WiFi connection issue - Galaxy Tab 3 Q&A, Help & Troubleshooting

So we have two smt310's in our household. Both will connect to our sky router individually but when I try to connect both at the same time they end up kicking each other off the network! I've tried with dynamic and static ip's but still the same result?
One tab is running slimkat and the other cyanogenmod (both were running CM but I installed a different firmware in case, for some reason the firmware's were conflicting with one another).... I'm at a loss, any ideas guys? It's proper doing my head in!! ?
Sent from my SM-T310 using XDA Free mobile app

hi,
on just a quick search, the idea of spoofing your mac address may be what you need, check this thread
http://forum.xda-developers.com/showthread.php?t=2286440
alternately an approach by modifying your kernel might work, more intensive though
http://forum.xda-developers.com/showthread.php?t=1878506
also maybe download and install from fdroid an app called network discovery.
after install , first launch will prompt you to update NIC database, do so.
then run scan to find your modem and paste that address in your browser to access and modify/maintain
your modem from your tab. Not an intuitive setup so have a look at the app's config and adjust as needed.
m

Wow, cheers! A lot of things to try there, I never came across then when Google-ing! Good effort ??
Sent from my GT-I9505 using XDA Free mobile app

Bloody nice one @moonbutt74 it was my mac code, unfortunately flashing the kernel just left me with a bootloop so I tried to just delete the efs/wifi/mac_info file. Rebooted and low and behold my mac address was different and all the tablets now connect to the network at the same time!!!! Thanks so much for your help, I don't think I would have thought of changing the mac address! #legend
Sent from my SM-T310 using XDA Free mobile app

Related

Wifi tether

it works kinda slow but I was able to install app called hotspot toggle and I was able to pick it up on my ipad and netbook took awhile to get an ip but it worked!! I haven't figured out how to change the settings to put a wpa and stuff but indeed a nice solution for now till a root occurs
Sent from my T-Mobile G2 using XDA App
Awesome won't have to go back to my nexus one
Sent from my T-Mobile G2 using XDA App
Great find. !
This is also useful on nexus one as I don't have to go through all the hassle to turn on hotspot.
Great, I'll go out to buy G2 this week!
But how can I change the mobile hotspot settings on G2 when it's hidden?
Good question. I would like to know. Have yet to make a successful connection. But it is sending out a wifi connection. Just can't obtain a ip address. Only tried to connect N1. And to tired to find my laptop. Will try in the am. And post back
Can't get a connection but it is transmiting.
Sent from my T-Mobile G2 using XDA App
some people also tried it here:
http://forum.xda-developers.com/showthread.php?t=798247
apparently it broadcasts a SSID but doesn't assign a ip guess tmo knew what they were doing. pretty sure we could overcome this with root.
Master Loon said:
Good question. I would like to know. Have yet to make a successful connection. But it is sending out a wifi connection. Just can't obtain a ip address. Only tried to connect N1. And to tired to find my laptop. Will try in the am. And post back
Click to expand...
Click to collapse
According to what OP said, it may take a while to get IP.
I found the writter and I'll ask him to put additional mobile hotspot settings on his application.
mingkee said:
According to what OP said, it may take a while to get IP.
I found the writter and I'll ask him to put additional mobile hotspot settings on his application.
Click to expand...
Click to collapse
Awesome! Shows up as Open Connection - connected ...
releasing and attempting to renew now ...
EDIT:
Didn't pull an IP - I'm not convinced that there is a DHCP server running on Vision with just toggling the connection.
I now have a reason to install a Terminal Emulator and check out IFCONFIG xD
....
Tried IFCONFIG under normal and temp Root - nothing displays
Was this part of busybox previously?
Just got PDAnet and it seems to be working great
AZ2ENVY said:
Just got PDAnet and it seems to be working great
Click to expand...
Click to collapse
The problem is: both easytether and PDAnet don't work with Cradlepoint routers.
Wasnt aware of that . Thanks for the heads up !

