1. AC Question's Avatar
    So yesterday I went to change my password number on the lock screen.I slept and just now I was unable to unlock as I had forgotten the numbers.

    It contains 4 digits and has only 4 and 7 in the code.I want to know how many codes are there with numbers 4 and 7 in a 4 digit code?

    I do not want to factory reset my phone.I am willing to take the hard way.
    08-29-2017 11:11 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! 16 permutations. But if that still doesn't work, try Samsung's Find My Mobile to see if you can remotely change the password: https://findmymobile.samsung.com/
    08-30-2017 01:22 PM

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