i forgot my other iphone passcode how can i reset it whit out format o erase data from phone ?

d9ran11 wrote:

how can i reset it without reseting data or erase it ?

That is not possible without knowing the passcode.

That’s exactly why backups are so important. If you have a backup, you can easily restore the iPhone’s data.

If you forgot your iPhone passcode - Apple Support

You can’t. You have to erase the device in order to get into it again.