Hacking symbian will give all of us benefits. But perhaps it will crash your symbian.
Nah, what is the benefits?
1. Non certificate check on installing any symbian file.
2. Give ability of open and edit sys, resource, private folder for both phone memory and memory card.
For those, only need few step to crack your own symbian
For symbian 9.1, 9.2, 9.3:
1. Download "HelloCarbide by drakkarious.rar"
2. Change date into years 2007.
3. Install according to your phone model.
For nokia 3250, 5500, E50, E51, and E61 please install "Drakkarious 2.01 3250 5500 E50 E51 E61.SiS", during installation the program will prompt you what phone your using, you must leave only the one your using with the box ticked, and all others unticked.
Nokia N91 8GB
FP1, 9.2 devices:
Nokia 6124 classic
Nokia N95-3 NAM
Nokia N95 8GB
Nokia N81 8GB
Nokia 6121 classic
Nokia 6120 classic
Nokia 5700 XpressMusic
Nokia 6110 Navigator
Nokia E90 Communicator
FP2, 9.3 devices
Nokia 5320 XpressMusic
Nokia 6210 Navigator
Nokia 6220 classic
4. Install X-plorer from LCG.
5. Run X-plore and press "0", tick the 4 boxes (dont un-tick if ticked already)
6. Without closing X-plore switch to the menu and run hellocarbide
7. Inside hellocarbide press options and chose Menu1 and answer "yes".
8. Go back to X-plore and extract installserver.exe and CProfDriver_SISX.ldd from your c:\hack.rar into c:\sys\bin
9.Restart your phone.
10. Change the date back to the present.
11. Install whatever you want on your phone, even if it is unsigned.