1 Imagine ur cell battery is very low, u r expecting an important call and u don't have a charger.

Nokia instrument comes with a reserve battery. To activate, key is "*3370#"

Ur cell will restart with this reserve and ur instrument will show a 50% incerase in battery.

This reserve will get charged when u charge ur cell next time.

*3370# Activate Enhanced Full Rate Codec (EFR)-Your phone uses the best sound quality but talk time is reduced by approx. 5%
#3370# Deactivate Enhanced Full Rate Codec( EFR)

*#4720# Activate Half Rate Codec - Your phone uses a lower quality sound
but you should gain approx 30% more Talk Time
*#4720# Deactivate Half Rate Codec

2 *#0000# Displays your phones software version,

1st Line :S oftware Version,
2nd Line : Software Release Date,
3rd Line : Compression Type
3 *#9999# Phones software v ersion if *#0000# does not work

4 *#06# For checking the International Mobile Equipment Identity (IMEI Number)

5 #pw+1234567890+1# Provider Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)

6 #pw+1234567890+2# Network Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)

7 #pw+1234567890+3# Country Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)

8 #pw+1234567890+4# SIM Card Lock Status.(use the "*" button to obtain the "p,w" and "+" symbols)

9 *#147# (vodafone) this lets you know who called you last *#1471# Last call (Only vodofone)

10 *#21# Allows you to check the number that "All Calls" are diverted To 

11 *#2640# Displays security code in use

12 *#30# Lets you see the private number

13 *#43# Allows you to check the "Call Waiting" status of your phone.

14 *#61# Allows you to check the number that "On No Reply" calls are diverted to

15 *#62# Allows you to check the number that "Divert If Unrea chable(no service)" calls are diverted to

16 *#67# Allows you to check the number that "On Busy Calls" are diverted to

17 *#67705646#R emoves operator logo on 3310 & 3330

18 *#73# Reset phone timers and game scores

19 *#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

20 *#7760# Manufactures code

21 *#7780# Restore factory settings

22 *#8110# Software version for the nokia 8110

23 *#92702689# (to rember *#WAR0ANTY#)

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

24 *#94870345123456789# Deactivate the PWM-Mem

25 **21*number# Turn on "All Calls" diverting to the phone number entered

26 **61*number# Turn on "No Reply" diverting to the phone number entered

27 **67*number# Turn on "On Busy" diverting to the phone number entered

Each command is prefixed with either one or two * or # characters as follows:
** Register and Activate
* Activate
## De-Register (and Deactivate)
# Deactivate
*# Check Status
© Call button

Once each command has been entered, if it is a network command (as opposed to a local handset command) it must be transmitted to the network by pressing the YES (receiver) key which acts as an enter key - this is represented here with the © character. Always enter numbers in full international format +CountryAreaNumber ( e.g. +447712345678).

