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20

It is not detectable, but using tethering on Android with an second device leaves a lot of traces: User-Agent Headers within HTTP that come from non-mobile browser Increased Traffic consumption Connection to services that are not available on Android/Smartphone devices (e.g. World of Warcraft) and many more I can't think of atm. But I have never heard ...


16

I decided to look up some data, and my guess seems to be correct: http://nesl.ee.ucla.edu/fw/documents/reports/2007/PowerAnalysis.pdf According to the report, Bluetooth takes the least amount of energy. However your 3G radio will probably take the most energy; maintaining a 3G connection without transferring any data is cheap, but once you start ...


9

The Galaxy Tab comes with Android version 2.2 (Froyo), this version of the Android OS comes with the ability to work as a WiFi hotspot for up to 5 devices built in. This lets you share your Tab's 3G connection out to other devices over Wifi. I've tethered wifi only devices like my Kindle 3, and a wifi Skype phone to my Galaxy S's wireless hotspot in this ...


8

I don't know of any way to do wifi tethering without root (before 2.2). You can, however, use bluetooth or a USB cable with PDANet which does not require root.


8

Unfortunately, there is no way to change the IP address range for the builtin tethering support, even in CyanogenMod. The Wi-Fi hotspot IP is hardcoded in android.net.wifi.WifiStateMachine.startTethering(); the USB tethering IP is hardcoded in com.android.server.connectivity.Tethering. However, if your phone is rooted, you can try using third-party apps for ...


7

There are apps on the market that can do this on most rooted phone. Barnacle is pretty popular for this and people seem to like it. Actually the first review for the app is someone doing exactly what you want to do just with an Ipad. Just search for "barnacle wifi hotspot" on the Market, good luck.


6

It's not possible to share a Wi-Fi via Wi-Fi, this would require two Wi-Fi chips. Only mobile data tethering is supported via Wi-Fi.


5

For completeness, now I got the tablet to connect to adhoc: wpa_supplicant.conf edit ctrl_interface=/data/misc/wifi/wpa_supplicant ctrl_interface_group=1010 update_config=1 ap_scan=2 #added ap_scan=2 so it scans all networks including ad-hoc #this causes priorities to be ignored below. #it just goes through the networks one by one. # this can really ...


5

Here's a version I developed that does it exactly like this - be aware there could be bugs in this, it may not work for CDMA/EVO as am in the EU using GSM! It is a client/server based architecture. Install To install the application, do the following: Plug in cable into device adb install WifiTether3G-release.apk The gist of the app is this: ...


5

Turn off mobile data usage. Go to Settings->Wireless and networks->Mobile network(you should uncheck this). Some manufacturers may have a widget for this, such as HTC did for my Incredible(v1).


5

If you have no reason to why the wifi drops, you might try changing the wifi sleep policy. The wifi sleep policy handles when or if the wifi connection shall switch to mobile data. If this option is set to the default value, When screen turns off, wifi connection automatically switches off when the phone has been idle for a while. You can try setting this to ...


5

The Android builtin wifi tethering is designed to use 192.168.43.1/24 as the server, with netd handling the tethering, using dnsmasq. First DNS range is 192.168.42.1-254 and and 2nd DNS range is 192.168.43.1-254. Netd is not easy to change. It requires a socket to communicate with it, and that socket is taken when android starts tethering. But going through ...


4

Here is the ultimate answer: First, on your phone, install a terminal-emulator from Android market, then run cat /proc/cpuinfo which will show you the detailed processor information of your phone (ARM5 in my case). Afterwards, you need to install an ARM5 cross-compiler environment on your Linux box (download Ubuntu and VirtualBox if you are a ...


4

The ADB over Wifi Widget works over mobile AP connections, though it does require root. You'd need to install it, place the widget on one of your home screens, and then tap it to turn on wireless ADB connections. The widget should then show the IP you need to connect to (ex: in my case it was 192.168.43.1) and the port to use (mine was 8000, but this is ...


