All siemens phones:

SP unlock *#0003*(secret code 8 digits)#

Show IMEI code: * # 06 #

Resets language to automatic selection : * # 0000 # then Green button

Secret Codes

All siemens phones:

SP unlock *#0003*(secret code 8 digits)#

Show IMEI code: * # 06 #

Tetris: Power on phone and enter PIN. before phone has locked onto network, F9,

send own number, hit right button, hit 9. left is 2, right is 8, rotate is 5,

and drop is 4.

Monitor Mode: Menu, 9 (Phone Options), 7 (Phone Status), Left Display Button

(left MENU key), 5553756, HangUp Button (Red HandSet key)

Now "Monitor" should appear at the bottom of the Network Options menu.

Pressing the right Display Button when in monitor mode will show a list of the

six cells with the strongest signals.

Test Mode Indicators: (* = only available when call in progress )

CH   Channel Number

RX   Signal Strength (dB)

N     NCC (Color Code)

B     BCC (Color Code)

CI    Cell ID (in Hex)

C1+ how long before phone does forced hand over. (see RX and RXAM)

LAI   Location Area Identity. Display Network ID code (42F010 = 240.01)

and MSC

TXPWR   Transmit Power (dB)

RXAM     Reeceive signal strength cut-off point

TS*        Time Slot Number

TA*        Timing Advance. Distance from tower in Km X 2

PL*        Power Level

   Power Table

   PL:   5 6 7 8 9 10 11 12 13 14 15

   dB:   33 31 29 27 25 23 21 19 17 15 13

   Watts: 2 1.3 .8 .5 .3 .2 .13 .08 .05 .03 .02

LF*   C1 value with continuous transmisson from tower

LS*   C1 Value with discontinuous tranmission from tower

QF*   Bit Error Rate with continuous transmission from tower

QS*   Bit Error Rate with discontinuous transmission from tower

BER (bit error rate) table

QF/QS register: 0 1 2 3 4 5 6 7

% of bit sent:   0.2 0.8 0.4 1.6 3.2 6.4 12.8 25.6

Show IMEI code: * # 06 #

MONITOR MODE

The Siemens S3 Com series have a Monitor mode that can be activated directly

from the standard user keypad. In order to activate this mode, you must enter

the special access code currently programmed into the phone.

TO ACTIVATE MONITOR MODE:

Turn the phone on.

Enter the PIN access code on press OK. (Only if is enabled).

Press Menu. (Left top button).

Press 9. (Phone Options).

Press 8. (Phone Status) (May be button 7 in some phones).

You may see your IMEI Number

Left Display Button (Top left MENU key).

7684666

HangUp Button. (Red HandSet key).

Note: Monitor should appear now at the bottom of the Network Options menu.

MONITOR MODE TOGGLE

Pressing the right Display Button when in monitor mode will toggle into 1 and

2 modes

Tips and tricks:

Nice Sundown in the display.

Siemens S3 or younger:

In the Telephone Book in the section own numbers, first position you have to type in +12022243121 (Number of the Capitol in Washington DC) and save it without a name. Then open this telephone book again do so as you like to change the number but leave the modus without changing anything. A nice Sundown will be shown in the display.

Show IMEI code: * # 06 #

MONITOR MODE

The Siemens S4 series also haves a Monitor mode that can be activated directly from

the standard user keypad. In order to activate this mode, you must enter the

special access code currently programmed into the phone.

TO ACTIVATE MONITOR MODE:

Menu, 9 (Phone Options), 7 (Phone Status), Left Display Button (left MENU key),

7684666, HangUp Button (Red HandSet key)

Now "Monitor" should appear at the bottom of the Network Options menu.

Pressing the right Display Button when in monitor mode will show a list of the

six cells with the strongest signals.

Test Mode Indicators: (* = only available when call in progress )

Unlock Siemens S3/S4 (Not S3 COM)

(For advanced users only)

At addresses 0D8 to 0DD the phones code is stored. To read the

code swap nibbles stored at addresses from 0DA to 0DD. Error

counter is at 0D9. To clear the Phone Code write at addresses

from 0D8 to 0DD:  00, 00, FF, FF, FF, FF.

Phone's connector pin-out:

1- GND   2- SB  3- POWER  4- NC  5- TX  6- RX   7-CLOCK  8-DATA  9-GND MIC  10-HF  MIC  11-AUDIO 12-GND AUDIO