Command Description Command String
Change call barring code **03*OldCode*NewCode*NewCode#©
Change call barring code **03*330*OldCode*NewCode*NewCode#©
Change PIN code **04*OldPIN*NewPIN*NewPIN#©
Change PIN2 code **042*OldPIN2*NewPIN2*NewPIN2#©
Unlock PIN code (when PIN is entered wrong 3 times) **05*PUK*NewPIN*NewPIN#©
Unlock PIN2 code (when PIN2 is entered wrong 3 times) **052*PUK2*NewPIN2*NewPIN2#©
Display IMEI *#06#
Call Forwarding (Diversions)
De-register all call diversions ##002#©
Set all configured call diversions to number and activate **004*number#©
De-register all configured call diversions (no answer, not reachable, busy) ##004#©
Unconditionally divert all calls to number and activate **21*number#©
Activate unconditionally divert all calls *21#©
De-register unconditionally divert all calls ##21#©
Deactivate unconditionally divert all calls #21#©
Check status of unconditionally divert all calls *#21#©
Divert on no answer to number and activate **61*number#©
Activate divert on no answer *61#©
De-register divert on no answer ##61#©
Deactivate divert on no answer #61#©
Check status of divert on no answer *#61#©
Divert on not reachable to number and activate **62*number#©
Activate divert on not reachable *62#©
De-register divert on not reachable ##62#©
Deactivate divert on not reachable #62#©
Check status of divert on not reachable *#62#©
Divert on busy to number and activate /td> **67*number#©<
Activate divert on busy *67#©
De-register divert on busy ##67#©
Deactivate divert on busy #67#©
Check status of divert on busy *#67#©
Change number of seconds of ringing for the given service before diverting a call (such as on no answer). Seconds must be a value from 5 to 30. De-registering the same divert will also delete this change! **service*number**seconds#© (Service numbers, see below)
Call barring
Activate barr all outgoing calls (see Security to set code) **33*code#©
Deactivate barr all outgoing calls #33*code#©
Check status of barr all outgoing calls *#33#©
Activate barr all calls **330*code#©
Deactivate barr all calls #330*code#©
Check status of barr all calls /td> *#330*code#©<
Activate barr all outgoing international calls **331*code#©
Deactivate barr all outgoing international calls #331*code#©
Check status of barr all outgoing international calls *#331#©
Activate barr all outgoing international calls except to home country **332*code#©
Deactivate barr all outgoing international calls except to home country #332*code#©
Check status of barr all outgoing international calls except to home country *#332#©
Activate barr all outgoing calls **333*code#©
Deactivate barr all outgoing calls #333*code#©
Check status of barr all outgoing calls *#333#©
Activate barr all incoming calls **35*code#©
Deactivate barr all incoming calls #35*code#©
Check status of barr all incoming calls *#35#©
Activate barr all incoming calls when roaming **351*code#©
Deactivate barr all incoming calls when roaming #351*code#©
Check status of barr all incoming calls when roaming *#351#©
Activate barr all incoming calls **353*code#©
Deactivate barr all incoming calls #353*code#©
Check status of barr all incoming calls *#353#©
Call waiting
Activate call waiting *43*#©
Deactivate call waiting #43##©
Check status of call waiting *#43#©
Calling Line Identification
The following only works if CLIP and CLIR are enabled (ask your service provider)
CLIP: Presentation of the number of the incoming call
Activate CLIP **30#©
Deactivate CLIP ##30#©
Check status of CLIP *#30#©
CLIR: Presentation of one's own number to the to the called party
Activate CLIR **31#©
Activate CLIR for the actual call *31#number©
Deactivate CLIR ##31#©
Deactivate CLIR for the actual call #31#number©
Check status of CLIR *#31#©
COLP: Presentation of the actual number reached (if number called was diverted to another number
Activate COLP *76#©
Deactivate COLP #76#©
Check status of COLP *#76#©
COLR: Presentation of the original number called by the calling party (if the call was diverted to this cellphone)
Activate COLR *77#©
Deactivate COLR #77#©
Check status of COLR *#77#©


How to install GlomoSim in Linux Mint & Ubuntu & RedHat

In GloMoSim we are building a scalable simulation environment for wireless and wired network systems. It is being designed using the parallel discrete-event simulation capability provided by Parsec. GloMoSim currently supports protocols for a purely wireless network. In the future, we anticipate adding functionality to simulate a wired as well as a hybrid network with both wired and wireless capabilities.

GLomoSIm User Manual is here :

To install GloMoSim in Ubuntu or Linux Mint

Follow the steps

1) Install Parsec by typing
    sudo apt-get install parsec47

3) Change into the glomosim-2.03/glomosim/main
    cd glomosim-2.03/glomosim/main

4) Build by typing:

To the set the environment variables edit the .bashrc in your home directory and type for example:
    export PCC_DIRECTORY="/home/mydir"

and save the .bashrc file. Logout and login again then type the following at the command line to make sure the environment variable is set:
you should see /home/mydir


  • Uncompress glomosim-2.03.tar.gz file
$tar -xzvf glomosim-2.03.tar.gz

  • Set Environment variable
$ gedit ~/.bashrc

Then add following lines


  • Copy both files pcc and parsecc from glomosim-2.03/parsec/redhat-7.2/bin/ dir and copy into usr/bin dir
$ sudo cp glomosim-2.03/parsec/redhat-7.2/bin/pcc glomosim-2.03/parsec/redhat-7.2/bin/parsecc usr/bin

  • Goto glomosim-2.03/glomosim/main dir and run make.
$ cd glomosim-2.03/glomosim/main
$ make

Implementation of Leach Protocol NS2

This is  only the steps  to install and run the LEACH protocol on version 2.27 of ns2 .The LEACH implementation was written as a stand-alone application. Thus, in the past a version compiled for LEACH may or may not work for other protocols. In addition, the original version of LEACH was compiled for version 2.5b which is an outdated version of ns2.