4

Try enabling airplane mode. It will shut down all the radios on your device - cell, wifi, bluetooth. Then try explicitly turning the wifi back on. Not all devices support this - driver issues, I think - but in many you will wind up with the cell radio disabled and the wifi on.


4

Download Barnacle Wifi Tether This app will load it's OWN drivers and actually use your phone as a modem. I have used it once before with my X8 Android 2.1 also.


4

In Android 4.2 and later, you can tell Android which Wi-Fi networks are mobile hotspots. In the device Settings, go to the Data usage page, then open the overflow menu (the three dots in the top-right) and click Mobile hotspots. It shows a list of Wi-Fi networks known to the device: tick any that are mobile hotspots. Then, when you're on a network that's ...


3

IIRC you can't put an wireless interface in promiscuous mode when it's used. But this may not be true for all interfaces/chipsets/drivers. You can install Shark for Root, which is a cut-down wireshark for Android. It does sniff on Layer 2 and above without promiscuous mode, so the results are not the same as sniffing with e.g. kismet. On the other hand you ...


3

I had the same problem and solved it on a Samsung Captivate (Galaxy S - SGH-I896) with Rogers in Canada. The problem was an annoyance at first (disconnecting every 10-20min) but got worse one day when it stopped allowing tethering altogether with a message "This Account is not configured for Tethering. Please Contact Rogers Customer Care." Calling Rogers ...


3

Go to your WiFi settings and hit the menu button and click the Advanced menu item. Check the WiFi sleep policy, and if it isn't set to Never, try setting it to Never to see if this resolves the issue.


3

Get pdanet. Screw Verizon. Lifetime use is $14 and you'll never be charged another dime. It works well.


3

Depending on what device you're using, Android Wifi Tether might work for you. It's also in the Market, but the Google code page has the most recent versions . It supports WEP, WPA, and MAC address filtering (they refer to this as "access control"). You may need a custom kernel for it to work - this again depends on your device/ROM. You could also try one ...


3

Yes you can. Settings > Wireless and Network > Mobile AP This feature is built by Samsung, and different from the tethering feature that comes with Android 2.2 (Froyo). Using this one you can turn your Tab as a password-protected hotspot


3

I ran into the same problem with my archos tab not being able to see an adhoc wireless connection. I was able to effectively connect my unrooted archos (running 2.2) and my rooted droid (also on 2.2) via the bluetooth tether option of the "wireless tether for root" app. To be clear this allowed me to access the web on my tab through my phones 3g connection. ...


3

My samsung galaxy s (android 2.1) had a tethering option build in from the start. Settings->wifi-Mobile AP and I only had to check a checkbox for it to work. And it works really great. (not locked here t-mobile/netherlands) I can't find the application name though.


3

Most likely, your X8 is broadcasting the wireless network in ad-hoc mode rather than infrastructure (AP) mode. Android does not natively support ad-hoc wireless connections, which is why your tablet cannot see or connect to the hotspot. Your options depend largely on the state of your devices. If your phone is rooted then you can try a custom ROM or kernel ...


3

Android, starting from 4.0, does officially support a form of p2p wifi networking called Wifi Direct. A Wifi Direct-capable device can create an access point which any other Wifi-capable device can access. I don't know about Nexus 7 specifically, but Galaxy Nexus does support Wifi Direct so I'd presume that so is Nexus 7.


2

The only tethering methods currently supported on Blackberry services are via USB and bluetooth, and even then the only supported method relies on the Blackberry Desktop software. They don't currently support any wifi tethering or wifi hotspot functionality. I'm not aware of any third party software for wifi tethering either, unfortunately. Now if you had ...


2

When I first rooted my Droid (with EasyRoot), I remained on the stock ROM until I got annoyed by the OTA update message (and ended up switching to CM6). However, I was able to use Wireless Tether without doing anything else. No new kernel, no mods, nada. Just root on vanilla Android. If you've already updated to the latest version of Android via OTA, ...


2

Easy tether is an awesome app that allows wifi tethering. http://www.androidzoom.com/android_applications/communication/easytether-lite_eoqh.html



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