How to Fix Expired Certificate Error

I’m receiving a lot of comments and mails about this problem. Solving Expired Certificate error is very easy

Open Menu >Settings

In settings Find Date & Time

Set your Year to “2006″. Because some applications are certificated for 2005-2006. After setting your Year to 2006 install the application who gives certificate error

Finish your installation and you can set your current date back:)

34 Responses to “How to Fix Expired Certificate Error”


  1. 1 Balu AUSTRALIA

    Thanks For Info…

  2. 2 ecn GREECE

    You can also use SISWare to see the exact validity period of a certificate or just resign it with your own certificate.

  3. 3 Diego Marcell BRAZIL

    Bem pensando !

  4. 4 Aleksey Trufanov UKRAINE

    So simple! Thanks a lot!

  5. 5 Denis

    Doesnt work for my N95 8GB!can someone help please because i have been trying to solve this for a pretty long time

  6. 6 San INDIA

    Same as Denis…. Do something Plz…

  7. 7 bappy SAUDI ARABIA

    hay its not warking in my phone

  8. 8 porto LEBANON

    if it doesnt work, try to view details of the Sis.file which to be installed, to get specific date & time. Use them on phone…and run sis

  9. 9 starfilled UNITED STATES

    Worked great on my N82! Thanks. :)

  10. 10 H2K_KinG UNITED KINGDOM

    thank you for you Infomation it so use full

  11. 11 EXA INDONESIA

    hey is not work at nokia 5700… WHY??

  12. 12 alireza mohammadi

    I have a nokia n73 version 3.0638.0.0.1 30-10-2006 .Iwant to update my phone,s software freely and when Iwant to install a new software ,it warns unable to checking certificate.check settigs. please help me.

  13. 13 efecan TURKEY

    doesn’t work for my e60

  14. 14 Euro852 UNITED STATES

    Tried it on other applications on this site and still does not work! Help please! I have a N82.

  15. 15 sooty UNITED KINGDOM

    still not working on my N95 8gb. can anyone help? i hate it when such great functionality like what’s available on this phone is let down by crap like this…

  16. 16 Nilanjan Das NORWAY

    Its not working in my E61. After changing the year to 2006 the error message while installing is ” certificate may have expired and there is error in your date setting”. Also i ve not able to instal adobe reader as the .sis file is not supported. Tried with mobile signer but as the file is not getting copied am unable to load the sis file…also unable to download 3gp files as it is getting downloaded as text document…pls help, regards,

  17. 17 Arvic AUSTRALIA

    You can also try to change the month.
    I changed mine (N73 ME) into June 2007 and the expiry message did not appear anymore.

  18. 18 Gurkha SPAIN

    It works for my N95 8GB if I change to 2007 instead of 2006

  19. 19 Rusik UNITED STATES

    Just check the date of your file was modified, for example if it was 4/12/2006 change date in ur phone on 4/15/2006 and it will work!!!

  20. 20 WorldSense NORWAY

    for those who have N95 ,and if u have already a certificate and it expierd dont worry , sign your new application with it , and when you want to install it on mobile ,you can just go the the CLOCK and go to change the date back to same period your certificate was vaild. There you go , install your application with no problem.

  21. 21 mike

    works perfectly with my n93i. thanks. ive had this problem with my previous n80 and e61

  22. 22 loki INDIA

    it really works thanx alot

  23. 23 Kid NORWAY

    I have a nokia 6120c. I want to install fexplorer, but “certificate error”. Please help me !!!

  24. 24 Kim BRUNEI DARUSSALAM

    If me download turbo msn there are update error n say install base package first..

  25. 25 Sunny

    I have an N82 and was having the same problem. I called Nokia support to register my phone and also get some help with the discussed issue. I was told that registering the phone should fix the issue and it did. Interesting huh?!

  26. 26 Jmo UNITED KINGDOM

    Same probs “Certificate error. Please contact etc etc…” on N95 8GB.
    Had probs with other progs similar. Tried various hacks but no use…
    Why do some progs not need certs and others do? Makes no sense…!

  27. 27 mohamed saleh

    works perfectly

    thank u

  28. 28 james PHILIPPINES

    ohh my gosh! it works for my n95…

    i am so thankful1!! ive changed it to 2007

  29. 29 Happy Chappie UNITED KINGDOM

    Thanks for the tip on Expired Certificate. It was very useful

  30. 30 Ivan

    HEY when I wanna install any .sis file on my mobile it says CERTIFICATE ERROR. My phone is sponsored By VODAFONE does this have anything to do with this ?

    PS.PLEASE REPLY

  31. 31 Murtaza OMAN

    Nice, but there is also another way around. .Go to “Settings” > “App. mgr.” or “Installations” > “App. mgr.” then Select “Option” > “Configuration” and Change “Software installation” from “Signed only” to “All”. Thats it. It is easy but beware only install softwares you’re sure about.

  32. 32 Zaheer SRI LANKA

    Thanks Rusik Its working perfectly in my N73 ME.This was big problem for me last few months.

  33. 33 maulin INDIA

    thaks dear its working on n95

  34. 34 pritesh mohan

    Heyy Buddy it works with my nokia E50
    Great help for me
    Thanks
    pritesh.mohan@rediff.com
    If Anybody needs help,
    I will help him or her by the way
    thanks again


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