Running out of space.
WHAT CONSUMES SPACE
Photographs and video Messaging applications, which store every received image Downloaded files Application data and caches Offline content
WHAT USUALLY CONSUMES MOST
Photographs, and messaging media.
WHAT TO CHECK
The storage breakdown, which most phones provide.
WHAT TO DO ABOUT PHOTOGRAPHS
Back them up, then remove them from the device.
WHAT TO DO ABOUT MESSAGING MEDIA
Disable automatic downloading of media Clear stored media periodically
WHY THAT FIRST ONE MATTERS
Automatically saving every image received consumes space and data.
WHAT TO REVIEW
Applications you no longer use.
WHAT TO CLEAR
Caches, which rebuild as needed.
WHAT NOT TO DELETE
Application data you have not backed up.
WHAT TO BE AWARE OF
A nearly full phone becomes slow and stops receiving updates.
WHAT TO SET UP
Automatic backup of photographs, so removing them is safe.
WHAT TO CHECK BEFORE DELETING ANYTHING
That the backup actually completed.