[1] #3370# Deactivate
Enhanced Full Rate Codec (EFR) OR
*#3370#
(2) *3370# Activate Enhanced Full Rate Codec (EFR) – Your
phone uses the best sound quality but talk time is reduced
my approx. 5%
(3) *#4720# Activate Half Rate Codec – Your phone uses a lower
quality sound but you
should gain approx 30% more Talk Time.
(4) *#4720# Deactivate Half
Rate Codec.
(5) *#0000# Displays your phones software version, 1st Line : Software Version, 2nd
Line : Software Release Date, 3rd Line : Compression Type.
(6) *#9999# Phones software version if *#0000# does not
work.
(7) *#06# For checking the
International Mobile Equipment Identity (IMEI Number).
(8) #pw+1234567890+1#
Provider Lock Status. (use the “*” button to obtain the “p,w”
and “+” symbols).
(9) #pw+1234567890+2#
Network Lock Status. (use the
“*” button to obtain the “p,w” and “+” symbols).
(10) #pw+1234567890+3#
Country Lock Status. (use the “*” button to obtain the “p,w”
and “+” symbols).
(11) #pw+1234567890+4# SIM Card Lock Status. (use the “*” button to obtain the “p,w”
and “+” symbols).
(12) *#147# (vodafone) this lets
you know who called you last.
(13) *#1471# Last call (Only
vodofone).
(14) *#21# Allows you to check
the number that “All Calls” are
diverted to.
(15) *#2640# Displays security
code in use.
(16) *#30# Lets you see the
private number.
(17) *#43# Allows you to check
the “Call Waiting” status of your
phone.
(18) *#61# Allows you to check
the number that “On No Reply”
calls are diverted to.
(19) *#62# Allows you to check
the number that “Divert If
Unreachable (no service)” calls
are diverted to.
(20) *#67# Allows you to check
the number that “On Busy Calls”
are diverted to.
(21) *#67705646# Removes
operator logo on 3310 & 3330
mostly.
(22) *#73# Reset phone timers
and game scores.
(23) *#746025625# Displays the
SIM Clock status, if your phone
supports this power
saving feature “SIM Clock Stop
Allowed”, it means you will get
the best standby time possible.
(24) *#7760# Manufactures
code.
(25) *#7780# Restore factory
settings.
(26) *#8110# Software version
for the nokia 8110.
(27) *#92702689# Displays –
1.Serial Number,
2.Date Made,
3.Purchase Date,
4.Date of last
repair (0000 for no repairs)
5.Transfer User Data. To exit this
mode you need to switch your
phone off then on again.
(28) *#94870345123456789#
Deactivate the PWM-Mem.
(29) **21*number# Turn on “All
Calls” diverting to the phone
number entered.
(30) **61*number# Turn on “No
Reply” diverting to the
phone number entered.
(31) **67*number# Turn on “On
Busy” diverting to the phone
number entered.
(32) 12345 This is the default
security code.
Some of more hidden codes
here>>
press and hold # Lets you switch
between lines
Provider lock status: #pw
+1234567890+1
Network lock status #pw
+1234567890+2
Provider lock status: #pw
+1234567890+3
SimCard lock status: #pw
+1234567890+4
Enhanced Full Rate: *3370#
[ #3370# off]
Half Rate: *4720#
NOKIA
3110 IMEI number: *#06#
Software version: *#0000#
or *#9999# or *#3110#
Simlock info: *#92702689#
This will show your warranty
details *#92702689#
*3370# Basically increases the
quality of calling sound, but
decreases battery length.
#3370# Deactivates the above
*#0000# Shows your software
version
*#746025625#This shows if
your phone will allow sim clock
stoppage
*4370# Half Rate Codec activation. It will automatically
restart
Restore Factory Settings
To do this simply use this code
(*#7780#)
Manufacturer Info
Date of Manufacturing *#3283#
*3001#12345# (TDMA phones
only) This will put your phone into programming mode, and you’ll be presented with the programming menu.
2) Select “NAM1″
3) Select “PSID/RSID”
4) Select “P/RSID 1″
Note: Any of the P/RSIDs will
work
5) Select “System Type” and set
it to Private
6) Select “PSID/RSID” and set it
to 1
7) Select “Connected System ID”
Note: Enter your System ID for Cantel, which is 16401 or 16423. If you don’t know yours,
ask your local dealer for it.
Select “Alpha Tag”
9) Enter a new tag, then press
OK
10) Select “Operator Code (SOC)” and set it to 2050
11) Select “Country Code” and set it to 302 for Canada, 621
Nigeria and 310 for the US.
12) Power down the phone and power it back on again ISDN
Code. To check the ISDN number on
your Nokia use this code *#92772689#
N/B: codes working based Nokia model so might no work in all.