Hello MacRumors forums! I have a question. I've kept my iPod touch 6g on the stock firmware (8.4) and I would like to know from those who have updated to either 9.0.1 or 9.1, whether or not they have experienced a performance/speed reduction, and if so, by what perceptible margin comparatively? Do you notice any lag or stutter? (Also, make note whether you did it from a backup, or as a fresh install.) Thanks!