Tethering: (Updated: 08/15/2013) Tmo Using More Elaborate User Agent Detection

Ok, here is my final conclusion and we can hopefully put this to rest, at least for some but hopefully many. Kal-El7 and myself spent quite awhile trying to figure out why tethering has suddenly stopped working for so many people. This may or may not be a solution for you in particular but it's good knowledge for those of you being affected or would be affected by this.
It appears T-Mobile has greatly expanded its detection of browser user agent clients. I can't seem to type just anything in a browser user agent spoofer. I used to be able to. Now it seems you must have a legitimate browser or you get the upsell. This has been my problem as of late and we couldn't figure out what was going on until we started ruling everything out. Oh, and make sure you don't use any Google web pages when testing user agents because apparently Google pages don't trigger the upsell page to appear (I think this has since changed and you may get the upsell). You can visit the following page for a comprehensive list of user agents:
http://useragentstring.com/pages/useragentstring.php
This is the string I use as my agent in Firefox using the Add-on User Agent Switcher 0.7.3:
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)
In Chrome, install the extension 'User Agent Switcher' and then select 'Internet Explorer 7' as your user-agent.
Update: 07/20/2013
All this time and only now do I realize I didn't even mention what ROM I'm using. DOH! I'm using Tweaked 2.3 (as of 08/15: Tweaked 2.4.1) with default kernel and no additional mods or tweaks. You can use the built in tethering but I prefer to use a tethering app for additional features not available stock.
Update: 08/15/2013
I've had requests about the tethering app I use so I'll outline exactly what app I'm using and what settings I use:
ROM: Tweaked 2.4.1
App: Android-wifi-tether 3.3-beta2
URL: http://android-wifi-tether.googlecode.com
If you're using Tweaked 2.3+ ROM (and probably other ROMs). DO NOT change APN options within Android settings as it is not necessary.
Make sure these settings are checked or unchecked in the tethering app settings:
Change Device-Profile = Samsung Galaxy S3
Change Setup-Method = Netd-Ndc (master)
Send Netd Max Client Cmd = Checked
WiFi-driver reload = UNCHECKED
WiFi-driver reload 2 = Checked
Routing fix = Checked
You can change other settings to fit your needs. If you discover anything useful while experimenting with the settings please feel free to post your results.
Thanks to Kal-El7 for all his help in ruling everything else out in order to come to this conclusion. I'm forever grateful that he took as much time as he did in helping me.
If you have been helped in any way by this post, please hit the thank you button. Thanks!
Sent from my SGH-T889 using xda app-developers app
LOL, this is funny! I used Dolphins Custom User Agent feature and put Windows IE user agent string in there and immediately got the tethering upsell page on my phone. So I guess this means the sky's the limit as long as we use a whitelisted user agent. Good stuff!
Sent from my SGH-T889 using xda app-developers app
you sure about this?
i found that tether stopped because of roll out of LTE in my area. so i had to use fast.tmobile apn instead of the epc.tmobile.com and change my apn type from IPv4 to IPv4/IPv6 and that was all.
here's my post on tweaked thread
http://forum.xda-developers.com/showpost.php?p=43635205&postcount=1839
Funny things is that I can trigger up sell text message without tethering and with wifi OFF. When I download videos from YouTube using tubemate and choosing high resolution videos to be downloaded, I receive up sell sms and data being blocked for use with tubemate, but still works with "regular" YouTube app.
Sent from my SGH-T889 using xda app-developers app
My apn protocol is greyed out. Can't change it. Anybody know why?
Sent from my SGH-T889 using xda app-developers app
gshadow325 said:
you sure about this?
i found that tether stopped because of roll out of LTE in my area. so i had to use fast.tmobile apn instead of the epc.tmobile.com and change my apn type from IPv4 to IPv4/IPv6 and that was all.
here's my post on tweaked thread
http://forum.xda-developers.com/showpost.php?p=43635205&postcount=1839
Click to expand...
Click to collapse
Yes, I'm sure. I can use LTE while wifi tethering just fine as well. I'm using Tweaked 2.3 ROM and I do not need to turn on the tethering apn options in settings. I am using the latest android-wifi-tether for root app found here:
https://code.google.com/p/android-wifi-tether/downloads/detail?name=wifi_tether_v3_3-beta2.apk
As long as I properly spoof my user agent I'm good to go. Been watching Hulu in HD on my desktop and used up 30gig over LTE. Life is good.
Sent from my SGH-T889 using xda app-developers app
I don't tether at all, but hit about 6GB per month on my phone , and I get the up sell text message 2/3 times per cycle. The last one always states that tethering has been blocked.
Amd4life said:
I don't tether at all, but hit about 6GB per month on my phone , and I get the up sell text message 2/3 times per cycle. The last one always states that tethering has been blocked.
Click to expand...
Click to collapse
You get that message without even turning on the Wi-Fi hotspot or USB tethering at all?
Sent from my SGH-T889 using xda app-developers app
i_guana said:
You get that message without even turning on the Wi-Fi hotspot or USB tethering at all?
Sent from my SGH-T889 using xda app-developers app
Click to expand...
Click to collapse
yep get it every month, I was curious as to what it was actually till I read this thread. I don't tether or turn on hotspot. Maybe they look at the volume of data, and assume I am using a PC
Amd4life said:
yep get it every month, I was curious as to what it was actually till I read this thread. I don't tether or turn on hotspot. Maybe they look at the volume of data, and assume I am using a PC
Click to expand...
Click to collapse
Not really sure on that one. I've only received that when actually triggering it doing the obvious. This is the first I've heard about that as a random occurrence.
Sent from my SGH-T889 using xda app-developers app
Tethering stopped working for me since LTE became active in my area. However, I can still tether using the User Agent spoof, but I never like using it because it restricts me from streaming netflix on my browser. The only way I can get around this is by rolling back to 4G APN settings and changing Network mode from LTE/4G/3G/2G to 4G/3G/2G. Now my tethering is working just fine.
SC23 said:
