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Solution to Certificate Error Contact The Application Supplier

Solution to Certificate Error Contact The Application Supplier problem in mobile phones like Nokia E63, E71, E72, N8, 5800, 5233, X6 and all mobile models of Nokia.

You might get the following error on Nokia mobile phones when you try to install a game, software, apps, themes, etc…

Certificate Error
Contact The Application Supplier

Solution to this kind of error is explained below, follow the simple steps and solve this problem easily -

Solution to Certificate Error in Nokia Mobiles:

  • First find Application manager in your mobile phone as follows.
  • Go to Tools >> Setting >> Applications >> Application manager
  • Then you will find some options like software installation, Online certificate check, default web address.
  • You have to change these setting as follows -
  • Change software installation to ALL.
  • Change Onlline certic check to OFF.
  • That’s all, now all your software’s should be installed in your mobile phone without any problem or error.

8 Comments

  1. niel · February 9, 2011

    it did not work on my e71 tnks

  2. wasif · March 8, 2011

    thank

  3. vivek · March 17, 2011

    it did not work on my x6….plz give me any other solution plzzzzzz

  4. yassine · April 8, 2011

    it did not work on my c7 10x

  5. jitrajput · May 13, 2011

    “Unable to install a protected application from an unknown supplier” error pls help

  6. john · May 28, 2011

    This solution is not working. Please update your post so as not to mislead everybody about this false solution. There are other forums that might have complete discussions.

  7. jj · May 30, 2011

    it’s not working for my e72 please help to fix this

  8. neelkamal · July 5, 2011

    sir i have nokia n8 ….. i have already truned off ( online certificate chek ) than also many apps and games are not installing on my device … like helloox2 signing ,xplore …pls sir help me .. i m toching your feet

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