Setup Procedure

1. Obtain the ns-allinone-2.27.tar.gz package. This can be found at:
2. Unpackage the archive
gunzip ns-allinone-2.27.tar.gz 
tar xvf ns-allinone-2.27.tar

3. Change directory to ns-allinone-2.27
cd ns-allinone-2.27

4. run the install script

5. Add the appropriate environment variables as specified at the end of installation.

7. Place the mit.tar.gz package into the ns-allinone-2.27/ns-2.27 directory.

8. Change directory to ns-allinone-2.27/ns-2.27
9. Unpackage the archive which will overwrite all appropriate files and set up symbolic links.
gunzip mit.tar.gz
tar xvf mit.tar
10. A sample make file can be found at Edit the Makefile as follows:

Add DMIT_uAMPS to the DEFINE list
Add I./mit/rca I./mit/uAMPS to the INCLUDE list
Add the following just prior to the line gaf/gaf.o \
mit/rca/energy.o mit/rca/rcagent.o \
mit/rca/rca-ll.o mit/rca/resource.o \
mac/mac-sensor-timers.o mac/mac-sensor.o mit/uAMPS/bsagent.o \

11. Clean up previous build
make clean
12. Rebuild ns2 this can take a while so I recommend redirecting output, running in background and going to lunch.
nohup make 2>error.log >make.log &
13. Test default wireless demo and LEACH
14. Validate the full installation this takes a while too so take a break
nohup ./validate-full 2>validate.error >validate.log &


Unbrick Your Samsung Galexy Ace GT S5830i

Last week i brought a brand new Samsung Galaxy ACE GT S5830i. Rooted it on the day brought it. and i started playing with the ROM . unfortunately the boot loader crashed .and the phone stuck on boot screen .I tried to enter recovery mode by pressing POWER + Volume up + Home buttons ,it also doestnt work . I become panic. and i googled it .Found that My phone is bricked . and i found a working method to unbrick it 

How to Unbrick Ace 5830i / How to use odin -

  • Things you need:
    1. Samsung Drivers (link)
    2. Odin with (Download)
    3. Firmware package - It is samsung original OS that will be flashed using odin. You can get it in two ways:
      1. S5830IXXLA4_S5830IOXXLA2_ATO Repacked -
        • This is a repacked zipped file that is uploaded by me and can be directly flashed using odin.
        • It will work and your phone will be unbricked but the OS might not be from your region. CSC will be different[Download] PASSWORD =
      2. Your Region repack package -
        • Providing package for every ace i of different countries is very difficult so you have to do some work.
        • Go to "Flashing ORIGINAL Samsung Firmware/ Going back to Stack Rom" down below tutorial to learn how to make a Repacked package yourself just like one i created above.
        • Using tutorial "Flashing ORIGINAL Samsung Firmware/ Going back to Stack Rom", 3 files CSC, modem and PDA will be extraced.
        • An additional file Bootloader (link) is requires with other 3. It has been attached below.
        • So, Simply first watch the "Flashing ORIGINAL Samsung Firmware/ Going back to Stack Rom" tutorial first, get the files and get to this tutorial after that.

Its working .. I got my breath .. Now my phone is working


How To Use Android As Webcam for PC

Imagine that you have very important work and want to use Skype or MSN video calling but haven’t any webcam Sad smile some days ago I have the same situation , after that I googled and found a very fantastic way to make video calls without buying a webcam . yes friends we can use our android phone as a webcam for pc
There are two ways to use android as webcam -
  1. Wireless Using internet
  2. Using USB

    ( I ) Use your phone as a webcam via wireless

    This is the more flexible and best way that i prefer  to use
    Requirements : 
    1. internet connection both on pc and phone
    2. download free application called IPwebcam from here via android market
    Follow these Steps: 
    1. install ipwebcam
    2. you can configure following preference  as you required, I leave all things default
      • communications port
      • enable / disable sound
      • disable / enable the notifications

      • After all thing is configures ,click on ‘start server’
      • and it will turn your camera on , you will see in upper left corner of screen a button appeared called ‘How do I connect?’ '
      • click on that buttton 
      • and you will receive a URL with the port 
      • All you have to do is open your browser and type this address and you will find a screen with various items and options

How to add A New Place in Facebook to check in ..

