Unlock code Carrier T-Mobile

You have not provided proper details about your sim network locking. you must provide carrier name and country where mobile is network locked. Then you can generated carrier network sim unlock code from mobile imei number. It will generate four kind of code. NCK is your network imei unlock code.
Tecno is chinese mobile company based on Hongkong but you can get it in USA from t-mobile. http://mobile-cellphones.blogspot.com/2019/02/carrier-network-unlock-huawei-mobile.html
Huawei is also popular chinese mobile company.

Valerie

Check out What is PUK and how do get my phone unblocked

Mark
Motorola Support

Hi to get carrier unlock code visit Wickedunlock.com here they ask you the network carrier name to which your Samsung SGH-I917 mobile is locked and the IMEI number of your mobile .Then they render you code to unlock your mobile.

what is your mobile model? you can get the carrier unlock codes for your phone either from your service provider or from other online providers like Classicunlocking.com

Hi, Your mobile is locked to network carrier. So only it shows the message "contact service". So contact your network carrier and ask to unlock your mobile. Else get unlock from any reliable service on the market. If you wish you can go through the website Superunlockcodes.com to get unlock code for your mobile. To get unlock code just provide your mobile's IMEI number, Country and Network carrier it is locked to. Also follow the instructions. It'll be helpful to unlock your Nokia X3. Check it out for further information.

Hi.. Contact your network carrier and ask for the codes. Sure they will help you. Otherwise try to get codes through online service providers. Search in Google. It will show more results regarding unlock sites. There you can choose any trusted service to get code and check the availabilty of the service for your mobile by giving your mobile manufacturer, mobile model, country and network carrier. If the service available means give your mobile's IMEI number and get unlock code. After get the code follow the instructions at mobileunlockguide.com It will be helpful to unlock your mobile easily..

Try unlocking sites