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How To Get Our Own OPDA Developer Certificate And Key

In this post i would like to tell you how to get an OPDA developer certificate for our symbian mobile from opda. First let me tell you how it can be useful to us? This OPDA certificate and key file lets us to sign unsigned applications.

Okay! Coming to the procedure, opda is a Chinese site, that’s why most of the people feel difficult to get a certificate from there. I am going to give you step by step procedure to how to register and how to apply for the certificate and key with screenshots. If the image view is not clear then click on the image to zoom.

Step 1:- Register an account at OPDA from here.

An agreement forum will open in china, just scroll down and just click on the left button as shown in the                                 following screen shot bellow.

how to get opda certificate 1 300x187 How To Get Our Own OPDA Developer Certificate And Key

Step 2:- Here the actual registration from will appear as shown in the screenshot bellow.

Fill it as in the screenshot bellow.

how to get opda certificate 2 300x187 How To Get Our Own OPDA Developer Certificate And Key

Step 3:- After the registration we need to apply for our certificate and key, apply  from here.
Apply for them as shown in the screenshot bellow.

how to get opda certificate 3 300x187 How To Get Our Own OPDA Developer Certificate And Key

Step 4:- After few hours, check here for your certificate and key file.
If nothing appears, it means it is in progress.

how to get opda certificate 4 300x187 How To Get Our Own OPDA Developer Certificate And Key

They took 2 days for my certificate and key files.
Download them and sign the unsigned files with your own.
To sign the applications we need a signer, you can get it form here.

You can use any key in the key filed of SIGNSIS- GUI.

If you encounter any problem, just have a look at the comments bellow. You may get some information to solve your problem right now.

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  1. aly says:

    http://mynokiamobile.org/wp-content/uploads/2009/05/how-to-get-opda-certificate-3.jpg

    i cant go further aftr this stp.. telme wat to do ..n chinese th says wrong vaidation id..

  2. sony says:

    Aly after that step wait for 2 days and then go to the address in step 4. You can get your certificate and key files, c screenshot 4.

  3. aly says:

    ahan !
    i was stuckd on tht email thingi but after googling i got to know that v hv to submit 9 digits starting with 13 :p its submitted successfully last nyt. . nd thanks alot fr ur reply sony !

  4. kzmoks says:

    i stuck after step 2 before step 3
    plz help me
    and i can’t understand…

    http://www.opda.net.cn/logging.php?action=login

    • sony says:

      Kzmoks, it seems to be you are not loged in, so login first and then follow from step 3. In step 3 after clicking on “here”, you need to enter your IMEI no in the first box and then enter 13 followed by any (preferably last ) 9 digits of your mobile number. After that follow step 4.
      If you are facing any login problem, just leave a comment here.
      All The Best Kzmoks!

  5. MrMurder says:

    Please help me anybody! After doing everything, as soon as I want to enter my IMEI and 11 numbers, it returns an error message – Duplicate IMEI detected. I didn’t enter yet the IMEI, maybe somebody had stolen my IMEI. I can’t do anything, please help me, where to get certificate, or how to make them give me another one!

    Thanks in advance!!!

  6. kzmoks says:

    plz sony…
    i still cant login
    i cant change webpage into english

  7. Shoeb says:

    Thanks sony, I got my certificate after 2 days & now I can sign my unsigned applications. Thank 4 the nice detialed instructions once again

  8. justin (skype ID drummer0608) feel free to add says:

    I am in the process of getting my cert I am a blind computer user how eexactly will I download it when the to links appear?

  9. TJ says:

    Now to obtain an OPDA certificate it takes more than 24 hours. I’ve been waiting since yesterday and i still couldn’t download the cert or the key. Seem like there are lot of members registered and to process all of this IMEI’s it takes much more time. I had two accounts but one ran out of OPA’s. There i could download 4 certs and 4 key files and after that it’s not possible to download even a single cert or key file due to lack of OPA points. What shall i do regarding this issue? Does anybody know how to increase our OPA points without posting anything in that site??

    What is it all about that thunder application which they provide us free of charge to download certs?? Have you got any idea about it?? Is there an any other site where we can get this crucial certificate files??

    Where else can i get 17 cap certificates??

    Thank you!

  10. justin (skype ID drummer0608) feel free to add says:

    its coming up on the third day sence I have registered and applied for my cert, should I get it soon… I do not think it should take this long

  11. iS says:

    Hi, Sony. Please, Mobile No .. what is that mean? Like my phone number or last 9 digits from IMEI? Please help, thank you ;)

  12. mpzmpz says:

    I have applied on 17th of june and still nothing!!!! It’s been more than 3 days now. ….the bloody thing is still red. is someone else experiencing the same ?

