Question about Cell Phones
I tried to put my SIM card from my AT&T GoPhone into the blackjack cell phone and it says its not correct type of SIM card and to get a readable card or unlock the phone using a password. i did not buy the blackjack 2 phone brand new.
Posted by Anonymous on
I think your Samsung Blackjack is locked with some particular network.You need to unlock it to use other networks.To unlock you can approach Theunlockarena.com and specify the country,locked network.Based on the availability you can get the unlcok code along with free instructions.Once unlocked you can swap networks.
Posted on Nov 20, 2013
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Posted on Jan 02, 2017
SOURCE: SIM UNLOCK CODE
*2767*688# not working with my E900 ,
Error = Incorrect entry
may be it worked on ur cell not mine ... anything updated about rest your SIM lock ? :(
Posted on May 24, 2008
hello there....well its quite simple...there is nothing wrong with your phone ...its your SIM... if it is asking for a PUK (Personal Unblocking Key) code...call your subscriber and ask them for PUK code,entering this code will reset your sim
If the error message is saying sim damaged call them and ask for a "sim replacement" you will get a new sim while you will retain the same number ,however you will lose the phone numbers and other data stored in sim,this can be free but it depends on the company and how 'customer friendly they are
Hope this help
Posted on Aug 06, 2008
hello, hearing your story I can only say that your was not unlocked or can't be unlocked depends if for example was it an offer?
Or they did not have the unlocking program for the phone
Try another repair shop
have a nice weekend
Posted on Sep 12, 2009
This problem arises sometimes because the mobile is unable to read the SIM. May be you should fold a small piece of paper in the same size of the SIM and keep it on top of the SIM and then insert the Battery. I think this will solve your problem.
Posted on Oct 12, 2010
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