How to use the Bluetooth console of PyS60 from your computer.

Open a shell and type the following commands one at a time:
“hciconfig reset”
“rfcomm listen 0 3″
This last command will advertise an rfcomm connection on channel 3.
then on your PyS60 screen on the phone choose “Options ->Bluetooth Console” to connect to the computer.
Once this is done, open a new shell and type “screen /dev/rfcomm0″
whala! you can [...]

How to pack/unpack/edit SiS files and packages

Download and install SisWare(latest version) and discover it’s potential.

How to create a certificate/privkey and sign a SiS package for Symbian phones(Obsolete,needs update)

Credits for this information go to this site. Although it is dedicated to the Nokia N91 phone, following the instructions has allowed me to succesfully sign and install my SiS files on a Nokia N80 phone. I suppose it works for other models too.
Download and Install the following packages:
Developer Certificate Request Tool for Symbian
Sign SiS [...]