  13. mpzmpz says:

    …or is there any other way to get the cert from ?

  14. Jack says:

    Thanks allot man , good tutorial , damn good tutorial :)

  15. lost says:

    i dont know whats going on either, im having the exact same problem its been almost 2 days for me… someone help???

  16. mlm says:

    I have been waiting 4 days so far, status when translated with google says ‘processing’. Is this normal?

  17. Jashan says:

    how do i download it it is completed how to download it from the site plz help

  18. justin (skype ID drummer0608) feel free to add says:

    I have heard that the opda sight cert numbers that have been generated are about 7000 in one night, so we are now down to 10000 certs left so just keeping waitng I hope mine comes soon

  19. justin (skype ID drummer0608) feel free to add says:

    hi guys, I have successfully just gotten my certificate and key files thanks to this great kick-ass tutorial, keep rocking and take care all drop me an email at drummer060891@gmail.com, if help is needed for downloading from the opda sight I will provide if need be thanks

  20. Udayakiran says:

    Hey guys, dont worry… got my cert today after one and half weeks… so it is still working… just have to be patient…
    anyway, i screwed up and used up all my opb before i could download my key… i only have my cert… any suggestions?

  21. rohit says:

    are yaar how to download cet & key.which link we have to click red or green

  22. rohit says:

    i stuck after getting my key and cert file

  23. rohit says:

    IGOT MY CERT &KEY AFTER 4 DAYS TODAY

    NOW HOW TO SIGN UNSIGN APPS

    • sony says:

      Hi Rohit, download the signer application provided in the post, install it on your pc, use unsigned application which you wants to sign, the certificate and key files to sign it. After signing it just transfer the signed file to your mobile using data cable or bluetooth and install from there.

  24. Dan says:

    Hi,

    I have a problem, I have generated my certificate at opda.net.cn, have downloaded my cert but I am unable to download my key… There is no link for my key. How can I get the key as well. Can I request the pair(cert+key) one more time for the same IMEI?

    Thx,
    Dan

  25. mebo says:

    Great tutorial. Got the certificate in 2 days. Thanks a lot!!!

  26. dude says:

    Hi ;
    when ever i try to install the application after signing it from SIGNSIS- GUI it gives some kind of limitation error by certificate .if anyone can help i b very grateful Regards

  27. Mayank says:

    i cant get the certificate i logged out… how to login again to my certificate page ??

  28. Mayank says:

    urs is a decent attempt… thnkful to u dude.

    but
    t it wud pls me if u wud let me knoe… how to login again if i hv formatted my computer..
    i gave my query a day back

  29. New Nokia Owner says:

    Hey Sony, do just gor my certificate and reg key today. Do I istall it onto my pc or transfer it onto my phone and open them there?

    The reg key says something about adding on to my computers registry, will it harm my computer?

    • sony says:

      Hello, New Nokia Owner. Just save them on your PC and you can also transfer them on to your mobile too.
      Basically these files are required to sign any unsigned applications, it can be done on our PC as well as mobile (using mobi signer). To sign we need the unsigned source file and these certificate and key files.

  30. vivek says:

    thanks,
    icould submit the request,
    please tell me how to follow up,
    where is the download link???

  31. vivek says:

    please tell me where to get the key file from??
    will it be included in the rar file which is available for download?

  32. dude says:

    i was installing gdesk after signing it i got error message “unalbe to install certificate constraint ‘ . any possible way

  33. Berat says:

    I registered last Sunday and still no certificate, how long does it take to get the certificate? it says few hours but i am waiting few days and still nothing.

  34. Deep says:

    Hey guyz. I have registered for certificate two days back and i am geting something similar to the 4th picture. Since the chinese font is not installed, i cant verify anything. (All are boxes or some strange symbols). What is the format of certificate file and the size? I am geting links to exe files of 5+MB. Any help….?

  35. rohit says:

    thanks dude
    i signed some apps and all r woking well
    thanks again

  36. Oneil says:

    Hello im having problem with installation… i have signed an undigned app and install it but it did’t show up in the application.. and didn’t work on the file it should open.. anyway it Adode Reader LE.. DId I miss something?

  37. matanglawin says:

    Hi..I already have a link for my cert and key file…but when i downloaded it, it did not download the whole file and stop at 90% i try it in two times but after the 3 times i lost the link and it says that i have 0 OP..what would i supposed to do with that…???

  38. sony says:

    Hello Matanglawin, the key and certificates are allowed to download for a period of time, i have downloaded my files after some days i am also unable to download the files.

  39. matanglawin says:

    tnx for the reply sony.. I learned that each time downloads cer and key gathers 1 OP coin your OP coin to be insufficient separately maybe thats why i cant download anymore form the site…my question is how can i get an OP coin to the site?

