Samsung SM-S890LZKATFN - Manual (Page 100)

All lowercase
Displays when the next character is entered in
lowercase.
Initial Uppercase
Displays when the first character of each word is
entered as uppercase but all subsequent
characters are lowercase.
All Uppercase
Displays when all characters will be entered as
uppercase characters.
By default, the first letter of a new entry is capitalized and the
following letters are lowercased. After a character is entered, the
cursor automatically advances to the next space.
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