Almost all methods to bypass a lock screen will factory reset (wipe) your Vivo phone, erasing all internal data (photos, contacts, apps).
To give you the most relevant unlocking guide, could you tell me:
(e.g., Vivo Y12s, V20, Y51)? Does the phone have a Qualcomm or MediaTek (MTK) processor? Are you able to enter Fastboot or Recovery Mode ?
If you are looking to unlock a newer Vivo device or a 2021 device that didn't respond to old tools, you should look into: For MTK-based Vivo phones.
If the phone is connected to the internet and you know the Google credentials, this is the safest method. Go to android.com on a browser. Log in with your Google account. Select your Vivo phone. Select to reset the PIN/pattern. Modern Alternative (2026)