Tethering stopped working for me since LTE became active in my area. However, I can still tether using the User Agent spoof, but I never like using it because it restricts me from streaming netflix on my browser. The only way I can get around this is by rolling back to 4G APN settings and changing Network mode from LTE/4G/3G/2G to 4G/3G/2G. Now my tethering is working just fine.
Click to expand...
Click to collapse
Copy/Paste this user agent string exactly as it appears below into your agent spoofer and report back if you can use Netflix. Working for me.
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)
i_guana said:
Copy/Paste this user agent string exactly as it appears below into your agent spoofer and report back if you can use Netflix. Working for me.
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)
Click to expand...
Click to collapse
It actually works! Thank you so much!
SC23 said:
It actually works! Thank you so much!
Click to expand...
Click to collapse
My pleasure!
Sent from my SGH-T889 using xda app-developers app
I am not quite sure why this is so constantly debated.
The fact of the matter is that changing your user agent does ABSOLUTELY nothing to hide your tethering. When you transfer data (more specifically data packets) over ANY network, those packets have very distinct packet headers. ALLLLLL they need to do is look at those packet headers and see the peculiar and distinct format for an uplink, and you are caught.
Amd4life said:
I don't tether at all, but hit about 6GB per month on my phone , and I get the up sell text message 2/3 times per cycle. The last one always states that tethering has been blocked.
Click to expand...
Click to collapse
I definitely use a minimum of double that, around a dozen gigs per month. I have never seen this message.
Work related data exchange.
Admiral Sir Manley Power said:
I am not quite sure why this is so constantly debated.
The fact of the matter is that changing your user agent does ABSOLUTELY nothing to hide your tethering. When you transfer data (more specifically data packets) over ANY network, those packets have very distinct packet headers. ALLLLLL they need to do is look at those packet headers and see the peculiar and distinct format for an uplink, and you are caught.
Click to expand...
Click to collapse
Well, it seems they don't employ that method.
Sent from my SGH-T889 using xda app-developers app
Admiral Sir Manley Power said:
I am not quite sure why this is so constantly debated.
The fact of the matter is that changing your user agent does ABSOLUTELY nothing to hide your tethering. When you transfer data (more specifically data packets) over ANY network, those packets have very distinct packet headers. ALLLLLL they need to do is look at those packet headers and see the peculiar and distinct format for an uplink, and you are caught.
Click to expand...
Click to collapse
T-Mobile cant see a single thing I do on either my phone or when tethered. All, and I do mean ALL of my data ( headers and data ) , runs into my home server over an rsa encrypted tunnel Granted, I dont need to tether often, but I do like my data privacy. Apparently T-Mobile is allowed to look deep into your data packets per the contract you signed with them. Doesnt that make you feel good? I mean ... if any of you are like me, I use my phone for online banking, RDP / VNC into government servers, FTP / RDP / SSH into my home servers, managing my personal website , etc.. Security is a big issue.
I also highly recommend against using public proxies as they will have full access to anything you do. It takes about 10 minutes to set up a home tunnel provided you are even the least bit tech savy ( which if you are on XDA and using roms, means you have some skills ). Granted you will want a halfway decent home ISP. The dedicated server can be as old as a p2 with 256Mb ram. Doesnt take much.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
pyraxiate said:
T-Mobile cant see a single thing I do on either my phone or when tethered. All, and I do mean ALL of my data ( headers and data ) , runs into my home server over an rsa encrypted tunnel Granted, I dont need to tether often, but I do like my data privacy. Apparently T-Mobile is allowed to look deep into your data packets per the contract you signed with them. Doesnt that make you feel good? I mean ... if any of you are like me, I use my phone for online banking, RDP / VNC into government servers, FTP / RDP / SSH into my home servers, managing my personal website , etc.. Security is a big issue.
I also highly recommend against using public proxies as they will have full access to anything you do. It takes about 10 minutes to set up a home tunnel provided you are even the least bit tech savy ( which if you are on XDA and using roms, means you have some skills ). Granted you will want a halfway decent home ISP. The dedicated server can be as old as a p2 with 256Mb ram. Doesnt take much.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
Click to expand...
Click to collapse
Lol nice
pyraxiate said:
T-Mobile cant see a single thing I do on either my phone or when tethered. All, and I do mean ALL of my data ( headers and data ) , runs into my home server over an rsa encrypted tunnel Granted, I dont need to tether often, but I do like my data privacy. Apparently T-Mobile is allowed to look deep into your data packets per the contract you signed with them. Doesnt that make you feel good? I mean ... if any of you are like me, I use my phone for online banking, RDP / VNC into government servers, FTP / RDP / SSH into my home servers, managing my personal website , etc.. Security is a big issue.
I also highly recommend against using public proxies as they will have full access to anything you do. It takes about 10 minutes to set up a home tunnel provided you are even the least bit tech savy ( which if you are on XDA and using roms, means you have some skills ). Granted you will want a halfway decent home ISP. The dedicated server can be as old as a p2 with 256Mb ram. Doesnt take much.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
Click to expand...
Click to collapse
Very nice. Security is always a good thing. Odd though that if they can see all that, why aren't they contacting me or sending me a threatening letter when I tether with no tunneling or VPN use? You would think after 200 gig over the last several months they would have said something to me by now. I mostly watch Hulu and Netflix in HD and that adds up in GB's quick. I very occasionally use BitTorrent but use BTGuard to encrypt its use. Still, no issues except for the occasional upsell page when I have a user agent spoofing issue. I think they use very basic detection schemes but elude to something more advanced. Proof is in the pudding as they say.
Sent from my SGH-T889 using xda app-developers app

