my iPhone locked for 3 hours

mairi32 wrote:

my iPhone locked for 3 hours how can I open it from my Mac

Follow steps here If you see an iPhone or iPad unavailable message or Security Lockout screen - Apple Support

mairi32 wrote:

my iPhone locked for 3 hours how can I open it from my Mac

The only way to open it from your Mac is to reset it to factory settings, then restore your recent backup. (see razmee209’s post)

However, if you know your passcode you can wait 5 hours, then enter it. The fact it is locked for 3 hours means that the wrong passcode was entered many times.