[Q] Wifi sometimes loses internet - AT&T Samsung Galaxy S II SGH-I777

I've been having this problem for about a week now (no wifi problems at all before then). Occasionally when I try to use my phone to access wifi I'll be unable to access the internet (tested using Opera Mobile), even though I'm connected to the network (AirDroid works fine, my phone shows up in the router settings). Turning wifi on and off doesn't fix it. The only solution that I've found is going into airplane mode for a tiny bit (fraction of a second). This fixes it every time, but it's a pain in the ass to have to do a few times a day.
When this first started I thought it might be related to me having changed my wifi sleep policy to when the screen is off, but I put it back to "never" and I'm still having this problem. There doesn't seem to be any pattern to when it happens. It never happened at college (where I was constantly moving around and switching between different routers), and it happens both at my house and at my friends' houses (where we each only have a single router).
I'm rooted with stock 2.3.4 ROM and a kernel with CWM (but otherwise stock, I believe).
Any ideas?

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[Q] Wifi sharing error after 40 minutes

Hi everyone,
I have the following problem:
I turn on WiFi sharing, and connect to it with my PC (Win 7). After a while (40-60 minutes) the sharing stops. The blue icon stays in the notification bar and my PC keeps reporting "connected", but nothing goes through. I cannot ping the internet, and sometimes not even my phone (sometimes pinging 192.168.43.1 works, sometimes not). I run Gingerbread 2.3.4.
If I turn off WiFi sharing and try to turn it back on, it reports "Error" on the phone, but if I now try again it works flawlessly for another 40-60 minutes.
I tried Barnacle WiFi Tether (it was even more unreliable), and some other types of Tethering apps.
I don't want to use USB tethering, because sometimes I need to connect with more PCs.
Any solution?
Is that with continous use on wifi? I.e. is there any lengthy periods where you're not actually using data, like reading a document for 10 mins?
My wifi tends to drop the connection after x amount of mins idle, it will show connected also, but it has to be disconnected and reconnected to work again, unless im downloading continously or watching a video (not letting the wifi connection idle).
Its 'normal' from my experience.
One thing you can try however is go to settings --> wifi --> menu key --> advanced and set wifi sleep policy to Never, see how that works for you?
Hi!
No, actually I am playing League Of Legends (an online game) continuosly. The connection seems to hold on longer if I am just browsing the net, but eventually it always gives up.
It was not a problem with ICS 4.0.3, but there the 3G gave up and it was really hard to get the connection back, so it was even more unusable.
Did you try altering the wifi sleep policy? See if that helps
I think the Wifi sleep policy only affects normal Wifi usage where the phone is the client. Anyway, I checked and it is already set to "Never", as you suggested.
Update: I was using XWKI4 with Nimphetamine kernel until yesterday. I have tried KI4-CFRoot kernel too, but that wasn't any better. Finally, yesterday I updated to KL1 stock kernel. I changed only the kernel, so it is a KL1 kernel with an otherwise KI4 ROM.
The sympthoms seem to have disappeared now. WiFi sharing works flawlessly. Fingers crossed...

[Q] wifi issue

My wifi connection often wrong, always in after a period of using, have no access to the Internet. Every time the wifi turned off to open another can get to the Internet, can wifi signal is always full. I searched a lot of method to did not solve, including XDA * # # 0011 turn off on wifi power save mode, when problem solving, but after a while just the same. And with only G mode and so on route, are not solutions. Change a lot of Rom, the kernel baseband all not line.Who's a way to solve?
I am not sure if this is the case but - have you tried different router? My S3 for example has issues when I go to my friend's house (he has some old/er Belkin router). However, when I am home wifi is blazing fast and no issues what so ever (cisco e3000).
my phone has a slight different problem, the phone detects strong signal for all my wifi, but will only save it, and not connect right away, some will not even connect, and sometime the speed is very slow.
BobFL said:
I am not sure if this is the case but - have you tried different router? My S3 for example has issues when I go to my friend's house (he has some old/er Belkin router). However, when I am home wifi is blazing fast and no issues what so ever (cisco e3000).
Click to expand...
Click to collapse
I am sure there is no porblem with the router,SGS2 and IP4s with the same router is fine.
I'm getting WIFI problems when waking from deep sleep. My settings are set to keep WIFI on when sleeping only when plugged in, as i find this extends my battery life a little more.
Sometimes it reconnects when waking up, and other times it doesn't and i have to turn WIFI off and then on again to force it to scan and reconnect. If i don't do this and check WIFI, it says it's scanning, but never finds or connects to a network.
Anyone else get this?! I read somewhere about sleep of death on GS2?
There is a known problem with the wifi, I have just changed my phone and so far evrything is working.
been through 9-10 phone with different problems.
Ok, i've tried turning off WIFI power save in the system settings *#0011#
I'll report back with my findings in terms of waking from sleep and possible additional battery drain...
Turning off powersave didn't help on my speeds tho. My SGS2 can pull around 5-600KBs a second, while my SGS3 only pulls roughly half despite being at the roughly same location (ie laying next to each other)

Wifi and Data connection switching problem. Please help!

