One should learn how to unlock iphone ios4 in order to be able to use any wireless phone service provider. When the iphone is unlocked, it removes any sim card restrictions on the iphone modem. The iphone can easily be unlocked using software that enables one to be able to reverse incase of any mishap. Performing a software unlock is only possible to a jailbroken iphone and the ultrasnow app.
One should first open the Cydia app in the jail broken phone. Search for the ultrasnow in the search bar of the iphone or use the repo” repo666.ultrasnow.com” installs the ultrasnow on the iphone. Reboot the iphone by holding the home button, located in the lower front of the iphone and the sleep/wake button located on the right of your iphone until your iphone screen is black and the Apple logo appears. If a sim card from a different mobile provider is inserted, it gets to receive network and one can receive or make a call. Unlocked iphone always have a better resale value since they can be sold to anyone allowing them to use the iphone on any network. On learning how to unlock iphone ios4, the user is able to enjoy services of different cellular service providers.