Nokia 3390 User Manual page 29

Characters entered will be lowercase letters.
Press
Characters entered will be numbers. (When entering letters,
switch to numbers by pressing and holding
4
You are in "special character" mode. Select a character, then
press Use. (When entering letters, press and hold the
to see the special characters menu.)
Indicates the current call.
Indicates a call on hold.
to switch letter case.
You are in predictive text mode.
You are in predictive text mode. Characters entered will be
uppercase letters. Press
You are in predictive text mode. Characters entered will be
lowercase letters. Press
You are in predictive text mode. Characters entered will be
numbers.
to switch letter case.
to switch letter case.
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key