title: tar:invalid magic, tar:short read
body: <p>I enter this command
  su -c busybox tar -xvf /storage/emulated/0/Download/andrax.r5-build5.tar.xz -C /data/data/com.thecrackertechnology.andrax/ANDRAX/</p>
  <p>and such an error appears
  tar:invalid magic
  tar:short read</p>