Forgetting the password to your Samsung phone can be a frustrating experience, but there are a few ways to unlock your device and regain access. Here are some steps you can take:

1. Try entering the wrong password multiple times to see if your device prompts you with alternative unlock options.
2. If you have set up a Google account on your Samsung phone, you can use the 'Forgot Pattern' option after entering the wrong password multiple times. This will allow you to unlock your device using your Google account credentials.
3. Another option is to perform a factory reset on your Samsung phone. Keep in mind that performing a factory reset will erase all data on your device, so make sure to back up any important files before proceeding.
4. If none of the above methods work, you may need to contact Samsung customer support or visit a professional technician for assistance.

Remember to set up a backup method for unlocking your phone in case you forget your password in the future. This can include using biometric authentication methods like fingerprint or facial recognition, as well as setting up a PIN or pattern unlock.