All Apple iPhone Secret Codes (iPhone 5S, 5, 4S, 4, 3 etc)

Image Credit: Apple Inc.

This is a simple but helpful tutorial which will help you to gain access to almost all of the iPhone secrets codes. These codes are compatible on all iPhone variants like iPhone 5S, iPhone 5, iPhone 4S and iPhone 4.

Please note that iPhoneHelpers.Com will not be liable for any damage caused as result of executing these codes. Kindly proceed at your own risk.

  • All Secret Codes of iPhone 5S, iPhone 5, iPhone 4S and iPhone 4

  • To show IMEI number: *#06# display IMEI number.
  • To Field Test: *3001#12345#* (tap call)
  • To check whether your phone is eligible for firmware upgrade: *936# (tap call)

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