You can reset your device to its default settings, but be aware that all data will be lost. It's recommended to log out of your Google account before proceeding.
Here's how to restore factory settings on Sony Xperia XA1 Ultra:
Step 1: Access the backup and reset settings.
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Step 2: Choose to reset the manufacturer's data.

Step 3: Select the option to reset your phone.
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Setup is now complete. Best wishes for your success!
For more guidance on Sony Xperia XA1 Ultra, see here.