On Mon, 29 Feb 2016, Ben Laurie wrote: > On 29 February 2016 at 09:55, Tom Mitchell <mitch at niftyegg.com> wrote: > With a four number PIN there are 9999 keys for the data on the phone. All other secrets are constants. > > Counting is hard. 10,000. It's definitely more than 10 even if you include fractions :) Paul