The Asus ROG Ally is among the best gaming handhelds out there, which can handle a lot of games to deliver an enjoyable experience on the go. It's not without its flaws, though, and we highlighted many of them in our review. One of the issues that you may face while using the ROG Ally has to do with its fingerprint scanner, which may have some trouble working. If you encounter any fingerprint scanner issues on your ROG Ally unit, then here are a few things you can try to resolve them.
Source: xda-developers.com