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what i suggest for you to do is insert the sim card into your old phone and transfer all the contacts into the sim card. after that insert the sim card into your new phone and find the option wher eyou can copy the contacts in the sim into your phone.
if that does not work then that means the sim card cannot store contacts.
another option is to place the sim card in your old mobile and write down all the numbers that you NEED on paper and then later type it all down on the new phone.
You haven't given any details of the old and new SIM cards, but what you describe is typical of either a phone which is locked to an individual network, with a SIM of the "wrong" network inserted, or an inactive SIM card which has not yet been enabled by your network.
To cure the first fault, either revert to a SIM from the original network provider or pay to get the phone unlocked (you can either pay the network supplier it's currently locked to or you can use a phone unlocking shop. Sometimes the network option is cheaper and you certainly don't risk having your phone cloned and personal data copied by a dishonest shop proprietor).
The second fault may occur if you need to replace one SIM with another on the same network and same number. If that's the case, then you need to contact your network operator to deactivate the old SIM and activate the new one.
A third possibility, though less likely, is that you have a faulty SIM which need to be replaced.
First, make sure you have the SIM inserted in the phone correctly. If you do - and the phone still doesn't recognize the SIM card - you may need to replace the SIM card.
This is a common problem with some phones especially when the SIM has been transferred from one phone to another.
Just about the only way to correct it is to replace the SIM card with a new one.
You can purchase one on eBay for a few dollars instead of paying $25 at a retail outlet. Once you receive it, carefully pop it out of the card it is attached to and correctly insert it into your phone.
Put in your battery and turn your phone ON. You should see a 'No Service' message on the screen. If you do, then your phone can now recognize the new SIM card.
Look on the larger card you removed the SIM from and get the SIM number from the card. Then call your service provider and inform them you have replaced a defective SIM card with a new one in your phone. Give them the new SIM card number and in less than 1-minute your phone will be working again.
When it does, the message on the screen will change from 'No Service' to the name of your cellular provider.
When you place a new or a existing SIM card from another phone provider into your mobile phone and it asks for a Security code then :- This phone is locked to the original mobile phone provider. You need to contact this mobile provider to ask for the unlock code (security code) for this phone. You need to provide proof of ownership etc and the phone's unique IMEI number which is located inside the phone under the battery. They use this number to generate the unlock code for your phone. They should provide you with instructions on how to enter this code into the phone. Once you unlock the phone, then you can insert a new SIM card in this phone or sign up with another phone provider using this phone.
If your not really up for the work to go through for this. You can just have T-Mobile give you a new one for your phone. The SIM card transfer you would have done would have saved only your phone book.
If you are into looking to transfer the SIM card. Call your phone maker. In most Cases its Motorola for T-Mobile.
Call them, and tell them that your trying to transfer your SIM into a newer phone. Alas, They should tell you the code to unlock your phone
IF U ARE USING THE SAME CARRIER AS BEFORE (ATT FOR EXAMPLE) IT WONT NEED UNLOCKED. IF U WERE GIVEN A NEW SIM CARD FROM UR CARRIER WHEN THE NEW PHONE WAS BOUGHT, THEN YOU WILL HAVE TO USE THE SIM CARD. THE CARRIER ATTACHES THE SIM CARD NUMBER TO UR ACCOUNT. YOUR OLD ONE CAN BE USED ONLY TO ACCESS YOUR CONTACTS, BUT NOT TO MAKE CALLS.YOU CAN HOWEVER PUT THE OLD SIM CARD IN UR NEW PHONE FOR THE SOLE PURPOSE OF TRANSFERRING UR CONTACTS, THEN REPLACE YOUR NEW SIM CARD INTO UR NEW PHONE
Either your sim card is not seated correctly, the contacts are dirty, the sim card is dead, the copper contacts in the phone do not reach the sim card or the electronics in the phone are faulty.
try to change a new battery'
or maybe the sim card driver is unsoldered' or need to replace.
here is the pics.
skilled technician can do.