Nexus 7 2013 LTE WIFI problems, nexus 7 2012 works

Alright guys, haven't been on here for awhile. My work has a public wifi network, one of those ones you have sign into through an internet portal. I had a nexus 7 2012 wifi only tablet, and it worked with my wifi at work. My HTC one also works with my wifi at work. There isn't any "real" login (ie username and password) it's only a "hey thanks for using this press continue to gain internet access"
I bought a nexus 7 2013 lte tablet last night. Took it to work today and it will not connect to my works wifi. There wifi provider is wandering wifi. The error i get is "Unable to connect to the internet, there were technical difficulties directing you to the wifi login page. we are working quickly to address any issues. please try again in a few minutes"
I can turn right around and log into the wifi with my htc one and my nexus 7 2012.
things i have tried:
-disabled mobile data
-removed tmobile sim
-restart tablet
-factory reset tablet
-used a different browser to complete login
-logged into my home wifi network (works)
things you should know about my situation
-not rooted on any of the three devices
-not unlocked on any of the devices
-no software modifications at all
-EVERYTHING IS STOCK on all three devices, but up to date.
Suggestions and tips would be great.
Thanks
Nick
the first thing i thought of when reading about this sort of access points like the one you have described is that i always have to activate cookies in order to log onto the wifi. but it seems that it may not be your issue since you already have tried with another browser...
oXnoX said:
the first thing i thought of when reading about this sort of access points like the one you have described is that i always have to activate cookies in order to log onto the wifi. but it seems that it may not be your issue since you already have tried with another browser...
Click to expand...
Click to collapse
Thanks for the reply, i did mean to add the fact that i cleared the cookies.. but i figured most would realized that comes with factory resetting and new browser lol
If the 2012 one is on 4.3 or less, and the 2013 is on kitkat, perhaps the wifi gateway requires flash, which is no longer supported on kitkat (unless one uses dolphin with the flash workaround).
In short, try it with dolphin with the flash apk enabled.
Both nexus 7s are on kit Kat. Logging into the WiFi web portal inside of Google chrome
Sent from my HTC6500LVW using xda app-developers app
HTML:
scarinu10 said:
Both nexus 7s are on kit Kat. Logging into the WiFi web portal inside of Google chrome
Sent from my HTC6500LVW using xda app-developers app
Click to expand...
Click to collapse
Ask the administrator what they are seeing in the logs.

