Watch this step-by-step guide on how to enter recovery mode to unlock a disabled iPhone 5:
On your computer, open iTunes (Windows) or Finder (Mac). Select your device and choose . Using iCloud (Remote Wipe) :
If you're locked out because of a forgotten passcode, the only official way back in is to the device. This will erase all data unless you have a backup. Using a Computer (Recovery Mode) : Turn off your iPhone 5.
Sign in with your Apple ID, select your iPhone 5, and click .
If was enabled, go to iCloud.com/find on another device.