Wifi issues please help. - Galaxy Tab 7.7 Q&A, Help & Troubleshooting

Suddenly my tab is not connecting to my home network, it sees it but I have to reenter the wap password every time. Anyone have this issue? How can I resolve it?
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Send it to me and i will help you fix it

long6688 said:
Send it to me and i will help you fix it
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Haha funny
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Im serious
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adinis78 said:
Suddenly my tab is not connecting to my home network, it sees it but I have to reenter the wap password every time. Anyone have this issue? How can I resolve it?
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Now to a serious constructive reply...
Please explain what you have exactly done in between working and not working. Anything at all.
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UpInTheAir said:
Now to a serious constructive reply...
Please explain what you have exactly done in between working and not working. Anything at all.
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Haven't done or changed anything. I have wifi on my tab turned on at all times. When I leave my house the tab disconnects and when I come home it reconnects until yesterday. When I got home yesterday I noticed it wasn't connecting, my tab recognized my home network with no problems but I had to reenter the password. Very inconvenient if I have to enter the password every time I am home.
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Have you tried the obvious, reboot the router, then reconnect?
Also, does it forget the password with any other router?

I have the same problem too. And it doesn't only happen at home but also other networks.

i had noticed since the upgrade (via mobile odin), my tab 7.7 longer see the 5ghz wifi network, however my note 1 and other devices sees the 5ghz network just fine

ioki said:
i had noticed since the upgrade (via mobile odin), my tab 7.7 longer see the 5ghz wifi network, however my note 1 and other devices sees the 5ghz network just fine
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Samsung firmware bug reported in other threads for some certain routers.
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ioki said:
i had noticed since the upgrade (via mobile odin), my tab 7.7 longer see the 5ghz wifi network, however my note 1 and other devices sees the 5ghz network just fine
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a full wipe also fixed this issue..

Related

Wifi issues

I just got my 7.0 and love it but the wifi keeps disconnecting. It'll reconnect but it messes up my downloads. Does his seem to be a problem with the 7.0 or did i just get a bum model?
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hersh40 said:
I just got my 7.0 and love it but the wifi keeps disconnecting. It'll reconnect but it messes up my downloads. Does his seem to be a problem with the 7.0 or did i just get a bum model?
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did you updated your tab?
Try removing n/w and re enter wep/wpa key...
It should work
As i know their are some problem with routers with 5 ghz channels so try the 2.4 ghz channel and see if the condition resolved also try a different channel to broadcast by you router as channel 8 or 13 etc and see if connection improved or not if you could try it with different router and different connection as in your friend connection to see if connection still drops or not if still drops then return with warrany if no warrany may be you could think about flashing modem files by odin but i think it needs somewhat experienced users and may void warrany
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Media Streaming

Anyone else having issues streaming youtube or google play sample tracks over wifi? 3g works fine, wifi connection says "lost connection to server". Works fine w the other phones using wifi in the house. Tried restoring back to my first post root save w the same effect. Any thoughts?
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fallnSaint said:
Anyone else having issues streaming youtube or google play sample tracks over wifi? 3g works fine, wifi connection says "lost connection to server". Works fine w the other phones using wifi in the house. Tried restoring back to my first post root save w the same effect. Any thoughts?
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My youtube is touchy over 3G, might just be the connection but it'll play just fine unless I try to skip ahead.
Thanks KP.
I will try a different network today. Odd that the other androids in the house have no problem on the network. Thought it may have had something to do w the "officially unlocked" boot loader. But if no one else is having this problem it must be my network, or my phone. Maybe different protocols are used...?
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For posterity sake, I narrowed this issue down to my network. Specifically the Airave 2.5 that sprint just sent me.
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fallnSaint said:
For posterity sake, I narrowed this issue down to my network. Specifically the Airave 2.5 that sprint just sent me.
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That stupid thing causes my MMS to fail from time to time.
KitsunePaws said:
That stupid thing causes my MMS to fail from time to time.
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I believe it, pos... put it behind my router & all is well. Never did like the idea of having it between my router & modem anyway.
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WiFi broke after Flatline NVflash

