Unfortunately, due to the security of the iPhone that protects the iPhone data in case of theft the only way to bypass the lock screen is to restore the iPhone. Do you have a computer with iTunes software installed on it?
Follow these steps if you've forgotten your passcode.
If you enter the wrong passcode in to an iOS device six times in a row, you'll be locked out and a message will say that your device is disabled.
Pick a way to erase your device
Unless you made a backup before you forgot your passcode, there isn't a way to save your device's data. You'll need to erase your device, which deletes all of your data and settings. Choose a way to erase:
Erase your device with iTunes
If you've synced your device with iTunes, you can restore your device.
Erase your device with iCloud
If you set up Find My iPhone on your iOS device or Mac, you can use iCloud to erase and restore it.
If your device isn't connected to a Wi-Fi or cellular network, you can't erase it with Find My iPhone.
Erase your device with recovery mode
If you've never synced with iTunes or set up Find My iPhone in iCloud, you'll need to use recovery mode to restore your device. This will erase the device and its passcode.
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