So you did your research and bought the best Android smartphone within your budget. But even after all that effort, you find yourself facing a frustrating issue: a slow fingerprint sensor. This could be due to several factors, like your age, dry skin, or dirt and dust on your fingers. After all, a smartphone addict unlocks their phone hundreds of times a day, so it's understandable that even a brand new phone might experience some sluggishness. But fear not! There's a simple workaround that I wish we could all use at work too. Did you know you can add multiple fingerprints on Android? Sure, you could add different fingers, but honestly, how often do we really use our ring or pinky fingers to unlock our phones? Instead, why not use those extra slots to improve the accuracy of the same fingerprint? I've personally found that this significantly reduces the unlocking time through the finger...