Backup your android phone with Titanium Backup!

Titanium Backup is the most powerful backup tool on Android, and then some.
You can backup, restore, freeze (with Pro) your apps + data + Market links. This includes all protected apps & system apps, plus external data on your SD card. You can do 0-click batch & scheduled backups. Backups will operate without closing any apps (with Pro). You can move any app (or app data) to/from the SD card. You can browse any app's data and even query the Market to see detailed information about the app.

EVEN MORE awesome features such as:
  •  0-click batch restores
  •  Keep multiple backups per app
  •  Multi-user app data
  •  Apps freezer
  •  Dropbox sync (manual or scheduled)
  •  Box sync (manual or scheduled)
  •  Convert user apps <=> system apps
  •  Integrate system app updates into ROM
  •  Encryption
  •  Market Doctor (relink apps to Market)
  •  "Destroy all Market links" feature
  •  Hypershell speed
  •  Backup apps without closing them!
  •  Restore individual apps+data from CWM backups!
  •  Restore individual apps+data from TWRP backups!
  •  Market "auto updating" manager
  •  Dalvik cache cleaner
  •  Integrate Dalvik cache system elements into ROM
  •  Unlimited schedules
  •  Load/Save a Filter and use it in Widgets/Schedules
  •  Protect backup against deletion
  •  Send backup by e-mail
  •  Backup→Verify→Un-install an app in one shot
  •  Freeze/defrost/launch apps in a single click
  •  CSV export any app DB (e-mail or Google Docs)
  •  Convert app data to/from fast WAL format
  •  WAY MORE!