UWT Mobile SIM is an advanced roaming product that allows international travelers to bypass extremely high roaming fees charged by mobile phone operators.
UWT Mobile SIM card comes ready to use with any unlocked GSM phone and with a personal phone number.

The UWT Mobile service works by inserting a SIM card (small chip) into an unlocked GSM phone. When making calls, the system uses a simple call back process to connect you to destination. Although it is slightly different from regular way of dialing out, it is a very simple process!
1. Insert your UWT Mobile SIM card into your mobile phone and turn the phone back on. The SIM card slot is usually behind the battery. Remove your current SIM card and replace it with your new UWT Mobile SIM. It might take a few seconds for the handset to find a mobile network; as soon as it does, the service is ready to use. Note: If the phone asks for the PIN number, enter the default PIN number "0000" and click "OK". To avoid entering the PIN every time you turn on your phone with UWT Mobile SIM, change the PIN setting from your phone's SIM options menu.
2. Dial the phone number of the person you wish starting with "+" or "00" and followed by the country code and the phone number and press the "Call" or "Send" key.
3. Your handset will display a "Calling" or "Wait for Call" message and start ringing in few seconds (certain phones may display a different message such as call cannot be processed, etc. Just wait until your phone starts ringing).
4. Answer the call as you usually do and you will be connected in few seconds to the number dialed.

All you need is an unlocked GSM world phone that will operate in the network of the countries you will be visiting. In order to find out in which frequencies your mobile phone operates, please check your phone's user manual or contact your mobile service provider.

United World Telecom is a US company based in Delray Beach, Florida, USA, with affiliates and independent agents on all continents. UWT is authorized by the US Federal Communications Commission under Section 214 of the Telecommunications Act to provide switched telecommunications services.
UWT’s switching and network control center is located in Miami in a state-of-the-art telecommunications facility with temperature and humidity controls. Battery and diesel generator back up in place would provide power to UWT for 10 days in case of a major natural disaster. Utilizing the very latest digital technology, UWT provides a service over a synchronous broad-band network built on a fiber backbone.
UWT is committed to providing high quality communications and services to its customers at substantial savings over national PTTs' rates. The company began providing callback service in 1994.

• $10 to $129 call credit included - based on selected program
• FREE incoming calls in over 60 countries
• Receive SMS for FREE in every country
• Works in over 175 countries
• No daily, monthly or yearly fees
• No connection, set up or disconnection fees
• No contract or commitment
• Check your balance for free from your mobile phone
• Save up to 85% on International calls
• Add an unlocked GSM mobile phone starting at $35

Click here to view detailed rates and options.

If you are interested in signing up, simply, please Click here to enter your order Online via secure order form.

We reserve the right to request additional information at our sole option including a copy of the front and back of the credit card and a copy of the front cover page of the current credit card billing statement.

Once we have received the completed application, and it has been approved (legibility, credit approval), you can expect service to begin within 24 to 72 hours. You will then receive an E-mail containing dialing instructions.