Question about T-Mobile Sidekick II

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Sidekick II won't read sim card

My Sidekick II will not read my sim card, but it works in other phones. Is there a way to fix this? Help Please!

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  • 7 more comments 
  • goldeykick Apr 13, 2008

    it says code net 7 and code sim 8

  • drob994 Apr 15, 2008

    My sidekick 2 won't read my sim card either. i have n clue why. does anyone know how to fix it? well actually its that big of a deal. i am getting a sidekick slide next week.

  • rodney201 Apr 29, 2008

    it wont take any sim card but the sim cards work in other phones y

  • Larry365 Nov 07, 2008

    Has Hardware problems and a code net7

  • Anonymous Nov 24, 2008

    i put in my simcard and it says "simcard installed" it resets and then nothing. what do i do??

  • Sami33 Nov 27, 2008

    it just won't read it. simple. works in my other phones.

  • Anonymous Feb 22, 2009

    it has hardware problems

  • Anonymous Mar 16, 2009

    so my sim card works in o ther t-mobile phoness but my sidekick 2 wont read it. what can i do for my phone to read my sim card

  • trixkid43 May 11, 2010

    My Sidekick 2 givin me da same hardware problem



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Yeah, I can help. On the sidekick 08 when placing the card make sure you place the card with the cut edge facing the battery. This phone work with the sim card facing the opposite way. Hope this help:)

Posted on Feb 20, 2009


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1 Answer

How do You unlock a sidekick 08?

Your Sidekick operates on a GSM cellular network. Your Boost SIM card (and Boost Mobile phones) operate on an iDEN cellular system. You cannot use a Boost SIM card in a Sidekick. (FYI - SIM cards cannot be unlocked. Only cellphones phones can be unlocked.)

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In order to hard reset the sidekick u have to take the battery cover off when it is off press and hold the {R} letter and take the battery out while still holding {R}, count 4 seconds and place the battery back into the phone while still holding {R}. If this was done right then right then you should see the phone restarting and when it is fully powered on then u should see that the phone lock is completely removed and the phone is not blocked at all

This information was provided by Castro iF there is any thing else u need help with please don't hesitate to email me at

Dec 19, 2008 | T-Mobile Sidekick II

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try seeing if the sim card is put in right.
mine did the same when i got it

Jul 02, 2008 | T-Mobile Sidekick II

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try putting it in a different way.

or maybe the sim card is damaged

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I can't find where to locate the sim card for a sidekick II mobile, can you help?

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Wont read SIM card

Try to do a hard reset.

Flip open screen half way put pin or pen in the tiny hole and hold it in till it vibrate and turns off and on..

I hope it works

Nov 12, 2007 | T-Mobile Sidekick II

1 Answer


you can try to fold a small peice of paper like 3 times and slide it under the battery, u must use a t6 or t7 screw driver to take apart, but it is a temporary fix

May 02, 2007 | T-Mobile Sidekick II

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