Tags: iPhone 3GS, iPhone 4, iPhone 4S, Unlocking, iPhone 5
Unlock your iPhone with a simple backup and restore
If you've bought an iPhone through Vodafone Australia, Crazy John’s or 3 Mobile Australia, you can unlock it through iTunes without needing to contact us or go through our website first. The steps below take you through the process.
There's no charge to unlock an iPhone.
Your iPhone may be locked, if so it'll show 'Invalid SIM' or 'SOS only' in the top-left corner of the screen.
You can unlock it with a backup and restore, read on for instructions.
More detailed instructions can be found on the Apple website, which is linked in the steps below.
Make sure you back up everything to iTunes:
Restore your iPhone back to its original settings:
If you're warned about purchases which haven't been transferred, run through these instructions first:
Restore your backed up content to your iPhone, instructions are at the bottom of this Apple page: