Many a times, I have posted freeware software/applications for Nokia S60 3rd Edition based mobile devices that are required to be Symbian Signed to remove security prompts during installation. The previous method was quite cumbersome. Now there are two free utilities for Windows PC available at GoSymbian.com that automate the process of requesting and downloading certificates from Symbiansigned.com and signing an S60 SISX file through the use of GUI:

1) DevCertRequestControl: A GUI based utility that prompts you enter your mobile phone’s IMEI number and automatically downloads a .csr file from Symbiansigned.com. The .csr file can then be uploaded to Symbiansigned.com again to request a .cer certificate file that will be used to sign the S60 software/application.

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2) SignSIS: A GUI based utility that allows you to input the DevCert and KeyFile previously downloaded from Symbiansigned.com through DevCertRequestControl and sign the S60 software/application.

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Here is a brief of the steps to be followed using the above mentioned tools to sign an S60 v3 SISX file:

a) Register an account at SymbianSigned.com
b) Using DevCertRequestControl, enter IMEI number to save and download a .csr file
c) Upload the .csr file to get the .cer certificate
d) Use SignSIS GUI to sign the SISX file

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