My blackberry 8110 says invalid sim card PRO-19517-002 and imel is 357564029385873

If the Blackberry Phone says Invalid Sim message on the display.It is locked to Network.You need to unlock it to use other network sim card.Visit the site Wickedunlock.com
get the unlock code and unlock it from network lock.Then use any GSM network sim card in it.

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.

These directions are for an AT and T phone, but other than that would be the same for any carrier.

A PUK (PIN Unlock Key) code is required to unlock SIM cards that have become locked following three successive incorrect PIN entries. If your SIM card becomes locked, you will need to get a PUK code from your phone carrier to unlock your SIM card.

You can obtain your phone's PUK code from your carrier in one of these ways:

Log in to Your account.online

Use a Technical Support Chat

Contact your carriers Customer Care

Get Your Phone's PUK Code Online

Go to the Phone/Device page.

From the My Phone/Device screen, select the Unblock SIM Card link under the My Make & Model heading.

The Unblock SIM screen will display your PUK code and will give you instructions for unblocking your SIM Card.

Once you receive your PUK code, you will need to enter it into your phone to set a new PIN code.

Note: If you enter the wrong PUK code 10 times in a row, your SIM card will be invalidated, and you will need to purchase a new SIM Card. The phone will display the following error: "PUK blocked call operator

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.

check whether sim card is working in different mobile or not ......if not working replace the simcard with the new ...

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

You should be able to change out the sim card unless you have a carrier that runs off the sim card such as AT&T. Have you tried changing it out? It will not hurt the phone.

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 .