Question about RIM BlackBerry Curve 8310 Smartphone

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Blackberry curve 8310 says invalid sim

Phone displays invalid sim. did not open the phone. all the sudden cannot make calls. when make a call it says emergency calls only

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How setting invalid sim ? cell phone setting or software plz ask me reason

Posted on Nov 16, 2012

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  • 53 Answers

Hi,

it means your BlackBerry is network locked. You need to unlock your blackberry 8310.

gsmwong

Posted on May 16, 2010

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Try powering down your device, taking out the sim card and giving the sim and contacts a clean

Posted on Aug 16, 2009

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8 Answers

Looking for unlock codes for 8310 cruve blackberry phone


There can be many ways to Unlock your phone.As far as i know unlocking by codes is the simple and safe way.You will need the unique MEP Code for your Blackberry CURVE 8310 and to get it you can use a website with service for Blackberry unlocking .so you can use a website to Unlock your Blackberry CURVE 8310 online instantly - they are mostly using cables to unlock it and the price is higher then on unlocking websites but the result is the same: SIM free Blackberry.

Oct 24, 2010 | RIM BlackBerry Curve 8310 Smartphone

1 Answer

Invalid sim


1. (easyer way) When I got my Blackberry, I had to put it in a couple of times for it to work.

2. Buy a new sim card.
If this does not work, then check to see if it is unlocked.

Feb 04, 2010 | RIM BlackBerry Curve 8310 Smartphone

1 Answer

When I put my sim card in the phone is says invalid sim card. What do i do to fix this?


Unfortunately you will need to go the AT&T store or call AT&T customer service, your SIM card got corrupt and you will need to have it replaced, good news at least it wont cost you anything.

Apr 02, 2009 | RIM BlackBerry Curve 8310 Smartphone

5 Answers

Unlock bb curve 8310, can you help?


It's a clear and fully detailed guide on how to unlock a BlackBerry 8310 ' Curve :

1. Insert any sim card
2. Turn off all of the wireless connections
3. Go to Options
4. Select Advanced Options
5. Select SIM Card
6. Hit menu select show keyboard (if your BlackBerry have touchscreen)
7. Type MEPD ( you will not be able to see what you are typing )
8. Type MEP2 or MEP4 ( you will not be able to see what you are typing )
9. Now the phone will prompt you to enter the mep code
10. if you not already have the code, then i suggest BlackBerryMEP.COM to get it from .
11. Enter the mep code ( you should see "code accepted" )
12. Restart your BlackBerry .

All done.

SOURCE :
BLACKBERRYMEP.COM

Jun 14, 2008 | AT&T Blackberry Curve 8300 Smartphone

5 Answers

Blackberry 8310


you can Unlock your Blackberry 8310 Curve with imei unlock code. it is very simple and eaisiat way to unlock your Blackberry. get your Blackberry 8310 Curve Imei Unlock Code . and use any gsm sim card.
i hope this will help you .

May 16, 2008 | AT&T Blackberry Curve 8300 Smartphone

2 Answers

8310 blackberry


unlock blackberry curve 8310

May 15, 2008 | AT&T Blackberry Curve 8300 Smartphone

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