Ericsson codes

Programming:
Shot NAM 987 + menu
Long NAM 923885 + menu and enter SPC: "000000" or may be other SPC typed by user.
CDMA mode 904093 + menu
Analog mode 904095 + menu DM mode 904959 + menu

Ericsson DH-368Try these Codes on your DH-368 phone:

1) Power on.
2) Press 904059 + 'MENU'
3) 'TEST SET' display ...
4) Press 'YES' will display @ then press 1 'RCL' will turn light off
and you will see 'DONE'
5) Press 'YES' will display @ then press 86 'RCL' display 'DONE'
also you will hear static...
You can just enter the channel number (up to 1023) by pressing
'Yes' 3 'CLR' XXXX - channel number to enter a channel directly.
You can also see the signal level on channel by pressing 3 'MENU'.
You can see the ESN number by pressing 'YES' 1 'RCL' 96 in HEX format.
6) Press 3 to exit, now you phone will power down and power up again.
You can install the phone number into the phone by pressing 923885 + 'MENU'

Ericsson 388

*#06# for checking the IMEI (International Mobile Equipment Identity)

*#0000# to reset the phones menu-language to English.
>*<<*<* 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. (298 entries)
>*<<*<*>> n-row text strings. if pressing yes you can check
the phones text programming in currently selected language. (160 entries?)

Ericsson GF788

*#06# for checking the IMEI (International Mobile Equipment Identity)
>*<<*<* 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. (298 entries)
>*<<*<*>> n-row text strings. if pressing yes you can check
the phones text programming in currently selected language. (160 entries?)
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.
Free phone calls using the GF788..
NB! This trick has only been reported working on PREPAID GSM CARDS
and in some countries and with some sw versions.
The prepaid GSM SIM CARD is a kind of "SIM card" which only has a sertant
amount of credit on it (like a normal phonebox telecard)...
if it can be traced? - I don't know...
Well..here's the trick you dial the no. normally and press YES. While "connecting"
is shown on the screen, the following procedure should be carried out:
Press CLR then 0 then # and then NO (twice) so as to switch OFF the phone.
You can then still speak on the phone while it is switched off but the
SIM card does not record your calls which will lead to FREE
phone calls in some countries.. we hope!!
Another variant of the code ..
Make a Call, while the phone says Connecting type 083# (the position 83 must be empty! ), when phone says Pos Emtpy, press the NO key and turn off the phone.
If you can make the call with the phone turned off you will face a problem when
you need to hang up the phone...the only way for you to do that is remove the
battery...??? (Please tell me otherwise!!)

Ericsson GF769

Edit Greetings Tip

1. Go to the Keylock menu.
2. Set lock to Auto.
3. Press YES then hold the left arrow until the Greetings menu appears.
GF788 menu in your GF768 phone!

1. Go to the EDIT MENU and press YES.
2. Type the number "2" and press YES.
3. In "NAME" HOLD DOWN the "2" key until the number "2" appears. Press YES.
4. Press YES again (to save any position) then QUICKLY press
and hold left arrow (<) until "SIZE" appears in the display.
5.Press YES and choose "Full size". You now have the GF788 menu!

Ericsson 628

To view IMEI number enter * # 0 6 #
To view Software Version enter -> * <- <- * <- *
To read all programmed texts enter -> * <- <- * <- * ->
To view phone network lock status enter < * * < (wait 3 sec)
To fast dial press phone number pos nr and # (Example: 1 5 #)
To fast dial last number press 0 #
To reset main menu language to english enter * # 0 0 0 0 #
To see battery level while phone is turned off quickly press and release on/off(NO button).
To see Extended menus (on older versions) go to MISSED CALLS, empty directory, press and HOLD right arrow button, choose menu type
To see Extended menus (on newer versions) go to READ, empty directory, press and HOLD left arrow button, choose menu type
To edit phone book Turn on extended menus and choose "EditPh.Bk".
Command set
The following commands are recongnized by the phone.Use 9600 baud, 1 stopbit, 8 data bits, no parity.

ATA Pick up phone during ring
AT+GMI Manufacturer identification
AT+GMO Request model Identification
AT+GMR Request revision Identification
AT+GMM
ATDxxx; Dial number xxx
ATH Hangup phone
AT+CFUN=? Define levels of fuctionality in the order of power consumed
AT+CFUN=0 Switches off the phone
AT+CBC Query battery level

Each command has to be followed by a 0x0A, 0x0D sequence, that is carriage return - line feed.
These commands will be ackowledged with an 'OK' prompt. An
incoming call is signalled by the string 'RING' sent by the phone at 9600b in normal mode.
Portable Handsfree Unit
1 Earphone: 16 Ohm
2 Microphone: <- 2 kOhm
5 Connected to 04 (GND)
Pinouts
Left to right, keyboard up
1 Audio Out
2 Audio In
3 Accessory Sense. GND to enable External Mic and Speaker (Analog)
4 Audio Signal GND.
5 Portable handsfree In.
6 Music Mute Out, High when phone is used.
7 In Flash Memory Voltage and Service Voltage, In 0V=normal,+5V=test, +12V=test+flash
8 Logic Out, Status On. Sources over 100mA
9 Data Out from Mobile Station. Debug messages appear here at 112KBaud when in debug mode.
10 Digital Ground and DC return
11 Data in
12 DC in for battery charging, DC out for accessory power

Ericsson 688

To view IMEI number *#06#
To view Software Version enter -> * <- <- * <- * CLR
To reset phone language to English *#0000#
>*<<*<*> 1-row text strings. If pressing YES you can check the phones 1-row text programming in currently selected language.

>*<<*<*>> n-row text strings. If pressing YES you can check the phones n-row text programming in currently selected language.
Pinouts
1 = + external power supply. 7.2v @ 600mA.
2 = RS232 input (TTL)
3 = GND (digital)
4 = RS232 output (TTL)
5 = +5V output. Limited.
6 = Test. Switch phone off and provide +5V and switch back on. (set comms at 9600, n,8,1)
7 = Mute (0 - Normal, 1 - In Call)
8 = Internal/external (0 - External Mic/Speak, 1 - Internal Mic/Speak)
9 = GND (analog)
10 = Related to Mic/Speak
11 = BF in
12 = BF out

Ericsson 888Secret Codes

Software

The phone should display something similar to this:
CXC125065 - Cell phone's internalproduct code.
PRG - Firmware revision - software version (date & time stamp).
970715 1515
LASTEST Version is: <990614>
Fixes: ???
CXC125131
PRG
990614 1714

IVER
980408 1035
PRGCXC125101
Software update, how?
I have been asked a lot about how to update the software in cellular phones.
The easiest thing to do is to go to the nearest Ericsson
dealer and make him do it for you. Just remember that it is supposed to
be free (a receipt is requiet) so don't let him tell you anything else!

Service Provider 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. (not even to you... or is it ? in case please let me know!)
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.

Tips and Info

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 SH888 your phone may stop at Keylock On? menu and you´ll have to take your battery out to turn the phone on again.