I forgot the passcode to open my I phone

See this for instructions on how to remove the passcode. If you forgot the passcode on your iPhone, or your iPhone is disabled - Apple Support

Jackiesphone Said:

"I forgot the passcode to open my I phone: i just changed the passcode on my phone, but now I can’t remember it"

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Caution: Don't enter it incorrectly too many times, or you may be locked out for good.