Sony Ericsson T303 Mobile Phone (Shadow Black) Logo
Anonymous Posted on Feb 23, 2013

Sony ericsson t303 displays 'insert sim' although the sim is already in.Any ideas?

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  • Contributor 6 Answers
  • Posted on Feb 23, 2013
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Joined: Feb 23, 2013
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Did you touch the gold connection lines on the back of the card? they are really senitive and your suppose to avoid touching them at all. Try gently cleaning them off and replace it back in your phone...also I know this sounds stupid but make sure the card isn't upside down..lol..

  • Anonymous Feb 23, 2013

    Thanks very much,I did clean them but in fact your last comment wasnot stupid as I did in fact have the sim the wrong way round.lol.thanks again

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5 Related Answers

Chinthakaj

ChinthakaJ

  • 943 Answers
  • Posted on May 12, 2009

SOURCE: insert simm error n my sony ericsson w200i

there could be a issue with the contacts on the phone. the 6 pins where the SIM gets fixed. clean with the tissue & try again. if it's the same .. suggest you take it to a repair shop.

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George Marian Pascale

  • 225 Answers
  • Posted on Nov 28, 2009

SOURCE: Sony Ericsson W880i sim problem, displays insert

Hi! Most probable the sim reader from your phone is detached from the phone`s motherboard. You need to go to a service and check this. Good luck!

Testimonial: "Thanks will do"

dr reed

Paul Reed

  • 379 Answers
  • Posted on Apr 05, 2010

SOURCE: I need an unlock code for my sony ericsson T303



utube.png You-Tube video "N-NC40CPKsA&feature=related" placeholder (do not delete) utube.png



Hope I helped Dr Reed

dr reed

Paul Reed

  • 379 Answers
  • Posted on Apr 05, 2010

SOURCE: unlock the phone

Hope I helped Dr Reed

Anonymous

  • 5081 Answers
  • Posted on May 17, 2010

SOURCE: sony ericson t303 unlock code

As you have not specified which code you need i am hereby giving how to get all of the codes:

NETWORK UNLOCK CODE:

You can unlock it by flashing your mobile if your mobile is a CDMA mobile...
The procedure for flashing your mobile is in the link below
http://hubpages.com/hub/How-to-Flash-your-cell-phone
It has an video explanation.

If your mobile is not an CDMA mobile , you can get the network unlock code(NUC) by just contacting the current network provider customer caredepartment.It is free of cost.

Therestrictioncodecan be got from your old service provider..This restriction code iskeptto prevent someone who stole themobile from using it withanotherprovider...

They will have a security check done with your date of birth etc..to verify whether you are the exact owner of the phone..

After that they will provide you the restriction code to unlock it and use it with another service provider..

It is all free of cost donot pay anyone for this seeing some advertisement over internet . That is all fake ads.

The above proceudre works and you can verify that by seeing the rating of an happy customer here..
http://www.fixya.com/support/t4035818-need_unlock_nokia5130c_2_use

PUK CODE:

PUK code can be given only by your service provider which is specific for each and every mobile number.
Contact your sim customer care department over phone. Its free of cost to get the pin or puk no. If you cant contact through your phone get some other phone and contact them.
Go to the nearest service outlet of your service provider they can also help you.
There is no other go than the above procedure only your service provider cangive it nobody else in this world nor any software.
Go to the below link and you can confirm that the above procedure works and there is a testimonial given by the customer too. http://www.fixya.com/support/t3582685-phome_lg_ke670_put_security_code_phone


PIN CODE:

HI If you are asking for pin contact your service provider , he will give you a default pin .

If you try pin more than few predefined no of times your phone will ask PUK code which can also be given only by your service provider which is specific for each and every mobile number . Do not try PUK(new pin code) code many times or else your sim will be blocked and you will need a new sim.

Contact your sim customer care department over phone. Its free of cost to get the pin or puk no.

Go to the nearest service outlet of your service provider they can also help you.

There is no other go than the above procedure only your service provider can give it nobody else in this world nor any software.

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How do I enter unlock code?

  1. For the unlocking of a locked Sony Ericsson no sim card is required.
  2. Turn on the handset. Display will indicate “Insert SIM.”
  3. Press the left Arrow (<) button.
  4. Press the star (*) button twice.
  5. Press the left Arrow (<) button again.
  6. You will briefly see one of the following messages listed on devices display: “Personalized with MNC2” or “Personalized with MNC3”.
  7. Press OK
  8. The display will indicate “Network” and a picture of a closed lock.
  9. Press Select.
  10. The display will indicate “Unlock (Net) 5” and “NCK:”
  11. Now enter your 16 digit NCK Code.
  12. Phone should now be unlocked.
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