@Izzy - As you suggested, I backed up my phone with ADB (and it worked this time). Now what do I do with my Titanium Backup question? Do I delete it?

@Arielle Up to you. You could also answer it, e.g. like "As the real issue was xyz, I ended up this way …"

Oh, hey - flashing the stock firmware again (even without wiping /data) fixed the SD card problem

Hi