Multi-tasking in S40 phone

Multi-tasking in S40 phone
1-Download JAF on pc. 
2-Connect your Phone with pc in PC-Suite Mode. 
3-Open JAF and go to BB5 Tab. 
4-Tick the following. 
a-Read pp. 
b-Normal Mode. 
c-CRT 308(Already Ticked). 
5-Now Click Service. 
6-Save the *.pp file on Desktop.
7-Open the *.pp file in Notepad.
8-In case the Phone is- 
a-Nokia s40 v3 then Search for 28 1 line and change it to 28 2
b-Nokia s40 v5 then Search for 48 and change it to 48 2
c-In case there is no 48 or 28 then add the Appropriate line i.e 48 2 or 28 2. to the first row.
9-Save the *.pp
10-Open JAF>BB5 Tab.
11-Tick the following:
a-Upload pp
b-Normal Modec CRT-308 (Already Ticked)
12-Click on Service.
13-Select the *.pp File.
14-After it shows Done, Select Normal Mode from the Drop Down Menu.
15-Phone will Restart and show "Test in RNDIS USB mode?" Press NO. This popup will be shown on every restart. This is normal..
Now we have successfully disabled the Nokia Security wall.


Edit Java Application u want to do multitasking

Steps
1-Copy the Java(.jar) application to the computer.
2-Open the *.jar file with WinRAR.
3-Browse to Meta-Inf Folder and Open it.
4-Open the Manifest.MF file in Notepad.
5-At the end of the codes add this line Nokia-MIDlet-no-exit: true
6-Save the notepad file.
7-Click on Yes when WinRAR asks to Update the Archive.
8-Copy the *.jar file to Nokia.

Some special things to note 
1. After uploading pp file YOUR phone will show test mode after that remove battery and start the phone 
2. When 2apps are open and when you close any one app there will be a warning showing `TCK flag set dont worry its just regular 
3. If you download any app from mobile(if it is download via JAD file) then it will not let you open the file in your PC.
4. In case your phone is not detcted by JAF then remove cable press the required button and immediately insert the cable it will work

thats it this is my first post so please tell me how it was 
i am also posting the demo where to edit application manifest.MF file 

here is the link of JAF software  Jaf.zip


Any doubt Just comment it