CobaltBlue allows your PC to connect mobile networks.

CobaltBlue ?

CobaltBlue is an application which allows your PC to connect mobile networks with using DUN profile of Bluetooth.
Because it emulates DUN-GW in Java, root is not required. Instead this is slower, more unstable, more poor than native.

Get it on Google Play

Any question?

Trial Version

You can try this. Trial version has the following limitations.

  • Only http port is active.
  • Maximum connection time of 10 minutes.
  • Maximum continuos 2 uses.
  • With ads.

How to use

At least, LCP extensions and software compression should disable and IP header compression should enable.

Resetup pairing the Bluetooth device when CobaltBlue restart everytime. If you fail, restart your Mac.

Pair with searching the HWaddr for Android.
# hcitool scan
Find the channel number of CobaltBlue.
# sdptool browse [HWaddr]
And connect with the below command.
# rfcomm bind rfcomm0 [HWaddr] [ch]
# pppd /dev/rfcomm0 connect 'chat -v -f /etc/chatscripts/pap' noauth defaultroute lcp-echo-failure 0 noipdefault


Telephone number:
set "123" as a random number.

IP address:
It sets as a PPP client and as Android terminal, use as the default gateway.

It sets DNS address to automatically.