I am using a desktop with Ubuntu 14.04 installed to do a full desktop backup of my Yu yureka phone.

I used the command

sudo adb backup --all

then it shows

Now unlock your device and confirm the backup operation.

But nothing is ever shown on the phone. The phone is running on Cyanogenmod OS 11.(I want to do a full backup before updating it to CM12)

1 Answer 1


it means, the device, haven't any PIN password.

just do this :

Goto Settings > LockScreen > Screen Lock

and set the password for PIN and after this, try again for backup and it showing you for enter the PIN password and then, Backup process will be starting.

Edit :

after Set the PIN, use this Command :

adb backup -all

this command will be show to you the windows like this :

enter image description here

  • Does it not show any verification window on the phone? Do I have to just wait and watch and hope that backup is going on? Apr 24, 2015 at 6:37
  • Edit and updated. Apr 24, 2015 at 7:02

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