icon, it's tuning on automatically. I recommend you to send hack the device if the problem persist.

It is connected always to the network, 2.4g or 5g, but doesn't open anything. Any page, any speed test, nothing.

Are you mixing your n/ac bands? If your have an n router and the phone is constantly try to connect to ac? I don't know but anything is worth checking. Like force your router to one of the other

I had this problem when I had data saver turned on in Chrome. I turned it off, and it worked like normal.

It may specific to your device. RMA soon.
Sent from my ONEPLUS A5000 using XDA-Developers Legacy app

Is anyone using pi-hole as DNS and find it not connecting to internet or in some application that internet is not available but apps like browser still connect to internet and work ? Never had problem with WIFI when using pi-hole as DNS. this must be WiFi related bug
Sent from my ONEPLUS A5000 using XDA-Developers Legacy app

Nope... Nothing works. Buts only on 5ghz. On my OnePlus 3 everything works fine.

I have the same problem, you are not alone lol

Fusionalex said:
I have the same problem, you are not alone lol
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Click to collapse
And do you think it is software or hardware fault?

My wifi works fine..zero issues.

same here

Z51 said:
My wifi works fine..zero issues.
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Click to collapse
On 5Ghz?

djeyreaper said:
same here
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Also problems?

mrasquinho said:
Also problems?
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Click to collapse
Nu actually i have 0 issues with my oneplus. I have a ipv6 rooter with both bands 5 and 2.4. Both work flawless. U really shoud test it on other rooters with different configuration(ac+n;ac only; n only; b+g) and see if the problem persists. My recomandation is 2 check the interferance level and scan for possible problems comming from u're neighbours that use same band as u (i had issues with my lg g3 because my wifi had the same band as my neighbours and had huge interference).

djeyreaper said:
Nu actually i have 0 issues with my oneplus. I have a ipv6 rooter with both bands 5 and 2.4. Both work flawless. U really shoud test it on other rooters with different configuration(ac+n;ac only; n only; b+g) and see if the problem persists. My recomandation is 2 check the interferance level and scan for possible problems comming from u're neighbours that use same band as u (i had issues with my lg g3 because my wifi had the same band as my neighbours and had huge interference).
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Click to collapse
If other phones works ok with that router configuration, why should I change router settings to match OP5 needs?
Also, OP5 doesn't work on my work's 5Ghz network, so... It can not be router related.

mrasquinho said:
If other phones works ok with that router configuration, why should I change router settings to match OP5 needs?
Also, OP5 doesn't work on my work's 5Ghz network, so... It can not be router related.
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Click to collapse
Diferent phones diferent receivers/parts . It may be a compatibility problem i dunno ( i cand only suggest some workarounds) i didnt work at the building of 1+5 so... it is your decision if u want 2 investigate the problem or just move forward and maybe select another phone that fits your rooter.

djeyreaper said:
Diferent phones diferent receivers/parts . It may be a compatibility problem i dunno ( i cand only suggest some workarounds) i didnt work at the building of 1+5 so... it is your decision if u want 2 investigate the problem or just move forward and maybe select another phone that fits your rooter.
Click to expand...
Click to collapse
No, I like this phone, so I'm trying to staying with it. I guess this is a software problem on the phone... I hope.

There was another thread on this: https://forum.xda-developers.com/oneplus-5/help/wi-fi-connection-dropping-ipv6-t3627933
I was having problems yesterday morning right after updating to 4.5.3. It was only acting up on 5GHz.
That said, I've had PingTools set up to check every 15 minutes and I haven't seen any drops in the last 20 hours. The only thing I'd done to the phone was remove the tempered glass screen protector, but I have trouble believing that was the cause(!)

My OP5 arrived today and everything works perfectly. After reading the forums thoroughly for a week I knew what to look out for.
If the problem persists I would RMA, it'll be annoying to have the delay to use the phone, but better to have one that works in perfect order.