Push my apk to /system/app

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I can install an APK to /system/app with following steps.

  1. Push APK to SD card.

    $ adb push SecureSetting.apk /sdcard/

  2. Enter the console and get the shell

    $ adb shell

  3. Switch to superuser. If your device is not rooted, get it rooted first. (If you don’t know how to do that, just Google.)

    $ su

  4. Remount the system partition with WRITE permission.

    $ mount -o remount,rw -t yaffs2 /dev/block/mtdblock3 /system

  5. Cat your APK from /sdcard/ to /system/ , some guys get a fail with cp command due to cp is not supported. So use cat instead.

    $ cat /sdcard/SecureSetting.apk > /system/app/SecureSetting.apk

  6. Remout /system partition back to READ-ONLY, and exit

    $ mount -o remount,ro -t yaffs2 /dev/block/mtdblock3 /system
$ exit

Then reboot your device, the APK should have been installed on /system/app.

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