ThanksAsk the seller for the Passcode. There is no way around it.
ThanksPower the phone off - connect it to your pc via a lightning cable with iTunes open and as soon as the cable is inserted press
And hold the home button.
Eventually iTunes will pop up and say the device needs to be restored
Sorted… Much Thanks Alpherah
Now I hope my 11 year old niece is going be very happy with her Christmas present...