My phone cant found the network - Samsung SGH-G600 Cellular Phone

Some places have no phone service, It means there is no signal.

What type of unlocking do you need ?. There are many types of lock in phone like phone lock ,network lock ,PIN lock and so on .If you asking about network lock then i am here to clear you what it mean.Unlocking is nothing but removing network lock in mobile phone due to this you cant use your phone with any GSM network provider .There are many ways found to unlock mobile from network lock they are by using cable ,software ,code .Among them code is the easiest method to unlock mobile .You can get unlock code through online providers like Unlock-Zone.com here they render unlock code for all mobile models .

What is ZTE Mobile Model ?It locked to network means it ,you can get the Unlock code from the site Simpleunlocking.com/zte/rs16wp8/ and unlock the ZTE phones,You can get the master reset code from the service provider and unlock it from security lock,you can unlock GSM Network lock,CDMA Network lock cannot be unlocked.

First it would be nice to know what brand and name your phone have.
Then you need to make sure is enable in service at your network provider.
If it is you should be able to get the settings from your network provider. Its often found on the operators webpage.
Try this search on google
"operator name" gprs settings. (without "

Hi,If you are trying to use a SIM card in your phone and getting a message like "Enter Subsidy Code", "Incorrect SIM Card", "SIM not provisioned" or similar messages, then you need an unlock code for your mobile phone. You can get LG GW520 Unlock Code from the network provider, they will verify the account holder information. They will provide you an accurate code with easy to follow instructions on how to unlock your phone. You can check LG Unlock Code site, they can open up all networks for you where you want to use your phone. Once your phone is unlock, it will work with any network worldwide without sticking to one network.
Hope this is helpful.
Thanks.

i have the same problem. i found out alot from these sites http://www.unlockme.co.uk & http://www.trycktill.com . mainly i found out that since the irish 3 network is so small no body realy posts any info about it. and since our phones are relitively new i cant find the appropriate serial box code or a network code for 3G ....

All you have to do is call your network provider or whatever phone network it was with, if you are still a customer you can just ask as normal but if you are not and can still call but say you want to unlock your phone but your phone isn't in service but it used to be. They would be happy to give you the code to unlock it all they need from you is the IMEI number which can be found in the back of the phone if you didn't know. Dont be scared of anything by calling the network provider, they cant do anything but help you lol

try to put your phone Network Mode in GSM, not in Dual Mode.
or try this'
press menu>select setting>Network>on network setting select Operator selection'
select manual.
after the phone search and say No Operator found.
your phone prob. is in the hardware...

if it cant auto find the network, go to the settings, do it manually and then look for network menu, all the found networks will appear in the list, choose yours and press ok, if still no connection then there is a sim card fault or the phones reciever is faulty.