ZTE Corporation X767 Benutzerhandbuch

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Your UIM card will be locked if you enter wrong PIN 
code continuously for three times. In this case you 
need PUK code to unlock your UIM card.   
The PIN code, PUK code and UIM card may be 
provided to you all together. If not, contact your 
network provider. The default PIN code is normally 
1234. Please change to your own PIN code as soon 
as possible. 
 
Handset Lock 
Handset Lock could be used to prevent your mobile phone 
against illegal use. If you select “ON”, you need input correct 
phone password to unlock your phone as you turn on your 
mobile phone next time.   
 
Reset 
You could select “Clear All Names”, “Restore Settings” and 
“Reset Phone”.   
 Note
 
There might be no reaction to your phone screen when 
you restore to factory settings. This is normal because 
it takes a few seconds for the backstage to restore the 
factory settings.