Can we sign unsigned applications on mobile? And is there any way to sign our unsigned applications without going to symbian? Yes it is, there is a way to sign unsigned applications on our mobile and for that we don't need to go for symbian. Here i would like to give you a clear step-by-step procedure with screen shoots to get it done. Follow those steps and never give a chance to others to sign your applications.
TO Sign unsigned applications on your mobile you need to install some applications both on your mobile and Computer. This is a one-time procedure, i can promise that you can sign any unsigned applications without any problem after walking through this post.
Step 1:- Go to "Application manager" and select "options" and then select "settings" then "OFF THE ONLINE CERTIFICATE CHECK" as shown bellow.
Step 2:-Install X-plore on your mobile, open it and "PRESS 0" and "Tick the first four Boxes" as shown bellow. Exit it.
Step 3:- Copy the "00000001.rar" to memory card or to hard drive.
Step 4:- Open X-plore browse to 00000001.rar and "Extract it to C" use 4 button to Extract.
Step 5:-Now browse to C:\resource\swicertstore\dat\00000001. Press 6 & enable the "Read only" attribute for it.
Step 6:-Install "TRK" on your mobile. Choose correct compatible application for your device from following information
s60_3_0_app_trk_2_8_6.sisx for SymbianOS9 devices WITHOUT FP1
s60_3_1_app_trk_2_8_6.sisx for SymbianOS9 devices WITH FP1
Nokia N91 8GB
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
Step 6:- Connect your mobile to your computer using "USB CABLE" in "PC SUITE MODE".
After that go to Control panes-> On System double click it -> HARDWARE-> DEVICE MANAGER CLICK ON "PORTS" and remember the port number associated with Your nokia mobile.
This is shown clearly bellow.
Step 7:- Now install RpInstaller.exe on your computer and change the its settings as guided there in "ReadMe" file in that.
Step 8:- Now Run TRK on your mobile, change its setting connection from Bluetooth to USB and press back.
Step 9:- Run RpInstaller.exe and change the port number to the number which you got in Step 6. Now press "install" then it installs ROM PATCHER TO YOUR MOBILE.
Step 10:- Open Rom Patcher on your mobile and select "options" and disable caps as shown bellow, exit.
Step 11:- Install SignSis on your mobile and copy Left up certificate and key to your momory card. And start signing your files with this Signsis and Left up certificate and key as shown bellow.
Signed files automatically reside in the same directory of unsigned files.
If you format or Update your firm ware, you have to do all the above steps again.
This trick is successfully working on my Nokia N918gb.
If you have any doubts, feel free to ask me.