Pin And Puk; Changing The Text Input Modes - Huawei C3100 User Manual

If the phone lock function is enabled, you need to enter the correct
phone lock code when the phone is powered on or in standby mode.

PIN and PUK

The personal identity number (PIN) protects your R-UIM card from
unauthorized use. The PIN unlocking key (PUK) can unblock the
locked PIN. Both PIN and PUK are delivered with the R-UIM card.
For details, consult your service provider.
If you enter wrong PINs for a specified number of times
consecutively, the phone asks you to enter the PUK code.
If you enter wrong PUKs for a specified number of times
consecutively, the R-UIM card is invalidated permanently. Contact
your service provider for a new card.

Changing the Text Input Modes

he indicator of the current text input mode is displayed on the
screen. When no letters are selected in the input field, press
to change the input mode. When letters are selected, press
change the letters between lowercase and uppercase.
Note
In the editing mode, press
l
the letter on the left of the cursor. Press and hold
(Clear) to delete all the letters at a time.
In the "En" input mode, press
l
the "Abc" input mode, press
twice to enter "0".
In the "Abc" input mode, press
l
the commonly used punctuations. In the "En" input mode,
press
(Clear) once to delete
repeatedly to enter a full stop or smiley.
12
to
to enter a space. In
once to enter a space,
repeatedly to enter