All Handphone/mobilephone Hacking

Hack Handphone With BlueJack
If your handphone or ponsel support java program ( j2me ) and bluetooth support. You can use it to hack another phone which is also have bluetooth connection … Hack which can be done here is called bluejack …. Bluejack is hack another ponsel by sending a message to them …. so they can read your message but they don’t know who has sent messages … Of course the victim ponsel must have bluetooth on and your ponsel too
http://www.ninobs.com/hack-handphone-with-bluejack

How to build a river gauge. How to make a RiverSpy2 monitoring system with siemen S35
The phone that I used is an old Siemens M35, but I think that the command set is the same for all of the M,C and S 25 and 35 phones. The phone does not contain its own battery. (The batteries in those phones were fairly bad anyway) Instead it runs from a supply taken from the 12V battery via a dc-dc converter.
http://pei.ucc.ie/daithi/construction.html

SMS Remote Control
With this circuit we can controll up to 8 devices (4 devices in our example project), by sending a specific SMS message with any mobile phone. Its very usefull at the cases that, at the place we have the devices, we have not a wired telephone l
http://www.serasidis.gr/circuits/smscontrol/smscontroller.htm

Room spy using Handphone and PIC16F84. Translate to English
Is a detective tool is a tool that can listen to the condition of a room. But because this tool using mobile phones, so we can listen to the condition of a room located in remote areas.
http://microrobotics.blogspot.com/2007/01/membuat-alat-mata-mata.html