This may seem like a minor issue, but it's driving me crazy.
I always set my Wifi to "Always on" on my devices, so that when I pick up my phone or tablet, it's connected and I don't need to wait for it to switch to Wifi and make a connection. This usually works great except on my HTC Desire. Something to do with HTC's connection manager stubbornly switches to the wireless data (3G/4G) connection even though I'm already on Wifi.
Basically what happens is this: I'm using my phone on Wifi, I put it to sleep, set it aside. I pick it up a second, a minute or hours later and turn it back on. It's still connected to Wifi, but then the connection manager toggles over to 3G for no reason at all. Then a few seconds later it flops back over to the Wifi connection.
Again, this may seem like a minor problem, but when I've told my phone to stay on Wifi, I'd like it to stay that way. Plus, the way it works, I'm usually already in an app by the time it toggles my connections, so I'm stuck sitting there and waiting while it does it's thing.
At one point I used Titanium Backup to freeze one of the connection managers that I found in the app list, but that didn't seem to stop it. Does anyone else know which app is doing this nonsense?
I'm on stock 4.2.2 (or whatever the phone came with). The phone is currently rooted.
Thanks a lot!

WiFi Reconnection issus

Anyone else having problems reconnecting to a WiFi connection, or even seeing WiFi SSIDs after disconnecting from WiFi?
This happens to me intermittently. I have 5 WiFi SSIDs in my house. 2.4G and 5G from the FIOS router, and the same from a WiFi access point on another floor at the other end of the house, and a Guest network from the AP. I can normally see all of them from any point in the house, as well as half a dozen from nearby neighbors. And my s9+ normally connects, automatically, to my primary 5G connection without any problem.
But occasionally, after being out and coming back home, or after the phone has been asleep for a while, it won' see any SSIDs. Not mine, or the neighbors. I've tried scanning for WiFi networks, turning WiFi off, waiting a few, and turning it back on, but it doesn't see anything, and won't connect. I've even tried manually inputting the name of one of my access points, but the phone won't find it.
Turn on WiFi automatically is on, WiFi power saving mode is off (although I've had the same issue with it turned on), Keep WiFi on during sleep was set to While charging. I've changed it to always, but it will be a while to see if that helps.
The only way I've found to get it to see WiFi networks again is to reboot the phone.
Oh, and other devices, including other Android phones, see all the SSIDs without issue.
Any thoughts or ideas?
I have te same issue here, I can't find a fix.
Mine will not connect to mobile date after I turn my wifi off. I have to reboot the phone in order to be able to make a call or use data. It all seemed to happen when a pop up came on to enable wifi calling. I can't figure out how to turn that off.
I don't have acupp1's issue with mobile data, but I seem to have resolved the WiFi connection issue by not letting the phone turn WiFi off during sleep. Haven't had the problem since I changed that setting.
I got the same problem since I rooted
Been trying to figure out if its a VENDOR Firmware problem or what. I do know that every developer says its a bug with the s9 when rooting. I've personally watch the live log on TWRP when flashing and seen where it mounts the VENDOR Firmware and then unmounted at the end. So it could possibly be a problem between TWRP and the s9 ROMs idk know exactly yet but I'm looking for a solution also. But I'm going to try what you did with your WiFi then report back here.

Question Pixel 6 wifi keeps turning on after I turn it off

Hi folks,
Weird thing happening to me while I'm out of the country on vacation. Being out of the country is probably irrelevant though.
I'm in a hotel that has crappy slow "captive portal" wifi. So, you connect to the SSID without password, and it redirects you to a login page (name/room number), then it provisions the device.
The wifi frequently hangs or disconnects here, and is super slow even when it is working, so I decided to bail and just use my phone's mobile data. So I went into Internet and turned off the wifi. Slid that switch to OFF.
Looked down an hour later when I had trouble connecting to a site and found the wifi was back on and connected to the hotel site. I turned it off again, but shortly the same thing happened again.
Eventually I turned off the other part, where it can scan in the background for improved location etc, and THAT seems to have stopped the problem, but why does the wifi keep turning on and connecting when I've explicitly switched it off?
Bug? Feature?
Bit of a guess... you are on data roaming? If roaming, I bet the phone is looking for "better options" if discovery is on, and it will re-connect if it finds a wifi that it can use. I'll go with buggy-feature.

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