Ericsson 388 Secrets
*#06# : Checks the IMEI (International Mobile Equipment Identity)
*#0000# : Reset the phones menu-language to English
>*<<*<* : Checking the firmware revision
information (software release).
>*<<*<*> : 1-row text strings. By pressing "Yes", you
can check the phones text programming in currently selected language (298
entries).
>*<<*<*>> : n-row text strings. By pressing "yes",
you can check the phones text programming in currently selected language.
(160 entries).
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.
<**< Lock to Network ? By pressing "yes", you have 5 attempts to
enter NCK.
<**<< : Lock to Network Subset? By 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 recovered 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 '#'.
Access menu without SIM card
To access to the menu in your phone without having a card inside do the following :
Type **04*0000*0000*0000#
When display say "Wrong Pin" press NO and you have
access to the all menus : Info, Access, Settings, Calculator, Clock,
Keylock On?, Mail, Phone book.
NOTE : If you try this on the GH688 your phone may stop at Keylock On? menu and
you�ll have to take your battery out to turn the phone on again.
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