Frequently Asked Questions
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Results for "国際": 7
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International calls can only be made if you are subscribed to an applicable optional calling plan.
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For customers subscribed to the $60/month Premium Plan
● $60/month Premium Plan*1
*1) Available only to customers using the Premium Plan with the dedicated SIM card (pink SIM card).
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〈 Special International Calling Rates (Optional Plan) 〉
Option fee: $20.00/month
This option allows you to make international calls at special international calling rates.
※ Available on a monthly basis.
● International calls to Japanese phone numbers
Landlines - Unlimited
Mobile phones - $0.07 / minute
To subscribe to the Special International Calling Rates option, please contact Customer Support.
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For customers subscribed to the following plans
● $45/month Business Plan
● $30/month Lite Plan
● $15/month Minimum Plan
● $60/month Premium Plan*2
⇒You can only make calls to Japanese landline and mobile numbers if you are subscribed to the Japan Call option.
*2) Customers using the Premium Plan with the SIM card provided before the SIM card change.
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〈 Japan Call (Optional Plan) 〉
Option fee: $15.00/month
This optional plan provides unlimited calls to Japanese landline and mobile numbers.
※ Available on a monthly basis.
● International calls to Japan
Landlines - Unlimited
Mobile phones - Unlimited
To subscribe to Japan Call, please contact Customer Support.
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Contact Us:
UNIVERSAL Mobile Customer Support
Email: customer@universalmobile.us
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Because UNIVERSAL Mobile uses the network of a T-Mobile-affiliated carrier,
you may occasionally receive SMS messages directly from the carrier.
These messages are often related to SIM card insertion or warnings about international calling, and no action is required on your part.
Please also be aware that you may occasionally receive scam messages impersonating the carrier. Do not click on any links in suspicious messages.
If you would like us to review the content of an SMS message you received, please contact UNIVERSAL Mobile Customer Support using the information below.
Contact Information:
UNIVERSAL Mobile Customer Support
Email: customer@universalmobile.us
Phone: 888-504-9056
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About the Roaming Service
This service allows you to connect to local mobile networks in the countries you are staying in without using a Wi-Fi router.
The service is available without an additional application or registration only for customers subscribed to the $60 Premium Plan.
For details about roaming rates, please see here .
※Roaming charges will be billed as “Usage Charges” on the invoice for the following month.
Note: Data and voice services using roaming may have an unstable connection depending on the area of the country you are staying in.
Please adjust the following settings on your smartphone.
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Roaming Rates for $60 Premier Plan
・Data: Unlimited *Speeds are throttled to 2G
・SMS: Unlimited
・Voice Calls: $0.25 / min *Charges apply to both outgoing/incoming calls and add-on services
*No extra usage charges apply in Canada and Mexico. The above rates apply to all other countries.
Roaming Rates for $15, $30, and $45 Plans
Rates for Use in Japan
・Data: $0.20 / per MB
・SMS: $0.05 / per SMS
・Voice Calls: $0.25 / per min
*Rates for other countries are listed below.
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What is the New Premier Plan?
T-Mobile 5G Ready! This is the upgraded "New Plan" that enhances our existing Premier Plan with additional features.
The "New Plan" is the only plan that includes international roaming, allowing you to use your phone seamlessly when temporarily returning to Japan or traveling abroad!☆
Features Included in the New Premier Plan
■ International Roaming
■ Unlimited Usage in Canada & Mexico (Includes calls to Canadian & Mexican numbers)
■ Outbound International Calling
■ Music & Video Streaming
This T-Mobile 5G Compatible New Premier Plan includes all of the above services by default.
There is no need to select separate add-on options.
Please note that usage fees vary depending on the feature—some are free, while others incur charges.
Please review the details for each service below.
【 Service Details 】
【 International Roaming 】
Enjoy free, unlimited internet roaming in approximately 120 countries worldwide, including Japan!
You can use local mobile networks even without Wi-Fi, making it extremely convenient for temporary visits back to Japan!

Roaming speeds may vary slightly by country.
To check roaming rates for countries other than Japan, please contact Customer Support.
【 Unlimited Usage in Canada & Mexico (Includes Calls to Canadian & Mexican Numbers) 】
Enjoy free and unlimited usage within Canada and Mexico!
Outbound calls from the U.S. to phone numbers in Canada and Mexico are also free and unlimited.
You can also use your service seamlessly at Mexican resort destinations like Cancun and Los Cabos at no additional cost♪

【Outbound International Calls 】
International calling service is supported.
*Please note that outbound international calls are not free.
Depending on your call frequency, you can subscribe to optional add-on plans.
The following options are available: Special International Calling Rates ($15/month) and Japan Call ($15/month).

【 Music & Video Streaming 】
Streaming on partner music and video platforms (including those listed below) will not count against your data limit.
Enjoy seamless music and video streaming anytime on a high-speed network connection.
TikTok, Apple Music, Spotify, YouTube Music
Amazon Video, Disney Channel
Netflix, YouTube, Hulu, HBO, and more
How to Switch to the New Premier Plan
Upgrading to the T-Mobile 5G New Plan requires a SIM card replacement (limited quantities available!).
For details, please contact Customer Support via the "Inquiry Form".
【 Contact Us 】
If you have any questions regarding the New Premier Plan,
please reach out to us via the "Inquiry Form" (available 24/7).
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UNIVERSAL Mobile Customer Support
Email: customer@universalmobile.us
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International SMS to numbers outside the U.S. is included at no extra charge with unlimited usage.
*Available on all SIM plans.
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When using your phone within the United States, there are no charges for receiving incoming international calls.
*The caller will be responsible for any international calling charges.
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