Samsung Open to all networks Opening Samsung mobile phones from the USA Please read and understand the following terms of service before ordering this service: New devices from the T-Mobile USA, which is locked with a lock new application, currently can not be opened, for more details please contact us. The service works only GSM devices. If you have a CDMA handset please refer to the opening of all networks CDMA devices. If you are unsure, it is best that you create contact with us before booking. Only Samsung mobile phones from the United States. This service works only on US businesses, ie from Monday to saturdays. There may be delays. Delivery time: 1-4 days usually