I would like to install logcat as system-app on a non-rooted phone.

Is that possible (using adb without root-access)?

1 Answer 1


No. A system app has to be either installed by root or signed with the same key that signed the ROM image.

  • So adb install will not work in that case?
    – Nils
    Commented Jul 11, 2013 at 21:37
  • adb install just installs an app in the usual way. It doesn't make an app a system app.
    – Dan Hulme
    Commented Jul 12, 2013 at 8:06

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