Received a hand-me-down iPhone from my daughter. She had not cleared her info. I try to but can't get into the phone. How can I get into the phone?

[iMore Question]

Received a hand-me-down iPhone from my daughter. She had not cleared her info. I try to

We put in passcode numbers that she thought she used...all have failed. There are now 8 failed passcode attempts.

 

[kch50428]

Re: Received a hand-me-down iPhone from my daughter. She had not cleared her info. I try to

If she set it up to erase after 10 bad attempts - do it two more times so the phone erases itself...