update
just updated my iPhone 7 connected to my windows laptop and it then said error and now my iPhone is stuck on the restore screen?? I have tried holding down the buttons and all that but doesn't work at all
iPhone 6, iOS 11
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Forget Passcode or Restore Device
- If you forgot the passcode for your iPhone, iPad, or iPod touch, or your device is disabled
- How to erase your iOS device & then set it up as a new device or restore it from backups
For help with the above or later models including iPhone 7, 7s, 8 or later, iPad Pro 11" and iPad Pro 12.9" models please refer to If your iPhone, iPad, or iPod touch won't turn on or is frozen.
If the above doesn’t work for you, then:
Follow these steps to place your iOS device into recovery mode: iPhone DFU mode explained, and how to enter DFU mode on your device.
If all fails then make an appointment at the Apple Genius Bar for service. If you need to find an Apple Store - Find a Store - Apple. If you did not purchase it from Apple then you will need to look to the vendor for service.