ZTE Corporation 840Z Manuale Utente
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(2) Handset lock code
If the phone lock is activated, the phone will prompt to enter the handset lock code. The default
password for an inactivated phone is 0000.
password for an inactivated phone is 0000.
When the phone lock is activated, you can only make emergency calls.
(3) PIN2 code
PIN2 is needed for some settings. Proceed as with PIN code.
(4) PUK code
PUK (Personal Unblocking Key, 8-digits) unlocks a locked PIN. If you enter the PUK incorrectly
ten times in a row, the (U) SIM card will become invalid. Please contact your service provider
for a new (U)SIM card.
ten times in a row, the (U) SIM card will become invalid. Please contact your service provider
for a new (U)SIM card.
2. Security Settings