Nokia 3310 User Manual page 38

• To switch between upper and lower case, press
• To add a number, press and hold the key labelled with the desired number. To switch between
letters and numbers, press and hold
• To key in a character which is under the same key as the previous one, press
for one second) and key in the new character.
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quickly.
. 123 is shown when numbers can be entered.
or (or wait