Mobile Secret Codes

Motorola CD 160
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Press menu and type one of these numbers and press OK:

11 = Status Review
13 = Available Networks
14 = Preferred Networks
22 = Select Keypad Tones
25 = Require SIM Card PIN
26 = Language Selection
32 = Repetitive Timer
33 = Single Alert Timer
34 = Set IN-Call Display
35 = Show Call Timers
36 = Show Call Charges
37 = Call Charge Settings

38 = Reset All Timers
43 = Reset All Timers
45 = Show Last Call
46 = Total For All Calls
47 = Lifetime Timer
51 = Change Unlock Code
52 = Master Reset
53 = Master Clear (Warning!! May result in deleting the Message Editor!!!)
54 = New Security Code
55 = Automatic Lock
63 = Battery Saving Mode

Free call tip

1 Enter the phone number
2 Enter OK
3 Type *#06#
4 Press Button C
5 And finally press the button for power off.

You should now be able to talk without being billed.

Motorola CD 520
----------------
Press menu and type one of these numbers and press OK:

11 = Status Review
13 = Available Networks
14 = Preferred Networks
22 = Select Keypad Tones
25 = Require SIM Card PIN
26 = Language Selection
32 = Repetitive Timer
33 = Single Alert Timer
34 = Set IN-Call Display
35 = Show Call Timers
36 = Show Call Charges
37 = Call Charge Settings
38 = Reset All Timers
43 = Reset All Timers
45 = Show Last Call
46 = Total For All Calls
47 = Lifetime Timer
51 = Change Unlock Code
52 = Master Reset
53 = Master Clear (Warning!! May result in deleting the Message Editor!!!)
54 = New Security Code
55 = Automatic Lock
63 = Battery Saving Mode

Free call tip

1 Enter the phone number
2 Enter OK
3 Type *#06#
4 Press Button C
5 And finally press the button for power off.

You should now be able to talk without being billed.

Motorola d460
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#06# for checking the IMEI (International Mobile Equipment Identity)

Activate RBS

(Note: pause means the * key held in until box appears)
To activate RBS type: [pause] [pause] [pause] 1 1 3
[pause] 1 [pause] [ok]
You now have to press the [MENU] and scroll to the 'Eng
Field Options' function with the keys, and enable it.

De-activate RBS

To de-activate RBS type: [pause] [pause] [pause] 1 1 3
[pause] 0 [pause] [ok]
This only works with some versions of software.

What's the use of RBS:

Get Distance From Base Station - Place a call, when it
is answered, press [MENU] until 'Eng Field Option' is
displayed, press [OK], select 'Active Cell', press [OK],
press [MENU] until 'Time Adv xxx' appears, where xxx is
a number. Multiply this number by 550, and the result is
the distance from the RBS (Radio Base Station), in
meters.

Get Signal Quality - press [MENU] until 'Eng Field
Option' is displayed, press [OK], select 'Active Cell',
press [OK], press [MENU] until 'C1' appears. This is the
signal quality. If it becomes negative for longer than 5
seconds, a new cell is selected.

Motorola V3688
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#06# for checking the IMEI (International Mobile Equipment Identity)

Enhanced Full Rate Codec (EFR):

To Enable EFR press [][][] 119 [] 1 [] OK.
To Disable EFR press [][][] 119 [] 0 [] OK

NOTE: Nothing appears on Screen.