Connection error hi my phone wont let me ring out or do anything it comes up connection error it is unlocked to any network not been on contract any solutions

you need the vpn account for your network to be put on the phone you will find it on the network web site.

Hi codes are the best solution to unlock your phone from contract or network lock .to get codes visit theunlockarena.com here ask you the network provider name to which your mobile is locked and the imei number of your mobile .finally they send you codes to unlock your mobile.

You can unlock it through any online store

The mobile which you have is a contracted mobile?? what message do you get when you insert a new SIM?? anything like "Enter Unlock Code" or "Enter Subsidy Password " if you get message like this,it means that your mobile is locked to network..until the contract period is over you cannot use other provider's sim in your mobile..to get rid if this problem you have to unlock your mobile..unlocking via codes will be the safe way..if you wish you can try Mobileunlocksolutions and get unlock codes to unlock your mobile..

you need top unlock it while use it for other network , try unlcok codes , if you want to unlcok means try here http://www.wickedunlock.com/

Hi there, 
Connection error usually is because you set some restriction to make or receiv a call. However, this setting can also be done by the network provider.
And since you said you got no signal, means that your SIM card can not finish registering to the network, which normally means that your network provider is blocking your card. Same thing happen to pre-paid card which no longer in active period and already pass grace period.
I suggest you call the network provider, or come to their support center for solution.

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yes,but i dont knw how

First you should get the IMEI (International Mobile Equipment Identity) from the box your phone came in. Give it to network 3. That will stop anyone else using it.
Then buy another phone with or without network lock.
The network 3 contract is still binding, whether you use them or not you have to pay them the minimum fee until the end of the contract.
Network 3 will lock it to their network, to make it work.
The other way is to have two phones.