I received a couple of emails from Digizmo’s readers asking what does it means by ‘unlocking phone’. Well, to give you a clear definition of ‘unlocking phone’, let me explain you about how the cellular phone system works in some regions as some of you may be living in places where your phone is not tied to a specific cellular provider. In some countries, mobile phone services... 

The battle between cell phone makers Apple and Nokia escalated Friday, as Apple announced that it has filed a countersuit alleging the Finnish company has infringed on 13 patents. In October, Nokia sued Apple over the alleged use of patented wireless standards in the iPhone. Nokia has argued that the iPhone infringes on GSM and wireless LAN patents it owns. That suit involves 10 patents owned by Nokia. In...