  40. Giwin Mathew says:

    Hello i have a nokia 5800 i had got the certificate & key file for my phone in feburary,i had registered at that time but now i lost my certificate & key file due to formatting of microSD card.i now dont rember my old login id or password.now when i try to register it does not create my account,i tried entering another username & email id but still doest get registered. i dobnt know what to do! is it possible for me to request for the certifate of same IMEI? PLS HELP ME SOMEONE FOR GODSAKE!!!!!!!!! my id: giwinmathew@gmail.com

    • sony says:

      Hi Giwin Mathew, they only allow us to download the cer and key files for a period of time and we can’t request for the same IMEI no.

  41. Giwin Mathew says:

    Hello i rember requesting the certificate in FEB 2009 but can i get it from there ? i dont rember my login id . can u create me an account at opda ? someone pls help. THANKS IN ADVANCE .

  42. Giwin Mathew says:

    Hello i tried requesting for my certificate again for nokia 5800.in case i dont get it what should i do pls tell me how to install unsigned apps. i heard that there is a hack to install unsigned apps but will it harm my n5800 or will it void my warranty? pls answer my query? can i get the certificate from somewhere else? THANK YOU

    • sony says:

      Giwin Mathew, We can get a certificate from the people having a publisher ID at symbiansigned.com. Generally these people are the developers.

      We can hack our mobile to install unsigned applications. No damage will occur, if you format or update your mobile then the hack wont work and you need to do it again but there so no guaranty to work(hacking) after the frimware update .

  43. srikanth says:

    Hi, i have applied for opda certificate and it had been processed. i am unable to download it. it is asking for a thunder client to be installed after clicking on the cer or key links. i got it installed it but i was unable to download it please help me. thanks in advance, srikanth.

    • sony says:

      Hi Srikanth, are you sure that your cer and key are developed?

      Have you downloaded ever before. And one more thing is that We don’t need to install any applications on our PC. Explain your problem in detail.

  44. Giwin Mathew says:

    Sony thanks alot !!!!!!!!! Anyways i got a certificate & key much faster than OPDA from another website. i got the certificate within 1hour of registeration. wow the site is cool & process is much easier.

  45. srikanth says:

    hi soni, i am certainly sure that my cer and key had been generated. this is my first download. the links for cer and key are very much appearing in the download section in red colour. when i clicked on key it redirected me to install the thunder client whose name is “webxl_32784.exe” got installed. after opening the thunder client a window appeared in chinese asking for the save location. here clicking on the OK button located at the bottom i got the cer and key files now. just now my problem is solved after long try. thanks for this wonderful resource. I am using I.E 8 and this is the procedure which i followed. further any one who had used thunder may please explain clearly as i am not very good at explaining. i have followed the following link for help on thunder.

    http://www.opda.net.cn/viewthread.php?tid=188102&pid=3149111&page=5&extra=#pid3149111

    thanks
    sri.

    • sony says:

      Hi Sri, by this time i have understood your problem. And we don’t need to install the thunder client, if the certificate and key files are visible to you then it indicates that the cer and key files has been developed for you, so just click on them to get them. No problem with the browser.

  46. srikanth says:

    hi, Mathew could you please mention what sight it was which gave cer and key to you with in 1 hour.
    thanks in advance.

  47. yose 5800 XM says:

    great!!! i have my cert n key in one day!!! thx a lot.. now i want to try the SIGN-SIS…

  48. frank says:

    i logged out now i cant get back in,tried logging in but cant just get 4 boxes appear with alot of nonsense,under the top box in english it says register

    • sony says:

      Hi! Frank, i have already posted a solution (Login LINK) to this problem in my previous comment here, just read the comments above.

  49. frank says:

    done that but doesnt seem to work,i am having so much problem with this,thought i could start over againh but not giving me the option

  50. frank says:

    from what i can gather its sending me to a page with questions for memorable info and sign in.

  51. tmbk says:

    Hi:
    I was downloading the files but only got the Cert file. It would not download the Key file. It said: execeeded something. tried using the cert file but I receive an error when installing the software. I am using Ffree Signer installed on my phone. Any help?

  52. tarun says:

    thankz a ton it worked for me
    i got my certificate and key file after 2days for my n81
    remember use ie only
    this post rockzzzzzzzzzzzzzz

  53. SuM1 hElP mE PLZZ..!!! says:

    dear Sony,
    i read everything…bt still i didnt understood……
    i m stuck on d 3rd step…..plz help me…n plz give me an example…
    thanxx in advane…!! :)

  54. sony says:

    Hi SuM, just enter IMEI NO in the first box and in the second box enter 13 followed by 9 random digits like 13678654897

  55. SuM1 hElP mE PLZZ..!!! says:

    ohk..ill try
    thannxx,,,!!

