How To Extend Your Firestick Storage Capacity
1, You Need A Thumb Drive (USB Stick)
2, You Need This 'OTG Wire' (Purchase It From Amazon, Ebay, Only A Couple Of Quid)
Setup Like This or Use The Power Outlet Plug Instead Of USB
You Can Choose To Format The USB Drive So You Can Put Apps Onto It or Leave as External Stoarge So You Can Plug The USB Into Other Devices