I want to use the telephone calling/SMS app that I have in a LG G4 in a Samsung S9.

Is it that possible?

The LG G4 has a feature that the Samsung app doesn't have and I use a lot.

  • You can try to extract the APK from the LG phone and side-load the APK to your different phone.
    – Robert
    Oct 30, 2022 at 19:50
  • Unless the app depends on its system framework, it should run normally. In addition to Robert's "extracting APK" method, you can also check the package name and then search & download from APK mirror sites if available.
    – Andrew T.
    Oct 31, 2022 at 2:05
  • @Robert What do you mean with "side-load"? Do I need to have my new phone rooted? The old LG app can't be installed as a normal app like some people do with the launcher?
    – E_Blue
    Oct 31, 2022 at 4:15
  • @AndrewT. That's is what I don't know, I think that the phone/SMS app is more than one executable running at same time.
    – E_Blue
    Oct 31, 2022 at 4:16
  • 1
    Side-load means installing an app outside from Google Play Store, e.g. by downloading the APK file and installing it directly or via adb install. Root is not required.
    – Robert
    Oct 31, 2022 at 8:09


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