I solved this problem on S10e using [this guide][1]. 1) [Root your S10][2]. This step is required. 2) Install [BuildProp Editor][3] (or equivalent) and run it, grant it root permission [![enter image description here][4]][4] 3) Touch the pen icon at the top 4) Scroll to the very bottom of the text file, and add the following two lines: fw.max_users=3 fw.show_multiuserui=1 [![enter image description here][5]][5] 5) Touch "Save and exit" 6) Check that the lines are correct. No extra spaces, all characters written exactly as below: [![enter image description here][6]][6] 7) Reboot 8) In Settings, search for "Users". You can now add new users: [![enter image description here][7]][7] [1]: https://beebom.com/how-enable-multiple-user-accounts-any-android/ [2]: https://android.stackexchange.com/questions/212265/how-to-root-samsung-galaxy-s10-s10e-s10 [3]: https://play.google.com/store/apps/details?id=com.jrummy.apps.build.prop.editor [4]: https://i.sstatic.net/hFqMA.jpg [5]: https://i.sstatic.net/lI8pe.jpg [6]: https://i.sstatic.net/SW5mT.jpg [7]: https://i.sstatic.net/7KgHG.jpg