Question about Sony Ericsson K550i Cellular Phone
After a PIN is entered 3 times incorrectly, the phone will then prompt for the PUK (PIN Unlock Key). After 10 incorrect entries of the PUK, the SIM (Subscriber Identity Module) card will be rendered unusable (PUK Blocked). At this point, the SIM card will need to be replaced.
Contact your service provider and explain your situation. Do not attempt to enter the PUK unless you are prompted to do so by the representative. Most local service centers can do this for you, sometimes for a fee for the services and the SIM card if it needs replaced.
Posted on Feb 20, 2009
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Posted on Jan 02, 2017
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