You can hava a try iCloud "Find My iPhone" function. It can reset your iPhone. Just follow below steps.
You can also unlock your disabled iPhone using the Find My iPhone website, as long as your iPhone was registered with your Apple ID and Find My iPod was enabled in the iCloud menu. This will only work if the iPhone is currently connected to a wireless network.
Step 1. Go to
icloud.com and log in with your Apple ID and password on your computer.
Step 2. Click Find My iPhone. Then click All Devices at the top of your browser window.
Step 3. Select your iPhone from all the devices listed. Click
Erase iPhone to erase your iPhone along with its passcode.
Step 4. Once the reset is finished, you'll be prompted to setup your iPhone as if it were new. You'll be given the option to load a backup if you've made one in the past. Use the Setup Assistant on your device to restore the most recent backup of your device.
For more methods, check:
How to Unlock A Disabled iPhone with/without iTunes