I keep getting down under 50mb left for internal storage space even though I've moved all my large apps to the SD card. I don't have tons of apps on my phone to begin with. I get the feeling that there must be a lot of stray installation files or other unneeded files stranded on the internal storage. Is there some way to get in there to see what's taking up the space and delete any offenders? I haven't found a file explorer that will look at anything not on the SD card. Or is there an app that scans for space taking unused files? Thanks.