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Steps To Procure Certificate And Key For Signing Symbian Application

In one of my previous post, i wrote about how to install unsigned applications on symbian (s60v5) mobile phone (Nokia 5230, 5233, 5800, N95, etc). I explained 2 ways of hacking our phone to install unsigned applications by either paying for the HelloOX2 hack or getting key and certificate manually. What i didn’t mention and wasn’t clear about was the topic of “Procurement of certificate and key” for your mobile phone. In this post i am going to explain the procedure to get a certificate and key for your mobile phone.

Before detailing the process, please note that this procedure involves submission of your mobile’s IMEI number. Moreover, there is no method other than this to get hold of certificate and key. So submit the IMEI (Can be accessed by dialing *#06# on your mobile phone) details at your own discretion. Moving on, follow the simple steps given below to get hold of certificate and key unique to your mobile phone :

  1. Create an account at OPDA (Click the link for English version).
  2. Now login to your account and click on “Apply Cer”.
  3. Fill in the asked details (carefully submit IMEI details) and click on “Submit Application”.
  4. Thats it! Now under “My Certificate” tab, a pending status will be shown. So keep checking your account to see if certificate and key have been received or not. It took 3 hours for me to receive certificate and key, however it is advised to wait at least a day in case you don’t receive file within hours.

Now after acquiring certificate and key for your follow the steps given in the below mentioned post to sign applications for your symbian (s60v5) phone and get the most out of your internet mobile phone!

Install Unsigned Applications On Nokia S60v5 Phones


  1. hiiii i m using nokia 5230’….nd when i m install any software…then not install nd showing.expife certificate…..plzzzz help me…..

  2. Sir isme maine pichhle 1month se registered hun phir v aaj tak mujhe mera certificate & key nhi mila hai plzzzz koi latest trick btaoo na koi v trick kaam nhi kar rha hai plzz help me thanxxx once again

  3. Its not working for me plz tell me another symbian hacking tricks. I’m using n5233 my email id plz help me

    Thanxxx in advance

  4. i have tried lot of times to register myself, i am not able to register. i type a username and password, then login and it keeps on saying invalid user or password

  5. Try again in a different browser, chrome or IE. If opda still gives error then try this website s60certkey.com

    And NEVER EVER disclose IMEI of your mobile in any forum, blog, website, etc. It’s not recommended.

  6. thanks a lot for ure help,but wen i tried to register at opda it keeps bringing blank fields even after filling it.pls i need it urgently,pls can u help me.my pone,is e63 imei

  7. hey dude each time i try to install applications like.ttpod,core player,hellox etc,on my e63 it tells me cert error,constrained by cert,etc,what can i do?pls help

  8. hi,
    i have applied for my .cer and .key in opda,i have gone through mycertificates and my status is normal but i cannot download .cer and .key files .why is it so..please help me…is there any site other than opda…

  9. Hi
    i bought nokia 5233 .and i installed lot of application on it .but that time i don’t know exactly that i face this problem .problem is that when i install helloox2 or free signer then it show me on mobile screen that certificate expired.i got cer and key .but it still does not hack .please tell me some tips bro.i will be thankfull to you .

  10. Please read the above article to know about .cer and .key. And OPDA is facing some problem these days. I’ll suggest you to wait, it should not take more than a week at most.

  11. whats .cer and .key i applyed it on cer but still no its in applying process…..will it take hours,days or month to get it???

  12. do you know anothier way to hack it without paying to any site???? and if i hack my phone then will the warranty end of ma mobile???

  13. There is no such thing as danger. Chances of your IMEI are very very very low. And as a matter of fact there haven’t been any reports of misuse. Make sure you don’t share your IMEI publically.

  14. hey!! its been 7 days but opda is still in appying state!! what do i do??? any other way to get cert or key?? help plzzz

  15. hi dude ,, i applied for a certi , ts more than 48 hrs and dint acquire it yet ,, its still in applying state … pls help


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