Next, connect it to a pc or mac using a lightning cable.

Factory reset locked iphone 4. Unplug your iphone from the computer if it's connected. Unplug your iphone from the computer if it’s connected. Tap the 'all device' tab, and select the iphone (disabled one).

Factory reset a locked iphone using dfu mode. Now, click'erase iphone' and confirm. If you forgot your passcode see this apple support link→.

Enter your apple id password. Press and hold the correct button for your iphone while immediately connecting your iphone to the computer. Step 2 run itunes and make iphone backup to itunes for the current data on iphone.

Power off your smartphone and wait few seconds. Don't let go of the button. When its off, tap and hold center (home) key and connect your device to the computer with the usb cable.

Next, click on start to extract to continue. You can either play a sound on your iphone, or lock the device, or wipe all the data completely and revert the phone to factory settings. In case you are having trouble with any of the two solutions above, you can try putting the device in dfu mode.

Click all device and choose your device. After itunes pops up, it will display itunes detected an ios device in recovery mode. Keep holding the button until you see.