আজ আপনাদের সাথে Nokia'র প্রায় সব গোপন কোড শেয়ার করব ।
নিচে এগুলো দিলাম ...
1.#06# for checking the IMEI (International Mobile Equipment Identity).
2.#7780# reset to factory settings.
3.#67705646# This will clear the LCD display (operator logo).
4.#0000# To view software version.
5.#2820# Bluetooth device address.
6.#746025625# Sim clock allowed status.
7.#62209526# – Display the MAC address of the WLAN adapter. This is available only in the newer devices that support WLAN
#pw+1234567890+1# Shows if sim have restrictions.
8.#92702689#
9.#3370# – Enhanced Full Rate Codec (EFR) activation. Increase signal strength, better signal reception. It also help if u want to use GPRS and the service is not responding or too slow. Phone battery will drain faster though.
10.#3370* – (EFR) deactivation. Phone will automatically restart. Increase battery life by 30% because phone receives less signal from network.
11.#4720# - Half Rate Codec activation.
12.#4720* - Half Rate Codec deactivation. The phone will automatically restart
13.#7328748263373738# resets security code.