Hi you can reset the screen lock via the google account that is registered on the phone
Reset the lock screen pattern using a Google account
If the Lock Screen Pattern is entered incorrectly for five consecutive times, a prompt screen will be displayed with a message to try again after 30 seconds. A Forgot Pattern option will also be displayed.
Step 1: At the bottom of the screen tap on Unlock via Google
Step 2: Enter your Google ID and Password.
If you have forgotten your Google account details, you can use the Backup PIN.
During the initial setup of the device you are prompted to created a Backup PIN. Tap on Backup PIN then enter the number.
Recover Google account details
Step 2: On the Recovery Options page, select the appropriate option, and then click Continue button.
if you can not do this theen the only way to do it will be a full factory reset which will mean you will lose ALL the data saved on the phone.
Hope this helps
If you can't use the best solution above, there are other ways to unlock Samsung phones, such as Find My Mobile. All Samsung devices come with the "Find My Phone" feature, just follow the steps below.
1. First, set up your Samsung account and log in.
2. Click the "Lock my screen" button.
3. Enter a new PIN in the first field
4. Click the "Lock" button at the bottom
5. Within a few minutes, it will change the lock screen password to a PIN so you can unlock your device.
this is completely false information. I have tried this probably about four times now and I have googled this till I'm blue in the face and I can't find any solution. So no when I try to do this there is no Google reset showing up on my screen. It just keeps telling me to wait 30 seconds.