So my sister gave me her old Iphone 11 to use because mine broke and the reset went smoothly until it asked for the old passcode which was a 6 digit passcode, now it only gives me option to enter 4 digits and i cant figure out how to change this. Can anyone help me please?
This covers all the models
https://support.apple.com/en-gb/HT201263#:~:text=Press and quickly release the volume down button.,see the recovery mode screen.