I don’t want to erase my device but I forgot my iPhone passcode .
I don’t know how to get into my phone without erasing the data
iPhone 11, iOS 15
There is no other way to unlock the iPhone.
(< iOS 15.2) See this Apple article: If you forgot your iPhone passcode
If you forgot your iPhone passcode - Apple Support
(iOS 15.2 and newer)
How to remove your iPhone, iPad, or iPod touch passcode without a computer
How to remove your iPhone, iPad, or iPod touch passcode without a computer - Apple Support