forgot iPhone password

tays80 wrote:

hello I forgot my password and I was wondering how I can change my password without erasing any data from my phone.

read here If you forgot your iPhone passcode - Apple Support

tays80 wrote:

how I can change my password without erasing any data from my phone.

You cannot. If you could do this, your passcode would offer exactly zero protection.

Restore your backup after reading and following the article linked above. You did back up your iPhone, right?