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T28 >*<<*<* for checking the
firmware revision information (software release) >*<<*<*> 1-row text strings.
if pressing yes you can check the phones text programming in currently
selected language. >*<<*<*>> n-row text
strings. if pressing yes you can check the phones text programming in
currently selected language. The Service Provider (SP) Lock The Service Provider (SP) Lock menu is used
to lock the cell phone to the SP's SIM card. Once the cell phone is locked to
a specific operator, if one inserts a SIM card from a different operator the
phone will refuse to accept it! The cell phone will however accept another
SIM card from the same operator. To activate/deactivate this lock one needs a
special secret code that is not available to the end user. Here is how to activate the menu: <**< Lock to Network? if pressing yes
you have 5 attempts to enter NCK. <**<< Lock to Network subset? if
pressing yes you have 5 attempts to enter NSCK. Warning: Your phone can be locked to a
service provider FOREVER by doing this! If an invalid code is entered all
five times, the menu will exit and be deactivated! Any further attempt to
activate the NCK/NSCK lock Menu will result in the response "Not
allowed"! However the NCK/NSCK lock can be recover through a direct
clearing in the EEPROM. Shortcut for Last Dialed call menu If you for some reason don't want to enter
the 'Last Dialed calls menu' by using the 'YES' key you can use the following
key stroke instead: First '0' then '#'. Message Report When you writing a message, place at the
start of it the code *0# and continue with your message. It's job is like
nokias report. It gives you information about the sended message |
3 November 2003 |
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