If you have a friend with the username AFriend, for example, putting an (upper or lower) case "A" or "F" in the search bar will yield no results, you have to type only the part of the username which is lower case - so in this case "riend" would come up with the expected result.
If you have a friend with the username AFriend, for example, putting an (upper or lower) case "A" or "F" in the search bar will yield no results, you have to type only the part of the username which is lower case - so in this case "riend" would come up with the expected result.