Ericsson DT288 User Manual page 81

If the cordless phone is blocked,
less phone must be unblocked before it can be used again. To unblock:
1. Press .
YES
Backdoor: is displayed.
2. Enter the IPEI code and press
EnterNewPIN: is displayed.
3. Enter the four digits of the new PIN code and press
RepeatNewPIN is displayed.
4. Enter the new PIN code again and press
Either New PIN accepted or Wrong New PIN is displayed. In the latter
case, the new PIN and the code you have just entered do not match.
If New PIN accepted appears, you can use the cordless phone again.
PIN Blocked, Unblock?
.
YES
.
YES
Blocking keys and extra security
appears. The cord-
.
YES
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