To reset your Apple ID password on your iPhone or iPad, follow these steps:
1. Open the Settings app.
2. Tap on your name at the top of the screen.
3. Select "Password & Security."
4. Tap on "Change Password."
5. Enter your device passcode, if prompted.
6. Follow the on-screen instructions to reset your password, which may involve answering security questions, using two-factor authentication, or receiving a verification code via email or text message.
7. Once your password is reset, make sure to sign in with the new password on all your devices where you use your Apple ID.