From Engadget
What does the H+ symbol mean on your Samsung phone?

The status bar of your smartphone is littered with arcane symbols that are mostly undecipherable. We all know what 4G and 5G are, so what is H+?
TechBlastTechnology. Unpacked.UK & world technologyFrom Engadget

The status bar of your smartphone is littered with arcane symbols that are mostly undecipherable. We all know what 4G and 5G are, so what is H+?