Unable to install a protected application from an untrusted supplier - If you experience this one then try to follow the instructions below:

First you need to go to ->
menu - settings - application mgr. - installation settings and change software installation to “all”, but beware some software might harm your phone.
Then download the Samsung i850 […]

Nokia India just release six Nokia 5800 XpressMusic applications, these applications does not require any money, you can have it all for free.

SMS Timer - Scheduling of SMS Birthday wishes or Season’s greetings well in advance.
Smart Guard - Simply hand over your phone to anyone, without worrying about data privacy
WaveSecure (Shareware) - Track the lost/stolen […]