Many companies sell iphone in a locked mode where users are only allowed to user pre chosen subscribers, this however does not deter people from unlocking or hacking their iphones to work with other SIM enabled networks which are illegal. Before one purchases an iphone it is important to make sure that it is unlocked but for many the task of how to tell if their iphone is unlocked is not easy but there are simple steps one can follow to ensure that it is unlocked.
There is a SIM card slot located at the top of the iPhone, to access it open and remove the SIM card from inside the iphone, insert a replacement SIM card then turn on the iphone and wait for a few minutes before using the iphone to make a call, if it works then it simply means that the iphone is unlocked if otherwise then the iphone is locked and one can only use the specified subscribers.
This however may apply to some iphone but not all, the apple iphone may not tell if is unlocked but one may apply some steps to answer that lingering question of how can I tell if my iphone is unlocked.
First one need to check on their firmware by dialing an emergency number that will go through even without a service to get updates, however if the update is 04.01.13 the iphone may need extra work to unlock and may also cost one a little more, the internet is the other option by connecting the iphone on the computer via a USB cable one can run the Bricklr program while following the installation directions available, clicking on the sweet button during the running process on the phones screen that have ringtones, sounds, applications and files and one can press F5 to refresh if they do not see it on the screen. Download the knockdown from the computer to your phone using the iBrickr software and agree to overwrite on the existing files, click on the application button on the main page of iBrickr and follow the instruction provided to install any third party and the iphone may reboot after installation and click installer on the iphone screen.
Connect to the internet for phone not already connected to be able to install other applications, on the PC browse applications to select any SIM and install it and after it is run the iphone will have anySIM icon on the screen, click on the icon to set it to unlock while reading the screen carefully to select the red button and let the program run. After it is finished one can insert any SIM card to access services.
