How can I unlock my iPhone without logging into my I tunes
How to unlock disabled iPhone se without logging into i tunes
iPhone SE
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You can't. You either need to use your home computer with iTunes, or use a friends computer with iTunes or go to an Apple Store and use one of their computers.
This link explains what you have to do: If you forgot the passcode for your iPhone, iPad, or iPod touch, or your device is disabled - Apple Support