  56. Wajahat says:

    Thanks Very Much man!!!

    It is great!!!!!! it took half day for my certificate!

    Once Again thanks very much!

  57. Shawn says:

    Easy to follow instructions, worked great and I received my certificate overnight. Thanks!

  58. David says:

    What does this mean?
    “Forum direct downloading each time downloads cer and key gathers 1 OP coin separately Your OP coin is insufficient” I cannot download the cer and the key.
    Any advice will be appreciated.

  59. toxxkwow says:

    yup, thanks a lot finally i got it…lets try to sign…

  60. Jnr says:

    Hey Sony Please Help I think Opda wont let me download cert & key what do I do???????????Your help would be greatly appreciated…

  61. Scorpion says:

    Hi there…really useful information provided by your site…
    I seem to have another problem…My IMEI is recognized, but I keep getting this message : “Wrong validation Email!”

    Any suggestions????

  62. flopjoke says:

    Hey.. great tutorial man.. thanks a lot!

    I got them in less than a day.. but there’s one prob. I downloaded the certificate, but the key isn’t downloading. It’s just loading .. I need the key for the sign!.bat app right? Do I have to do this again or wait for it to start download? I’ve been waiting since a long time.. it’s still loading.

  63. Sushant - malkowal, garhshankar says:

    Excellent site brother….I got my certificate within 4 hours…Top notch blog…Keep up the good work..bookmarked your site…

  64. rigosj says:

    Hi flopjoke.

    I have got the exact same message. “Wrong validation Email!”
    I have tried different emails but still not working.
    Any idea?

  65. Zsolt says:

    Hi, If I have logged out of the site, waiting for the cert how do I get to the screen where I can download the key and the cert?
    Thanks

  66. Jnr says:

    SUp Sony, i got my cert & key…stupid question how do i sign an application….lol…Sorry man but Im new to this, your understanding is appreciated…Cheers for hitting me back to…

  67. Exo says:

    I got ma certificate in 3 days but thanx a lot man…….

  68. Adam says:

    will this certificate work when trying to sing apps for the Samsung Omnia HD (i8910)?? please help!

  69. Adam says:

    thanks sony! as soon as i get the certificate i will definitely try it and let everyone know!

  70. sri ram says:

    hi sony,
    This is sriram. I have registered and logged in to OPDA site. But when I apply for the certificate, I filled-in the 15-digit IMEI number, mobile model and my phone number as well. But when I submit my application I am getting a message “THE PHONE NUMBER IS WRONG. Please help me cause right now I am on the system. Please do the needful and an early reply will be appreciated

    Thanx in adv.

  71. sony says:

    Hello everyone if you are getting any errors just use this post to get your certificate and key for temporary usage, i ll be back in few days as i have sem exams. And te link is http://mynokiamobile.org/2009/07/05/how-to-get-a-certificate-and-key-files-for-nokia-s60-mobiles-in-hours/

  72. Manuel says:

    Thanks a lot!!!
    Just follow the instructions and that’s it…

  73. Avijit says:

    Register to opda and apply cert &key. Then download. If you have problem to sign hellox, upload it to the server, then download signed hellox. And hack your cell.

  74. imran says:

    thanxxxxx thanxxx alot

  75. you are right dear Avijit.

  76. Faizy says:

    Hatss OFF too you Buddy…great tutorial and explanation…Workzz perfectly on ma 5800..thx a ton….keep rocking

  77. raj says:

    hi i got my certifiacate but evrything says ur certificaticate is expired . please help sony. im in real need of this

  78. raj says:

    i also downloaded all the softwares i needed from the same site. in fact they were all thr which i wanted. im absolutely speechless in thanking you

  79. raza says:

    hi,
    hey my free singer is giving error tht ur expired cetifiacate so which date i have to set in my cell phone

    • sony says:

      download PC signer and resign this mobile signer with your OPDA certificate and install it on your mobile. PC signer also provided on our site.

  80. ahmed says:

    i dont know my key file password
    help plz

  81. nazeer says:

    everybody saying how 2 get ur opda and were 2 get. but nobody saying how 2 install 2 ur device.i got my cer. & key. iam tring 2 install threw mobile application. its not responding. normally it say either cer.erore or not compitable with device.here nothing.trying 2 install helloox its 3rd stage running without an end.enybody explain and help me in a single step.

  82. sameer says:

    very very thanks thanks thanks thanks

  83. benalvino says:

    guys you can still download it. All you have to do is to use ucweb or opera mobile on your fone… the windows browser will always say error.

  84. ionutz says:

    thank’s you are the best

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