You can shoot and share your video instantly. It also has a built in compass to show you the way.
Unlocking is basically done to access all the features of mobile phone or permitting it to use some other SIM (of another provider). Most of the people are aware of only half of the story. They know that unlocking is possible but they are not aware that they can use SIMs of GSM service providers only.
The truth is that iPhone uses GSM radio frequency band for the communication purpose. So after unlocking, it will work only with the GSM network providers.
Various softwares and hacks are available in market. Some are paid and some are free to use. Always remember to choose right software for unlocking purpose.
Buy only legitimate software. Do not ever buy wrong or pirated software. It can damage your iPhone. Follow the instructions of unlocking iPhone correctly to prevent any damage.
Verify the originality of the software. There are many pirated softwares in market which can make harm to the handset. Moreover, you will not find any updated version of that software.
Security of the handset can be breached and the possibility of virus attack increases. Avoid unwanted messages while downloading anything. Original softwares can unlock iPhones in few minutes
Apple has announced the official software for unlocking iPhone 3G. For unlocking, you need to visit the authorized store and give them your IMEI number. This unique number is submitted to Apple and authorization software is issued for unlocking that particular phone.
You are done for the time being. Whenever you will sync your iPhone 3G with iTunes, you will receive an update about new carrier settings. When you will download and install the update, the official unlock screen of Apple will appear.
This legal process is much easier than the unofficial ones (like Dev team's Pwnage Tool) and the benefit is that it is stable. You can keep on updating the OS regardless of any other carrier SIM.
Isn't is amazing? So happy unlocking with the official resources.