Nokia Secret Codes

Below are one of the most secret Codes of Nokia.
*#9990# Says
"Bluetooth
Test Mode"
on Symbian
models;
accepts without any
messages and
Bluetooth
behaves
abnormally on
non-Symbian ones (models
with build-in
Bluetooth
radio,
activate first
to use)
*#bta0# Display the
Bluetooth
MAC address
(models with
build-in
Bluetooth radio,
activate first
to show
address)
*#mac0wlan# Display the
WLAN MAC
address
(models with
build-in Wi-fi
radio)
*#opr0logo# Clear the
operator logo
(3310 and
3330 only)
*#pca0# Activate the
GPRS PCCCH
support
(early GPRS
models)
*#pcd0# Deactivate
the GPRS
PCCCH
support
(early GPRS
models)
*#res0wallet# Reset the
mobile wallet
(models with
mobile wallet)
*#res0# Soft-format
the memory
(Symbian
models only)
*#rst0# Reset to
factory
defaults,
confirmation
required
(DCT4 or newer)
*#sim0clock# Display the
SIM clock
status (DCT3
only)
*#ssn0# Display the
manufacturing
serial number
(mid-range
and premium
DCT3, basically all DCT4 and
BB5 non-
Symbian
models)
*#war0anty# Display the
manufacturing
and repair
info (no exit
on DCT3) or
total talk time on
Symbian
models
Note: many
S40 firmware
releases since 2009 disable
this code
*efr0# Enable EFR
encoding
(pre-2003
models)
#efr0# Disable EFR
encoding
(pre-2003
models)
*hra0# Enable HR
encoding
(pre-2003
models)
#hra0# Disable HR
encoding
(pre-2003
models)
#pw
+1234567890+n#Display the
SIM lock
status:
(pre-2003
models)
n = 1: provider lock
n = 2:
network lock
n = 3: country
lock
n = 4: SIM lock n# n = 1..999:
recall the
number
stored in the
SIM location n
(DCT3, DCT4, BB5 models).

Posted in: Mobiles Secret Codes , Nokia Secret Codes And Tricks