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The "generic" tag for issues related to Bluetooth, a wireless technology for exchanging data over short distances. Whenever possible, please use the more specific tag *instead* if such exists, e.g. 'bluetooth-audio', or 'bluetooth-tethering'.

1 vote

How exchange messages between 2 android devices through wifi and bluetooth without internet?

This use case now have an obvious long term solution:  Android Beam/NFC. Not many devices supports NFC yet though, so there's still necessity for other techniques.
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2 votes

Access Android device's file system over Bluetooth or Wi-Fi

There are many ways, you can use ADB over wifi, run an FTP or SSH server on the phone, or use Dropbox. The easiest to set up is Dropbox, but it's fairly limited which files and you can synchronize. …
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4 votes

How to access a linux shell from my phone via bluetooth?

Yes you can, but the steps may be a little bit complicated, see the following blog post about ssh-ing over bluetooth. …
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5 votes
Accepted

Can I use the Nexus-S GPS as an external GPS for another device (via Bluetooth)?

Have you tried these apps: GPS 2 Bluetooth v.2 Bluetooth GPS Output Tether GPS Lite GPS Tether …
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16 votes
Accepted

Which method of wireless tether uses the least amount of power? Bluetooth or Wifi?

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 …
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