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I have a Oneplus One running CyanogenMod 12.0. (Based on Lollipop 5.0) I'm trying to create a backup using ADB. I executed the command, and it gave me the usual prompt to unlock my phone and allow the backup. On my phone, the screen comes up asking me if I want to encrypt the backup with a password, and with the "Do not back up" and "Back up my data" buttons. So far so good.

The "Do not back up" button works fine: When I click it, the command on my computer stops running. But the Confirm button just does nothing. When I tap the button, nothing happens; the button doesn't even "light up" like buttons normally do.

  • The button is not "grayed out" or disabled: It looks exactly like the other, functioning, cancel button.
  • I tried inputting a password, thinking maybe it would not allow me to back up my data unencrypted, but it still behaved exactly the same
  • I tried running the "adb backup" command with literally every combination of arguments, with the same results
  • "adb devices" does show my phone properly connected

How can I either

  • Fix this, and make an ADB backup
  • Make a complete backup in some other way, without root access. (I want to unlock my bootloader, which wipes all data)
ItsAmy
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  • "When I tap the button, nothing happens" -- so what exactly happens on computer's screen when you tap "Back up my Data" button? // 2. Does the command exits abruptly like when it does for "Do not back up"? // 3. Did you ever create Desktop backup password from Developer Settings of Android some time earlier when using the device?
  • – Firelord Jul 21 '15 at 03:24
  • Nothing. 2. No, nothing happens. It just stays on the "Unlock phone" prompt. 3. No, I never made a password.
  • – ItsAmy Jul 21 '15 at 03:30
  • Just asking out of curiosity: have you taken a look at Full Backup of non-rooted devices? – Firelord Jul 21 '15 at 04:53
  • I have now, and I followed exactly the steps of the accepted answer, resulting in the exact same problem as in my original question. – ItsAmy Jul 21 '15 at 16:03