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~ I have Nexus 5 running Android L 5.1.1

~ I want to backup one App cach from /data/data

~ I don't concider rooting my device

~ I installed a Shell Terminal Emulator from the app store.

~ I've already tried some commands like:

adb backup -noapk com.google.android.app

But it didn't work (gives a 0kb file)

And sometimes gives error: (adb: unable to connect for backup) {I'm already a developer and debugging is on}.

Then I tried this one:

time adb shell ls -l -a | grep '^[^l]' | sed -e 's/^d.* ([^ ])\r$/mkdir -p sav/\1; adb pull /\1 sav/\1/' -e 's/-. ([^ ]*)\r$/adb pull /\1 sav/\1/' | /bin/bash It gives some not found errors !

Is that possible? 'Cause I heard that a lot of people succeed to backup things without root, but using adb with android sdk on a PC.

  • Look at this question: android.stackexchange.com/q/28296/95577 – Thomas Vos Jun 28 '15 at 20:09
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    By "one App cach" do you mean a particular app's cache? – Firelord Jun 29 '15 at 7:29
  • @Firelord Yes, for example, the app X downloads some content to /data/data folder, and I want to reach those files without rooting my devixe :) – AmynF5 Jun 29 '15 at 8:22

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