To Lock a folder in windows XP without any software. Follow the steps Below



1)Make a Folder in C drive rename it as "abc" without quotes.

2) Now open Command Prompt from Start Menu.

3)Type "attrib +s +h C:\abc" without quotes and press enter.

This command will Make your folder invisble and it can not be seen even in hidden

files and folders
To make it visible again type "attrib -s -h C:\abc"

You can lock any other folder also by changing the location C:\abc to address of

your folder.

o speed up your windows or to increase RAM virtually



Right click on My Computer

>> Properties

>> Advanced

>> Performance - Settings

>> Advanced

>> Virtual Memory - Change

Keep the initial size same as recommended and maximum size double of it then restart

your system.

It will improve speed of windows and you can play some games which require higher RAM.

block SMS reception



If you need to block SMS reception (if you are spammed by someone) just press this code: *35*xxxx*16# xxxx is your Call Barring code (default is 0000). To remove this barring type: #35*xxxx#

call barring, conference calls.



If your phone doesn't have incoming call barring and outgoing call barring, you can try this. For outgoing call barring dial *33*barcode*# and pres OK. To deactivate it dial #33#barcode*#.

On any phone on any network type in **43# to enable conference calls. You can make up to 7 calls at once

GSM sim Tricks



Type *#61# and press call - Check call redirection status.

Cancel all redirections: ##002#

*43# to activate call waiting, to deactivate #43#.

Speed Dialing From Simcard contact (not stored in mobile phonebook)



Type number followed by # then call.

Example: 1# or 2# or 21#

Hiding your Mobile/ Cellphone Number



Go to: Menu > Tools > Settings > Call > Send My Caller ID >
'Yes', 'No' or 'Set By Network' to follow the default settings of your home network.
It works only with very few network who provide you facility of “Private Number”

To restore Factory Settings for Nokia mobile



*#7780# reset to factory settings.

To enter in the secret menu in Nokia Phone.


On the main screen type *#92702689# [*#war0anty#]
It will take 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)

To check the phones Software revision for Nokia Mobile.


On the main screen type *#0000#

To check Nokia mobile or cellphones IMEI (International Mobile Equipment Identity)


On the main screen type *#06#

Information you get from the IMEI (International Mobile Equipment Identity)
XXXXXX XX XXXXXX X
TAC FAC SNR SP

TAC = Type approval code of your nokia Mobile
FAC = Final assembly code of your cellphone
SNR = Serial number of your nokia Phone
SP = Spare