Yes, there are several ways to remove an Apple activation lock from an iOS device. The best way to do this is by using the Find My iPhone feature on iCloud.com or in the Settings app on the device itself. To use this method, you will need the original owner's Apple ID and password. Once you have that information, follow these steps:
1. On a computer, go to iCloud.com and sign in with the Apple ID and password of the original owner of the device
2. Select "Find My iPhone" from the list of options
3. Click on "All Devices" at the top of your screen
4. Choose your device from the list
5. Click "Erase [device]" then confirm it by selecting "Erase". This will remove any existing activation locks on your device
If you don't have access to a computer or if you don't know the original owner's information for some reason, then another option is to contact Apple Support directly so they can help verify your identity and unlock your device for you.