$$$ per month (30 days plan):

    • Unlimited local talk/text (additional charges for international)
    • Unlimited Internet access with fast 3G or 4G LTE high-speed network.
    • Supports hotspot sharing


    Unlimited nationwide calls (landlines & mobile) and includes incoming international calls from select countries.

    International Calls

    Standard rate for international calls is expensive, CT not recommended.

    There are Add-on options:

    (1) Unlimited international calling package (USD 15/month)

    This add-on will be deduct automatically in the beginning of each month. For cancellation, please complete the process before the next period begin or before the deduction is made.

    (2) Dynasky Sino phone card

    With USD 10 face value and use in conjunction with T-Mobile prepaid plan. Charges is base on: US landline cost + standard rate (depend on the country you call to) for Dynasky Sino phone card.

    CT highly recommends customers to choose T-Mobile prepaid plan with unlimited nationwide calls to enjoy the best deal.

    How to use

    CT will activate the SIM card one day prior to your arrival date. After arriving in the U.S, please insert the SIM card into your phone, select signal manually or automatically and enjoy immediate service.

    Extra refills will be deposited directly into your mobile phone number account.

    Balance & Extra Refill

    CT will top-up your refill amount directly to your account and the next cycle plan will be activated automatically if your balance is enough for the plan’s required amount.
    $50 is immediately deducted once your monthly plan is activated and lasts for 30 days of service. (If you only purchased $50, on the first day of the plan’s activation, your account balance will be 0)
    Please note that if you have refilled more than one month plan’s fee, the first month will deduct 50$ and the rest of the refill amount will be displayed in your account balance.
    If using international calls, international SMS or other paid services, extra surcharges will be deducted from your balance. Please note that this may cause insufficient funds to continue your next data plan.


    Internet access is available only within U.S domestic (hotspot sharing available). Enjoy unlimited internet access with fast 3G OR 4G LTE speed.

    *Accessing 3G speed requirements:

    (1) Mobile phone supports WCDMA 1900

    (2) See if your destination has network coverage here


    Unlimited domestic SMS within the US (excludes international SMS).

    Music streaming

    Data free – streaming music will not affect on the data usage.

    Internet settings

    Most phones automatically update your network and are ready to use when inserting a new SIM card. However, some phones need to be set manually; if this is the case, please manually set your mobile network APN as epc.tmobile.com
    There is a multitude of phones in the market, so please check if your phone is compatible with U.S cellular frequencies before your trip.
    If your cell phone specifications match but you are unable to access the internet, it might be a phone setting issue, please check your phone manual and reset the internet and APN. If the problem persists, please contact your phone manufacturer for more information.
    Some phones are unable to share hotspots and Wi-Fi tethering, please conduct a self-test to ensure correct use.
    Note: As long as the T-Mobile system determines that your account has been activated correctly, there can be no refund.

    Balance check & change plan

    Dial 611 directly from your mobile phone

    Please note prepaid plan maybe automatically turn to charge per minute after 60 days without using it.

    Terms and Conditions

    CT is only an authorized distributor and reseller, helping customers by obtaining services from various telecom companies.

    Please make sure that your phone is compatible with USA SIM card signal and network coverage (Phones should support GSM 850/1900, WCDMA / HSPA 850/1900) and ensure that your destinations are not inaccessible from network coverage or have poor signal before purchase.

    After activation, CT is unable to refund under the following criteria:

    1. If the network coverage is poor or absent due to the destination.
    2. If the mobile phone has settings issues that impede the SIM card from working properly or rendering part of its services.
    3. If you are not satisfied with the internet speed or call quality.
    4. If you are unable to use the hotspot function (Once activated, the plan includes all of the services that are included in the plan. If you cannot use part of the service, for example; hotspot or Wi-Fi tethering, that means that there is an issue with your phone setting.
    5. If you have unused value in your account balance.
    6. If you experience other causes after successful activation of your SIM card that are unrelated to CT services.
    7. If you are unable to use your SIM card in the U.S, please contact CT’s customer service within 48 hours.

    *Please do not transfer SIM card to other devices.

    *By placing your order, you agree to the terms and conditions set above.

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