Install Deleted Authority/Security Certificate on Nokia Phones

2 min read
Sometimes after flashing or updating the Nokia phones’ software, we lost the security certificates used for code-signing in JAVA applications. Without these certificates, the applications would not work. They give the following error “certificate not on phone or SIM”. After working for a long time, finally I got the perfect 100% solution for these problems.
Read also

 To solve this problem, follow the below steps.

  1. First, download the Oxicube Phone Manager from here
  2. Now download the authority certificates for your Nokia phone from here
  3. Install Oxicube and connect your phone
  4. Now open Oxicube and navigate to c:hiddenfolder>cerficates.
  5. Then rightclick=>new=>file and open AuthDeleg.db from the downloaded folder.
  6. After that navigate to c:hiddenfolders>certificate>auth and delete all data from this folder.
  7. Now right click=>new=>file and select all data in auth folder from downloaded folder.
  8. All Done Now.
  9. Now exit Oxicube, Switch-off and switch on your phone.
  10. You can see the installed certificates by going to menu>Setting>security>Authority Certificates your phone.
  11. Enjoy..

Read also: WhatsApp Will Now Let You Delete Sent Messages, But There is A Catch

You can also watch this video to easily install the certificates.

If you need certificates for other phones like Nokia 6303, C3 etc then please ask in comments.

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  1. satkartar singh

    February 3, 2014 at 9:07 pm

    Please give nokia C3 certificates. how to install them because oxycube does not work with it


  2. satkartar singh

    February 3, 2014 at 9:07 pm

    This comment has been removed by a blog administrator.


  3. Jain

    February 3, 2014 at 9:10 pm

    Sorry to say, but there is no solution(in my knowledge) for these phones. I am currently working on it and hope will come up with a good solution.


  4. omegauz

    February 21, 2014 at 9:39 pm

    configurations nokia c3?


  5. Jain

    February 21, 2014 at 9:44 pm

    What type of configurations you are asking for? Please be specific, I will surely help you out. 🙂


  6. Anonymous

    August 13, 2014 at 8:17 pm

    Please i lost my nokia 6303c authority and user certificate


  7. Geofrey Subet

    January 30, 2016 at 7:19 pm

    I restored my Nokia C3, but the Authority certificates have been deleted how can i get them



    January 30, 2016 at 7:22 pm

    I probably have the certificates for Nokia C3, but don't remember the actual process for restoring the same right now. I need some time for that. You can email me @ [email protected].


  9. prosper noah

    April 12, 2016 at 10:57 pm

    Hey bro are you trying to get us to like a page and you get paid? Please be specific and give a valid url for the oxicube download please



    April 12, 2016 at 11:01 pm

    Sorry for the issue you have faced. There were some issue with the links, and the same have been updated. But if someone is trying to help you out, please don't blame them like that. 🙂


  11. Fawad Sahito

    May 16, 2016 at 12:35 pm

    I have My Nokia X2,02 but internet browser can't opning
    Nokia online CA how Download



    May 16, 2016 at 12:37 pm

    Can you please tell in brief, what problem exactly you are facing? If it's related to certificates, did you try installing the certificates as mentioned in the article? Please revert, I'll love to help you out.


  13. Jellaxy

    July 13, 2016 at 9:46 am

    does these certificates work on asha 305?



    July 13, 2016 at 9:47 am

    No. You need different certificates for Nokia Asha 305.


  15. divya chauhan

    October 13, 2016 at 8:17 am

    I accidentally deleted my certificate of Nokia asha 501 and due to this my whatsapp is not working it is unable to registet my phone no plz help



    October 13, 2016 at 8:19 am

    Hi Divya. Did you try the above mentioned steps?


  17. Anonymous

    December 1, 2016 at 9:49 pm

    i want auth certificates for nokia 6303 i classic



    December 1, 2016 at 10:04 pm

    Added the link in the post, to download Nokia 6303 certificates. Post the results.



    December 4, 2016 at 6:31 pm

    whats app is not working on my nokia 308



    December 4, 2016 at 6:31 pm

    what is the authority certificates are expired and not working
    none of the apps in my phone is working after hard reset



    December 4, 2016 at 6:39 pm

    Please try re-installing the authority certificates on your phone as mentioned above in the article.


  22. Arda Aydın

    January 10, 2017 at 11:31 pm

    I have that problem too. My phone fell and when I did reopen it had 66,5 MB free. All system data (includes web) was removed. When I do Try to connect to a site from menu(only HomePage is available.)it says "Secure Connection not Available" I did try to send myself a webpage link from SMS, phone crashed and restarded. I did got my APN from my operator so no problem about them.



    January 10, 2017 at 11:37 pm

    Hey Arda Aydin. Please let me know which phone you are using. I would love to help you.


  24. Sowmya

    February 25, 2017 at 11:38 am

    Need authority certificate fot nokia asha 310 for signing in watsapp


    • Vishal Jain

      February 25, 2017 at 11:53 am

      There is a link to the certificate download page in the article. There you can find all certificates.


  25. woh

    April 6, 2017 at 3:31 pm

    my phone can not open some of apps includng whattsap,facebook,tweet,brose wape when i open them jst say certificate not in phone/not in sim….nokia asha 306


    • Vishal Jain

      April 6, 2017 at 9:04 pm

      Hey, sorry to say but I’m still on the way to find a solution for Nokia Asha 306. Stay connected.


  26. chandu

    April 20, 2017 at 10:57 am

    The nokia browsers are not opening.i just want to update my phone with myself.i hope u send for this number *removed* as a massege.


  27. chandu

    April 20, 2017 at 11:01 am

    Send the link for update my nokia asha 206 with myself.even the homepage also isn’t responding plz help to do that.


  28. Gardellade57

    May 31, 2017 at 6:35 pm

    Does the steps also work for Nokia Asha 202?


  29. amit

    October 4, 2017 at 4:12 pm

    i am using nokia asha 501.
    unable to install / run whatsapp & coonect to internet
    because it is showing certificates expired.
    requesting you to help.


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