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A try to reset my samsung galaxy s3 phone,and after that it showed that my IMEI is invalid..how can i repair it?

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This page talks about how to reset it:
How to Change Restore IMEI no on Android phones and tablets


In summary:
* Your phone's internal IMEI probably got reset/corrupted, and the phone can't read it
* Your IMEI should still be available somewhere - perhaps a stamp on the phone, or a sticker on the original box?
* Go into the phone settings and re-enter your IMEI code.

If you simply can't find your old IMEI code, you should be able to phone your carrier and ask them. They have a record of your SIM card and the phone that connects with it, and ought to be able to read it back to you.

Posted on May 17, 2014

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Posted on Jan 02, 2017

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SOURCE: Need to reset samsung galaxy s2 phone. Can't

If you want to try a simple solution, Go to Settings, Wireless and Networks, then Turn on "Airplane Mode" wait until you see an airplane on the top status bar of your phone... then Turn OFF "Airplane mode"
If that doesn't work, and you want to reset your phone, take it to the place you bought it or any place that is on your carrier.

Posted on May 18, 2011

Selie Visa
  • 96 Answers

SOURCE: No imei in my samsung galaxy s

Remove battery, your IMEI number can be seen written on your phone. Or type *#06# to reveal your Samsung IMEI number.

Posted on Dec 11, 2011

  • 8 Answers

SOURCE: unlock code for samsung galaxy s3 i747

Sometimes there is not a universal unlocking codes on mobile phones.

Even though you have all of the specific details of the model, does not guarantee that it will unlock it if you get one through just general inquiry.

Best bet is to go to the actual manufacturer and ask for an unlock
code. They might charge a fee for their services as most of them do now. Some market stalls offer quick and inexpensive unlocking services but not all can unlock every type or make of mobile phone.

I wouldn't risk asking the general public, as you could be lead astray and be permanently locked out if they give an incorrect code. It can generally cost around 15 to 25 to have a phone unlocked if you go the manufacturer in my own experiences, but worth it if you paid a lot money for it.

Posted on Jul 04, 2012

  • 1 Answer

SOURCE: how to brighten the screen during internet usage with galaxy s3

While in browser, open settings (bottom left button) and change display setting. The s3 has separate display settings for browser and general phone. Hope this helps.

Posted on Jul 08, 2012

adentzack
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SOURCE: My Samsung Galaxy S3 Showing Downloading Do not turn off target !! What I had to do?

yes you can remove batt.

Posted on Aug 27, 2012

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-<()>--<()>--<()>--<()>--<()>--<()>--<()>-
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