Tablet can't seem to connect to wifi after doing the Flatline NVflash. Anyone has this issue? When nvflash was done, I reflashed TF700_10.6.1.14.10_WW_Boot_TWRP_2610 running on CROMi-X 5.0.3. Booted up to find out that wifi is not connecting. I even tried factory reset and restore my previous backup but still no luck. Don't know what else to do besides a fresh install of cromi, which I'm really trying to avoid.
I know that Flatline *uses* WiFi, but I see no reason how it could break it, at least across a reboot.
Reboot your tablet and post the output of lsmod and dmesg.
ok here's what came up after reboot
vnphatbuddha said:
ok here's what came up after reboot
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The log shows that the driver is loaded correctly, but WiFi is not turned on. What happens when you try to turn it on in Settings?
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Or maybe airplane mode? if not it must be something on the router side.
Its on in settings but says "saved, secured with wpa/wpa2" with a blank wifi icon on status bar. Also nothing happens when I click connect. Airplane mode is off too
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vnphatbuddha said:
Its on in settings but says "saved, secured with wpa/wpa2" with a blank wifi icon on status bar. Also nothing happens when I click connect. Airplane mode is off too
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by blank you mean gray? id say its an issue with your network, try forgetting the connection and rescanning.
Router is ok cuz all my other devices are connected on it
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vnphatbuddha said:
Router is ok cuz all my other devices are connected on it
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Well the wifi module is loading ok and wifi is scanning so there isn't an issue with the tablet. try tethering your EVOs connection to the tablet and see if it connects
Yes blank as in just an outline of the wifi icon, not greyed or color filled if it was connected with full reception
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Forgetting connection/scan and reconnecting many times already with same results. Wifi direct on tab doesn't pick up my EVO but my EVO is able to pick up tab n connected successfully. I'm going to try uninstalling notification toggle bc that's the only thing on my tab from what I can tell that has access to network settings
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Well just my luck....tried everything possible relating with wifi but still no connections. Guess I'll have to format sd and do a fresh install of cromi. Btw I'm on d2sd and if I were to wipe internal, does that delete the androidroot nvflash folder sitting in the internal memory?
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My wifi keeps disconnecting and reconnecting

Ever since my device got bricked and flashed the the original firmware, my connection on wifi keeps disconnecting and reconnects even though im like 10 feet away from my router. This bothers me because I cant play online games. Is there anyway to fix this?
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I suggest you turn off your router (or also disconnect the cord) for 30 seconds, turn off your WiFi on your phone, then plug it back in and turn on your WiFi again and check. Otherwise it might be a phone problem.
I'll give it a try
...When im connected to other wifi network this doesnt happen.
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new router maybe?
Panzer15 said:
I'll give it a try
...When im connected to other wifi network this doesnt happen.
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You should consider buying a new Wireless Router which is more powerful. As your statement, that this issue doesn't happen in other WiFi network, try to check the speed of your internet, traffic, etc.
My other devices works fine
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try to forget the network, restart your phone and connect again.
Panzer15 said:
My other devices works fine
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So the issue must be the communication between your phone and the device. Try to restart the phone, or remove your wifi, and then enable it again.
try this
go to settings> WiFi > advance > keep WiFi on during sleep > select always on
I tried, the problem is still there
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Panzer15 said:
I tried, the problem is still there
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you should do a data factory reset
This problem happen after flashing my device back to stock when bricked and when i noticed my wifi problem i tried factory reset and the problem still exist.
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problem solved and a question-why does unstable wifi mess with usb?
My phone kept getting disconnected from my computer. This was apparently happening because my wifi was unstable. Not sure why the phone disconnected, I was connected via usb. The wifi was unstable because I was using a proxy. When I use my comcast connection straight through the problems go away. If someone can explain why an unstable wifi can screw up a usb connection I'd be grateful. Windoze issues?

