If you are unsure of the warranty status or the network the iphone 2g 3g 3gs or iphone 4 was sold on.
Factory unlock code for iphones where unlock via itunes can be done need the info of the network.
You can check 1 phone and see its status in real time enter username and password we supply after payment
The service takes 2 credits and the user and pass info has 2 credits on it so you can perform 1 check
Example Log from Service.
Checking with server…
iPhone 4 16GB Black (4.2.1)
Limited Warranty:Serial number: 7W0xxxxxx
2011-01-16 / 2012-01-15
Sold to country: United Kingdom
Carrier: Orange GBR
Now you will know the network the iphone is locked on to in seconds.