How do I create a new location?

You can only create a new location if one doesn't already exist with a similar name. On a mobile device with location services enabled:

It can be only done using a mobile device 


Select    Nearby

Tap Check In (top-right corner)

Start typing the name of the location you'd like to add

If there are no existing locations with similar names, tap Add "[New Location]"..." 
Confirm the name of the the location you want to create and tap Add

You can then continue to post from that location:
  1. Write a caption, tag friends or add a photo
  2. Tap Post
The default location for any new place you create will be where you are currently located. Also, keep in mind that any location you create is public. This means that other people may see the location while browsing Facebook.

How to install NS3 in Linux Mint & Ubuntu

ns-3 is a discrete-event network simulator for Internet systems, targeted primarily for research and educational use. ns-3 is free software, licensed under the GNU GPLv2 license, and is publicly available for research, development, and use. 
Take a look to how to install NS3 in ubuntu or Linux Mint 

To install NS in Linux 
  •   ubuntu 10.10 or higher
  •  an internet conenction
if you have both  follow the simple steps 

   1. open the Terminal
   2.First update the Ubuntu repos:
$sudo apt-get update

After this install the following packages 

$ sudo apt-get install gcc g++ python

$ sudo apt-get install gcc g++ python python-dev
$ sudo apt-get install mercurial

$ sudo apt-get install bzr

$ sudo apt-get install gdb valgrind

$ sudo apt-get install gsl-bin libgsl0-dev libgsl0ldbl

$ sudo apt-get install flex bison

$ sudo apt-get install gcc

$ sudo apt-get install g++

$ sudo apt-get install tcpdump
$ sudo apt-get install sqlite sqlite3 libsqlite3-dev

$ sudo apt-get install libxml2 libxml2-dev
$ sudo apt-get install libgtk2.0-0 libgtk2.0-dev
$ sudo apt-get install vtun lxc

$ sudo apt-get install uncrustify

$ sudo apt-get install doxygen graphviz imagemagick
$ sudo apt-get install texlive texlive-pdf texlive-latex-extra texlive generic-extra texlive-generic-recommended

$ sudo apt-get install python-pygraphviz python-kiwi python-pygoocanvas libgoocanvas-dev

Then make a directory 

$ mkdir ns                                                 //(you can use of different name for ns)
$ cd ns                                                     // (with this command you can enter to your directory)
$ wget   //(if this command doesn’t work you can download and copy it into directory)
$ tar xjf ns-allinone-3.15.tar.bz2                     //(with this command you can extract directory)
$ cd ns-allinone-3.15-RC1
$ ./
$ cd ns-3.15-RC1
$ ./waf configure

$ ./waf

Simulate your networks and enjoy...........

How to root Samsung Galaxy Ace S5830i

If you have a Samsung Galaxy Ace which running on Android 2.3.6 GINGERBREAD  you can easily root ,To check your device details just go to Settings -> About Phone and you can find all thing about your phone 

What is Rooting?
For the benefit of those who are not familiar with rooting, it is like jailbreaking your phone to support neat new features normally not found on a smartphone. You can make your phone run faster, install custom ROMs, and install (sideload) applications from third-party sources once you gain root access on your device.
But you have to keep in mind that rooting your device could mean voiding its warranty. Although, there is usually the option of unrooting your device by updating it with a stock ROM. Overall, rooting can be a win-win situation.


How to root Galaxy Ace s5830i.

1.Put in your main directory in the SD card.

2.Turn off your phone.
3.Boot in Recovery by pressing:POWER+VOLUME UP+HOME buttons.
4.In Recovery select Install zip from sd 
6.Reboot your phone and it's ready.There must be a Superuser icon in your Apps menu.

How to unroot
1.Exactly the same just put the file unroot in your main directory and folow the steps.
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