Credit: C. Scott Brown / Android AuthorityWhile many of us still upgrade smartphones every 2–4 years on average, tablets tend to have a much longer shelf life. They’re typically used less often and for narrower purposes like video consumption or light productivity. With the arrival of the Galaxy Tab S11 and Tab S11 Ultra, you might be wondering whether now is finally the right time to replace your aging Galaxy tablet. The answer here isn’t so cut and dry.It’s really less about age and more about whether the new models deliver a meaningful improvement to your existing experience. Let’s dive in a bit deeper and take a look at some of the past models to get a better idea of whether an upgrade is right for you.