Q: Support.apple.com/kb/TS4515
A Password is required to activate this device because its owner has used Find My iPhone to link it to their Apple ID
Posted on Jul 4, 2014 1:42 AM
by Ingo2711,Apple recommended
iPhone
Sorry, but without deactivating the Activation Lock the device can't be used, check this article about it:
Find My iPhone Activation Lock: Removing a device from a previous owner’s account
Posted on Jul 4, 2014 3:12 AM