There is only one method to reset the Sony Xperia XA Dual F3112 as it is not supported by the PC companion as yet. This might change as the software gets updated. You will note that this phone can only be reset by way of the menu system. This has been added below. If you wish to backup your data then you will need to find another method to do this.
Since the PC companion software does not work on this phone as yet you might want to search the internet for other mobile phone software which will allow you to backup the settings and data on the phone if you wish to reuse it later.
Note the settings listed below.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.
Hard Reset Sony Xperia XA Dual F3112 with Menu