WiFi problems after 4.4.4

Hey guys and gals. Is anyone else having problems with their WiFi not connecting to certain networks after the 4.4.4 update? My phone will connect to my home WiFi with no problem..but won't connect to any other WiFi source. Any ideas??
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No issues here. Connects at home, work and wifi at other people's houses.
---------- Post added at 05:35 PM ---------- Previous post was at 05:34 PM ----------
Have you tried changing your wifi frequency on your phone?
Yep..it works fine at my house which is a 5gjz wifi network. But won't connect to anything else. Not even the mobile hotspot on my S5
Edit: changed the frequency band on my galaxy s5 mobile hotspot to 5ghz and now my Droid connects to it. It seems the phone will no longer connect to any 2.4 GHz networks
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Can anyone confirm that they have the same radio??
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dano1282 said:
Can anyone confirm that they have the same radio??
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Yes, here's mine.
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Does your phone still connect to 2.4Ghz WiFi networks??
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Yes, it does.
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dano1282 said:
Does your phone still connect to 2.4Ghz WiFi networks??
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Mine still cooks on 2.4ghz as well.
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I'm at my parents and connected to their WiFi no problem 2.4 GHz. At home I'm connected to 5 GHz no problem. I have experienced no WiFi issues.
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I have this issue with 4.4.2. Its been happening to me for awhile. I recently wiped my phone and started over and thought it was fixed but it can back last night.
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Solo...Verizon sent me a replacement device..and lo and behold..I'm having the exact same issue. I can not connect to any 2.4Ghz WiFi networks. I'm at a total loss as to how to fix this. Verizon replaced the phone with no argument.. Yet my replacement does exactly the same things.
dano1282 said:
Solo...Verizon sent me a replacement device..and lo and behold..I'm having the exact same issue. I can not connect to any 2.4Ghz WiFi networks. I'm at a total loss as to how to fix this. Verizon replaced the phone with no argument.. Yet my replacement does exactly the same things.
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Go to Settings > WiFI and press the menu icon, choose Advanced > WiFi Frequency Band. Ensure this setting is "Auto"
It is.
P.s. all of a sudden after a few reboots seems to be working.
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ok great!
asuhoops8628 said:
ok great!
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Now it stopped again...and won't connect to any 2.4ghz wifi again... sooo frustrating. It clearly has to be a bug in 4.4.4
dano1282 said:
Now it stopped again...and won't connect to any 2.4ghz wifi again... sooo frustrating. It clearly has to be a bug in 4.4.4
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Could it be your wifi router is going bad? are you having this problem connecting to networks other than your home network?
Yes. Nothing that runs on 2.4ghz. At my work that's all we have. At home on 5ghz works perfect. Router is dual band..and my S5 connects fine. Also when I turn on my S 5 mobile hotspot and set it to 2.4 gigahertz that doesn't work either
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dano1282 said:
Now it stopped again...and won't connect to any 2.4ghz wifi again... sooo frustrating. It clearly has to be a bug in 4.4.4
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Given that no one else (from what I saw here) can recreate, I would say it isn't software but hardware. CLNR devices do have issues. Call Verizon again and see what they say
I've contacted both Moto and Verizon. Verizon is sending me another replacement. Hopefully this one works better than the one I have in my hand at the moment. The strange thing is that the phone I had before this one was fine before 4.4.4. Sooo idk. If I don't have any luck with this next replacement then I will call Moto and have them send me a replacement.
Edit: its a shame too..cause this phone is ridiculously smooth
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UPDATE!!!: Soooo after 2 hrs in Verizon...an hour on the phone with customer service..and and hour on the phone with Moto tech support..a chance call from my Motorola rep and she fixed my phone in 2 seconds. Apparently..there is a glitch in 4.4.4 that prevents the lower frequency wifi from working with Bluetooth. Turning off Bluetooth and a quick reboot and WiFi is perfect!!
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