Install android SDK (bottom of the page) or full android studio if you need to develop on android.

fastboot looks like adb but it is used when device is in bootloader (or fastboot).

adb devices

fastboot devices

adb reboot

adb reboot bootloader

fastboot reboot-bootloader

adb reboot recovery

fastboot oem unlock

WARING: If you if you unlock the bootloader it will behave like a factory reset. So backup all your data before!

fastboot oem lock

WARNING: If you lock back the bootloader, next time you need to unlock data will still behave like a factory reset

fastboot erase xxx

Erase partition xxx. Partition could be:

• boot,
• cache,
• recovery
• system,
• radio,
• userdata,
• bootloader

fastboot flash xxx yyy

Flash partition xxx with new yyy.

For example:

• flash bootloader with a new bootloaler image:

  fastboot flash bootloader new_bootloader.img

• flash radio with a new radio image:

  fastboot flash radio new_radio.img

adb shell

adb push FILE /sdcard

Copy a file FILE to device's sdcard.

adb pull FILE /some_computer_directory

Copy a file FILE to computer's directory

adb remount

adb install file_name.apk 

When you launch a backup command a password for this backup will be asked.

adb backup -all

Note: backup backup.ab is placed inside platform-tools by default.

adb backup -apk -shared -all -f computer_destination_directory\backup.ab

Parameters:

• -apk OR _noapk:
  • include or not apk
• -shared OR -noshared:
  • include or not files from sdcard
• -all
  • Save system files and applications files (wihtout apk files)
• -f computer_destination_directory\backup.ab
  • define a directory

adb retore computer_source_directory\backup.ab