I used the AnTuTu benchmark app as I am cheap... and I found out my IO have scored lowly. Turns out having only a few hundred megabytes hinders the performance

I used the AnTuTu benchmark app as I am cheap... and I found out my IO have scored lowly. Turns out having only a few hundred megabytes hinders the performance a great deal. After wiping 3GB of photos and videos the phone's gone back to it's snappy self. Though I'm still on iOS 10.3 or so...