Ericsson 688 Secrets (also work on other models)
Check the IMEI (International Mobile Equipment Identity)
*#06#
Reset the phones menu-language to English.
*#0000#
Check the software release information
>*<<*<*
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 '#'. Bat. level
indicator when turned OFF... When the gh688 is turned off and the phone
is not changing - the bat. level can be seen for a short period of time
by pressing the 'NO' key quick once (it has to be quick!) and then wait
for about 2 sec. The bat. level will now be shown in the display at its
normal position. 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. Full Network Name You can see the Full
Network Name by doing the following: Go to the network menu, when the
phone displays the networks available (in 'Select net' and 'Edit list'
menu) you can press * and you will see the full name. Full Operator List
You can view the full operator list by doing the following: Go to the
'Edit list' menu under 'networks'. The phone say 'please wait'
(searching for other networks). When finished, Press the <> keys.
How to enable net monitor on Ericson 688
1. Remove SIM from phone
2. Dial 112, press YES, hear something,
3. Dial 112YESNO
4. Press <>Ericsson 628 Secrets (also work on other models)
Check the IMEI (International Mobile Equipment Identity)
*#06#
Reset the phones menu-language to English.
*#0000#
To see the time and date
*#103#
Check the software release information
>*<<*<*
Shortcut for Last Dialed call menu If for some reason you 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 '#'. Battery level
indicator when turned OFF When the phone is turned off and the phone is
not changing - the battery level can be seen for a short period of time
by pressing the 'NO' key quick once (it has to be quick!) and then wait
for about 2 sec. The battery level will now be shown in the display at
its normal position. 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. Alarm Clock Menu Go to MissedCall Empty
the list Press the -> key for a second or two
The option Menu size turns up
Choose 'yes' and go from there.