All Steps of Signing File, get Certificate and Hacking a Phone
You are having a Symbian phone OS9.x?, and you’re having be in a divided mind as to what to do to install an application without report “certificate error” also hack your phone. Hacking phone is not too hard, but some people don’t know how do you should to begin. This thread will say detail to help you get which you want. Like as my previous blog post about One Step Hacking Tool for all Symbian S60v3 with HelloOX2 v2.03. You must get your certificate is generated with your imei (maybe you don’t need it if your phone belong to Pre-FP1 (or Symbian OS9.1) devices and some of phones FP1 (Symbian OS9.2) with old firmwares).
We will start now!
- Get your certificate at http://cer.opda.cn OPDA is the largest website provide certificate for you. You may have get your certificate as least about some hours and maximum about 1 day. The most importance, you need have a account. and please register new account there.
- After register successful, you log-in and select “My Certificate” and hit “Apply cer”
- The form of applying cer showing, you enter all information’s required, and select “Submit application” button.
- Report your work successful

- Then the system redirect you here automatically. You will see you be in location same this pic below. I think you understand it, Sate of your apply is now applying, and you need wait till it’s available.
- After some hours later, you login again and select “My certificate” and you will see the State has changed to Normal meaning your certificate is available. Click to .cer, .key terms to download them.
Sign applications with your .cer and .key files that you got.
- Go to here meaning you have got your certificate that your need to sign application. Now, you need setup this signed-tool on your PC – Its name is SignSIS-GUI. Download here
- After setup complete, open SignSis and do same below:
- Press button 1 then locate to the path of .cer file
- Press button 2 then locate to the path of .key file
- Press button 3 then locate to the path of application file
- Press SignSiS button – 4
- And a small pop-up window appear with “Successful signed!“
- Enjoy. Now let you transfer the application file signed to your phone and install it.



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