Question about AT&T BlackBerry Curve 8310 Cell Phone - Red

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Invalid SIM card

BlackBerry 8310 Curve at&t gives this msg when we put a SIM card here in Africa Tanzania

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  • fasilabraham Nov 30, 2008

    the same problem I have. pls help me my provider is O2

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  • 153 Answers

Go to your provider and ask for a new sims card. They should give you one free of charge. This corrected the same problem for me.

Posted on Nov 30, 2008

  • samson-1
    samson-1 Nov 30, 2008

    Why is this inappropriate?

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1 Answer

My problems of cell phone blackberry 8310 invalid sim solution


If your Blackberry 8310 says Invalid sim card.It is locked to network.You need to unlock it from current network lock.So that you can use with other network....Without unlocking you cannot use other network sim card.Visit the site Simpleunlocking.com get unlock code and get free unlocking instructions at Mobileunlockguide.com and unlock it step by step.

Nov 16, 2012 | RIM otion BlackBerry 8310 Smartphone

1 Answer

What is the code to unlock the blackberry 8310 curve


Do you need to unlock your Blackberry Curve 8310 from network lock?Blackberry has 10 unlocking tries..So you have 4 remaining unlocking tries.You can get the unlock code from the site
Classicunlocking.com for Blackberry Curve 8310 and unlock it easily using the unlocking instructions below...

Blackberry Curve 8310 Unlocking Instructions

Warning : Do not enter any wrong unlock codes on your Blackberry Curve 8310 mobile phones. If you enter over a certain amount of wrong unlock codes on your Blackberry Curve 8310 mobile phone, your phone may get hard locked and sometimes become unusable.
1 - Switch on your Blackberry Curve 8310 with any Sim card and Turn off all Wireless connections.
2 - Go to Settings.
3 - Go to Options.
4 - Select Advanced Options.
5 - Select SIM Card.
6 - Type MEPD using your Blackberry Curve 8310 keyboard (NOTE: You will not see any text appear on the screen while typing MEPD),
7 - Type MEP then hold 'ALT" key and type number 2.(NOTE: You will not see any text appear on the screen while typing MEP2),
8 - You will then be presented with a prompt "Enter Network MEP Code". Type in the Unlock Code and press in the track wheel / jog dial to confirm,
9 - Your Blackberry Curve 8310 will now be unlocked.

Oct 26, 2012 | RIM BlackBerry 8700c Cellular Phone

1 Answer

In need of master security code or puk code for blackberry curve 8310


u need to borrow or use someone elses phone n call t mobils cs help line n tell them u accidentally locked ur sim card n need the puk code, they will tell u wht to do from there n give u the master code as well.

Sep 06, 2012 | AT&T BlackBerry Curve 8310 Cell Phone -...

5 Answers

I need the MEP code for my blackberry 8310 curve IMEI# 355085.02.113517.5


Hello
you can get Blackberry 8310 MEP unlock code from this Blackberry MEP unlock code provider to use your Blackberry with any GSM SIM card around the globe,
i hope this provider will help you for unlocking Blackberry device,
thanks

Oct 19, 2010 | AT&T Cell Phones

4 Answers

I need to unlock my blackberry curve 8310 can someone give me the code please????


how to unlock BlackBerry Curve 8310/8320? if you got the BlackBerry unlock code from AT&T.how to use unlock code to unlock BlackBerry Curve 8310/8320?
you can follow the steps to unlock BlackBerry Curve 8310/8320. You must have a SIM card in your BlackBerry Curve phone to complete these steps ( Can be active or inactive )
1. go to settings on BlackBerry Curve > go to options > go to advanced options > go to sim card
2. Type MEPD (not case sensitive) ( you will not see text appear on screen while typing )
3. Does it say Network active? if so your phone is locked
4. Hold the ALT Key while typing in MEPE ( not case sensitive ) ( you will not see text appear on screen while typing )
5. It will say “Enter Network MEP Code, then you type in the 16 digit unlock code, press in the trackwheel / jog dial to confirm
6. Your BlackBerry Curve phone is now unlocked

Mar 08, 2010 | AT&T BlackBerry Curve 8310 Cell Phone -...

1 Answer

SIM card rejected


Buy the new sim card from network operator shop.. they will give you the New sim and activate it

Jan 08, 2010 | AT&T BlackBerry Curve 8310 Cell Phone -...

5 Answers

I unlocked my blackberry 8310 and i put in my softbank sim card and i have no service in yokosuka, japan


Hello

This unlock code provider generate full LEGAL unlock code direct from Blackberry server which wont void your warranty, & generate code based on your IMEI, means individual code for every blackberry set.
After unlocking from this provider's code your blackberry not only work with single network, you can use your Blackberry in any part of world with any network including your browser & MMS picture messaging to work, yes with just one time entering code from your keypad.
They unlock from network who locked your blackberry
This site will help you a lot & good email & 24/7 phone support

http://blackberryimeiunlockcodes.com

Sep 28, 2009 | AT&T BlackBerry Curve 8310 Cell Phone -...

1 Answer

How do you contacts from memory card to blackberry curve


The memory card can be accessed by pressing the Blackberry button and choosing SIM address book. If you want you can then transfer them to the phone memory.

Jul 19, 2009 | AT&T BlackBerry Curve 8310 Cell Phone -...

1 Answer

I have the 8310 but service with T-Mobile.


There are different operating systems for the myfaves and non-myfaves phones. You can check crackberry.com's forums to see if the operating systems are interchangeable.

Jul 04, 2008 | AT&T BlackBerry Curve 8310 Cell Phone -...

1 Answer

Sim card


You have to unlock your blackberry, in order to do so, visit http://blackberrymep.com and get your unlock code with instructions to unlock, it's fast and rapid, you will get your blackberry unlocked in five minutes .

Jun 26, 2008 | AT&T BlackBerry Curve 8310 Cell Phone -...

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