[US SIM Plan (Physical SIM Card)] Getting Started
This guide walks you through the steps to get started with your US SIM Plan (Physical SIM Card).
Please complete the following 5 steps in order.
Check Your Phone Compatibility
Check Your SIM Unlock Status
Please make sure your smartphone is SIM-free or SIM-unlocked before using the service.
iPhone
Settings → General → About → scroll down to SIM Lock
→ If it shows "No SIM restrictions", your device is unlocked.
Android
Settings → About device → SIM card status
→ If it shows "Allowed", your device is unlocked.
※ Menu names may vary depending on your device model or OS version.
※ If your device is SIM-locked, please contact your original carrier or retailer to have it unlocked.
Supported Frequency Bands & VoLTE
Your device must support the following:
4G: VoLTE / Band 2, 4, 12, 66, 71
5G: n71, n41
※ iPhone 6s and later models are compatible.
※ You can check your device compatibility by entering your IMEI number on T-Mobile's BYOP Check.
For more information, see Can I use my current phone with this plan?
Order Your US SIM Plan
Visit our plan page, select the US SIM Plan, and complete your order by following the on-screen instructions.
Receive Your SIM Card
Shipping (US or Japan)
Your SIM card will be delivered to your specified address within 3–5 business days after your order.
In-Store Pickup
Once your SIM card is ready, we will send you a "Pickup Notice" email.
Please visit the following address to pick up your SIM card.
UNIVERSAL Mobile
370 Crenshaw Blvd Ste E202G
Torrance, CA 90503
Submit an Activation Request
Log in to My Page and submit your activation request with the following information:
- Enter your Desired Start Date and ZIP Code. Both are required.
※ You may use the ZIP code of your hotel, workplace, or school. - Select any optional plans you would like to add.
- If you are transferring your phone number from another carrier, enter your current carrier's Account Number and PIN.
※ For number transfer (MNP) instructions, see this article.
After submitting: You will receive an email with the subject "SIM Activation Request".
Please wait until your desired start date.
Activation timing: Activation begins after our business hours start at 9:00 AM PST.
Completion may take place in the morning or afternoon, so please allow extra time when choosing your start date.
If your start date falls on a weekend or holiday, the activation email will be sent on the preceding Friday or the last business day before the holiday.
On Your Start Date — Insert the SIM Card
On your desired start date (US time), insert the SIM card into your device and turn it on or restart it.
Your phone number will be provided in the email with the subject "SIM Activation Complete".
Important Notes
- Plan charges begin on your activation start date.
- The activation email may be filtered into your spam folder. Please add customer@universalmobile.us to your trusted senders list.
- If you are transferring a phone number, your actual start date may differ slightly. Do not cancel your current plan until the transfer is complete.
- Only US mobile phone numbers can be transferred. Japanese phone numbers cannot be ported in.
If you have any questions, please feel free to contact us.
UNIVERSAL Mobile Customer Support
customer@universalmobile.us
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