a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need. goodluck!
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There are two possibilities to get Sim card not valid issue.
1.There may be a problem in your Sim card so try another one.
2.Your mobile is locked to particular network provider.
If your problem persists,Your mobile phone is restricted by some network so try to unlock your mobile phone.You can unlock your mobile phone using network unlock code.It's the best way to unlock your phone.If you need an unlock visit SimpleUnlocking.com
Hi you can purchase restriction code for your Nokia 6300 mobile from online providers like Unlocking4u.com here they render unlock code for all mobile models which are locked to GSM network providers ..You first check that whether the code is available for your country and network provider ..If yes then pay for it and unlock your phone ..
Let me give you a little background and then some solutions. This is generic because I don't know of T-Mobile since they are merging with AT&T. So I'll provide the AT&T information.
Phones are naturally unlocked, but a service provider might lock them
When originally manufactured, all GSM cell phones are unlocked. That is, they can be used with any SIM from any cellphone service provider - always assuming, of course, that the cellphone service provider has compatible GSM service on the same frequency bands that the phone can operate on.
Most cell phone service providers electronically 'lock' the phone so that it can only be used with their service. There are obvious reasons why they choose to do this - in particular, to force you to pay what are usually very high roaming charges when you take your phone out of their network and use it elsewhere in the world.
Fortunately, this locking is reversible. With some phones, it is possible to simply enter an unlocking password code into the phone and it is immediately then unlocked. Other phones need to be connected up to a special unlocking data terminal.
Your phone has to be unlocked by the carrier. LG, Motorola, Sony Ericsson, Nokia and most of their ilk, will not give consumers the unlock codes but don't despair.
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 carrier. For example, if you want AT&T to unlock your SIM card, you can obtain your phone's PUK code from AT&T by:
● logging in to your my wireless Account online ● using their Technical Support Chat ● calling Customer Care at 1-800-331-0500
To get your phone's PUK code online from ATT:
● Log in to your my wireless Account. ● Select My Services under My Account. ● From the My Services screen, select My Phone/Device. ● Select Unblock SIM Card. ● The Unblock SIM screen will display your PUK code.
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 ATT 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."
There are three other ways to unlock a phone:
● The carrier will unlock the phone for you at one of its retail outlets; ● You can do it yourself by clicking on this link Free Unlock Codes , ● Pay $3.89 at the following website: www.theunlockshack.com/.
I trust that this is helpful and solves your problem. All the best
first install the PC suite and connect your mobile with system at first time it installs the needed drivers after installation completes restart your system and then do this to enusre the modem is installed
control panel ---> phone and modem -->> modems
select the installed driver something it named nokia phone modem. select go to properties---> query modem if the process is success. create packet data connection in PC suite, connect and enjoy