iv tried to change the passcode on my iPhone 12 Pro Max and im not able to , I enter the 6 digit numerical code and the screen blinks to the same screen !! so I enter the code again and it dose the same . iv done this 4+ times and when I press back I have to press back as many times as I tried to change the phones passcode .. !! iv done all the updates to the latest and it hasn't fixed the problem .. any help or advise would be helpful . thx in advance