Hier eine Anleitung, wie man für ein Mobile der Serie 60 3rd Editon ein Zertifikat erstellt, um unsignierte Software laufen zu lassen (z. B. um ein Operatorlogo ändern zu können, oder aber um beim N73/N80 den Landscapemodus nutzen zu können), meinen Dank an die Leute vom ipmart forum.
1) Go to h**ps://www.symbiansigned.com and register a new account

2) Go to My Simbian Signed >>> Developer Certificates and download DevCertRequest tool.
Direct link: h**ps://www.symbiansigned.com/DevCertRequest_30_10_2006_v2.0.exe

3) Install the application in your PC and download the private keyfile, signsis, makesis und Co
4) It’s time to create the certification request: open the DevCertRequest application you just installed and fill in the fields like this:


Use the key you just downloaded (sultan.key). The Private keyfile password: 0123456
5) Go ahead to next steps and follow examples shown below:

6) Insert your IMEI no. and add all application capabilities:



7) Click on finish and your Certificate Request will be created. You can find this file in the folder
C:\Program Files\Symbian OS Tools\Developer Certificate Request\xxxxxxx.csr
xxxxxxx = the name you have used in step 4

Go back to Symbian Signed website and go to My Symbian Signed >>> Developer Certificates >>> Request
direct link: h**ps://www.symbiansigned.com/app/barclayhtml/devcert/requestupload.jsp
and upload the Certificate Request file you just created.

9) Go to My Symbian Signed >>> Developer Certificates >>> My DevCert
direct link: h**ps://www.symbiansigned.com/app/page/devcert/certListdownload
and download your certificate!

10) Create a folder and place the certificate (*.cer) you downloaded from Symbian Signed website, Private Keyfile (*.key) and signsis.exe plus auto_signsis.bat in it.
11) Open auto_signsis.bat with notepad and edit it like this:
signsis.exe NAMEOFTHEPROGRAM.sis NAMEOFTHEPROGRAM.sisx xxxxxx.cer sultan.key 0123456
(*.cer is the certificate you created, and downloaded from Symbian Signed website. NAMEOFTHEPROGRAMM is the SIS File of the Program you like to sign so that it will work on your Mobile (e.g. Oplogo.sis))
- save auto_signsis.bat (do not use Save-As just Save)
12) double click on auto_signsis.bat This will create a new file called NAMEOFTHEPROGRAM.SISX (or whatever you want, just change the filename), install it and enjoy.