Nokia Secrets Revealed

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In my previous post  i told you  How to make Free Phone calls from your PC .In this post i will share a few unrevealed Nokia secrets . The following are some of the Hidden secrets codes in Nokia cell phones

Nokia Secrets Revealed 

 Type all the codes given below on your main screen

•     * *#06# for checking the IMEI (International Mobile Equipment Identity).
•     * *#7780# reset to factory settings.
•     * *#67705646# This will clear the LCD display(operator logo).
•     * *#0000# To view software version.
•     * *#2820# To show Bluetooth device address.
•     * *#746025625# Sim clock allowed status.
•     * #pw+1234567890+1# Shows if sim have restrictions. 

•   *#92702689# takes you to a secret menu where you may find some of the information below:

1. Displays Serial Number.

2. Displays the Month and Year of Manufacture

3. Displays (if there) the date where the phone was purchased (MMYY)

4. Displays the date of the last repair – if found (0000)

5. Shows life timer of phone (time passes since last start)

• *#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.

• *#3370* (EFR) deactivation. Phone will automatically restart. Increase battery life by 30% because phone receives less signal from network.

• *#4720# Half Rate Code activation.

• *#4720* Half Rate Code deactivation. The phone will automatically restart

If you have any doubts please be free to comment

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