[Q] Public WiFi Login

I'm currently using jlmancuso's Community ROM 3.2+.
A few places I frequent have free WiFi, but to use them, you need to accept their terms and conditions which is done via the browser. My problem is that this page never appears, so I can't accept their terms, and I can't use their WiFi.
My current solution is to find the URL of their login page from someone else's device, type it into mine, and bookmark it for use later. But I'd rather just have the page appear automatically as it should.
I *think* it has something to do with the Sprint Connection Optimizer, but I'm not sure.
If you connect to it then try going to any web page it should take you to the free access login page.
Sent from my SPH-L900 using XDA Premium 4 mobile app
jlmancuso said:
If you connect to it then try going to any web page it should take you to the free access login page.
Click to expand...
Click to collapse
That's the problem. The login page never appears. All I see is a message telling me that I have no internet access - actually, I think it says "<insert address here> is taking too long to respond."
And I know it's not a problem with the access point itself, because the wife's S4 connects to it without issue.
I've also tried clearing the cache and data for "Internet" (which erased my bookmarks - wish I had remembered that would happen - grrr) to no avail.
I think I will try installing a different browser - probably Chrome.
I've done NOTHING to my phone since posting this question - same ROM, same browser, everything - and now it's working as expected. I've no explanation.
My work offers guest WiFi this happens to some people try typing 8.8.8.8 into the browser that always tigers our page and is easier than remembering the real url
Sent from my SPH-L900 using XDA Free mobile app

[Q] Any reliable way to change MAC address permanently on E980?

Hi guys. I've been trying to dig for answers for the past couple of weeks. Somehow, about 3 weeks ago my wife's and my E980 ended up refusing to play nicely the wifi network. Did some trouble shooting, eliminating the router, other devices, only to find out that, for some reason, our phones now both had the same MAC address. This was causing a conflict, which was easy to prove just by shutting off one or the other phone.
Since finding this out, I've been digging around, but coming up almost empty. Wireless Mac Address Changer seems to be the only app I can fnd that will allow me to change the mac (with about a 50% success rate), but I'm hoping to find something that actually sets the address permanently. Most of the guides I've found here mention a file I can't find on my system (variations on VMAC). WCNSS_qcom_cfg.ini looked like it might be helpful at the start, but it looks like any MAC address put in there is overridden as the system boots.
I'll probably end up having to flash back to stock and slog my way back to my current install, but I'm hoping to put that off for a while if possible.
I'm running G3-OPTIMUS.G-PRO.V5.4 Final, Build Number KVT49L-12/10/2014
Baseband version APQ8064T-MDM9X15M/M9615A-CEFWMAZM-3.0.113060
Kernel 3.4.0
Can't remember what my wife is running specifically, but it's one of the similar ROMs.
Thanks for any help.
If youre running a Asop rom, you can flash the custom kernel for it, it has a bug that gives the phone a different mac address upon reboot.
Sent from my LG-E980 using XDA Free mobile app
ivoh95 said:
If youre running a Asop rom, you can flash the custom kernel for it, it has a bug that gives the phone a different mac address upon reboot.
Sent from my LG-E980 using XDA Free mobile app
Click to expand...
Click to collapse
Thanks for the reply, but no dice. I'm running a ROM based off of LG firmware. It goes into bootloop when I try to flash the custom kernel.
And, after months of trying spoofers, googling all over the internet and back, I stumbled across this post in the LG Optimus 4X HD forums. All those searches, just to stumble across bcmdhd.cal
I haven't tried it at home to see if it resolves the conflict with my wife's device, but the new mac address shows up in the system settings, which none of my other attempts did.

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