Account
Can I add a second line to my account?
How can I switch between GSM & Warp 5G?
How do I cancel a payment?
How do I check my balance via SMS?
How do I create an account?
How do I name a phone line?
How do I pay my monthly bill?
How do I refer someone to US Mobile?
How do I set up Security Questions for my US Mobile Account?
How do I set up Two-Factor Authentication (2FA) for your US Mobile account
How do I sign into my account?
How do I snooze my account?
How do I transfer my number to eSIM?
How do I verify my US Mobile account?
How to manage a Pooled Plan
How to set up a Pooled Plan
How to understand usage in Pooled Plans
How to use Single Sign-On with your account
I'm having trouble signing into my account
US Mobile's iOS & Android Apps
What do I need to do to port out my number?
What happens if I run out of data in my Pooled Plan?
What is AutoPay and how can I enable it?
Where can I check my remaining Minutes, Text Messages and Data?
Troubleshooting
Calls going to Landline
How to Check Your Block List
I can't use my phone as a hotspot on my Warp 5G line
I can't use my phone as a hotspot with my GSM 5G line
I cannot receive or access my voicemail
I cannot send or receive text messages with GSM LTE line
I cannot send or receive text messages with Warp 5G line
I cannot send/receive MMS with GSM 5G line
I cannot send/receive MMS with Warp 5G line
I cannot use SIM on my device
I have no service with GSM 5G line after the APN Update
I use GSM and I cannot make or receive calls
I use GSM and my cellular data is not working, but talk and text are.
I use Warp 5G and I cannot make or receive calls
I use Warp 5G and my cellular data is not working, but talk and text are
Billing
100 MB to GB – What Can I Do with 100 MB of Data?
Buy now and pay later: check out with Affirm
Can I return a phone I bought from US Mobile?
Do unused minutes rollover?
Does it cost me to call customer support?
Easily set up Autopay for your phone bill
How am I billed for calls and texts?
How can I close my account?
How do you enable Consolidated Billing?
How does the Student Discount work?
How does the free trial work?
How does the referral bonus work?
What do I do if my AutoPay fails?
What is a base plan?
What is the Recovery Fee?
What payment methods does US Mobile accept?
What taxes and fees do I have to pay with US Mobile?
Where can I find an invoice for my order?
Where can I update my payment information?
Where can I view my order history?
Will I lose my number if I don't pay the bill?
Join
Can I change my plan in the middle of the month?
Can I decide which phone number I get?
How do I use a promo code?
How long does my plan last for?
How to Activate your Amazon bundle
How to get a free Starter Kit
We have news to share
What do I do if I run out of minutes, texts, or data in the middle of the month?
Where can I get a US Mobile SIM?
Which US Mobile network is best for me?
Which networks does US Mobile use?
International
Can I use my phone when traveling internationally?
Can I use talk and text with my international plan?
Google Pixel: Activate and install an international eSIM
How to Buy (or redeem) an International eSIM plan
List of international eSIM compatible devices
Samsung Galaxy: Activate and install an international eSIM
Supported Carriers for our international destinations
What to expect after your international data purchase?
eSIM Data Roaming Country APN Settings
iPhone: Activate and install an international eSIM plan
Business
Device Features
Call blocking
Call forwarding
Can I switch to a different phone later?
How Do I Set Up WiFi Calling for iPhones?
How can I adjust my phone's ring time?
How can I get my phone unlocked?
How can I set up a hotspot?
How do I Set Up WiFi Calling on Android?
How do I access my voicemail?
How do I insert the SIM into my phone?
How do I set up my voicemail / visual voicemail?
I don't have a phone. What do I do?
I forgot my voicemail password
Is my device compatible with US Mobile?
My Caller ID is incorrect
Will US Mobile SIM cards fit in my phone?
Will my phone work with US Mobile?
Device Setup
How to set up a Blackberry with a GSM LTE line
How to set up an Android with a GSM LTE line
How to set up an iPhone with a GSM LTE line
How to set up an iPhone with a GSM LTE line - iOS 8 and newer (iPhone 6 and newer)
How to set up an iPhone with a GSM LTE line - iOS Version 5 & earlier
How to set up an iPhone with a GSM LTE line - iOS Version 6 & 7
How to set up your Android with Warp 5G in case of No Service
How to set up your Samsung device with a Warp 5G line
How to set up your device with Warp 5G in case of No Service
How to set up your device with a GSM LTE line
How to set up your iPhone with Warp 5G in case of No Service
Nokia 3310 APN Settings
SIM Activation
How can I keep my number?
How do I activate my SIM card?
How to transfer your number from one carrier to another
I cannot activate my SIM
I lost my SIM card
I need to update the information on my port request
Device FAQs
- All Categories
- Join
- Which US Mobile network is best for me?
Which US Mobile network is best for me?
The US Mobile Starter Kit comes with two SIM cards. The white SIM card is meant for GSM LTE, and the black one gets you access to our Warp 5G network.

What are the major differences?
Network Type | Warp 5G + CDMA | GSM LTE |
Custom plans | Yes | Yes |
Unlimited plans | Lower prices on this network | Lower prices on this network |
Network coverage | Best in the US | Great |
Data Speeds* | Fastest LTE in the US. Comes with Ludicrous + Warp Speeds (5G), C-Band and mmWave enabled | Comes with Ludicrous + Warp Speeds (5G) enabled |
Plans prices | Best prices of any carrier on this network | Best prices of any carrier on this network |
Coverage
There are minor differences in coverage depending on which network you choose to use. Our Warp 5G network has slightly better coverage in some rural areas. However, GSM LTE and Warp 5G are almost equal in larger, more densely populated areas.
You can use our coverage built into the ‘Networks’ page to check which network has better coverage in your area. In case of any questions, you can also reach out to us via chat, email, or call!
Device compatibility
Due to recent changes to our GSM LTE network, for devices to be now compatible, they must come with "4G" or "LTE" capability and also have VoLTE/HD Voice/Enhanced Calling. The requirements for our Super LTE network are a bit different, so we also have a handy compatibility checker built into the ‘Networks’ page. If you need help figuring out whether you can bring over a device or not, please reach out to us, and we can help confirm that for you. Most Apple, Samsung, or other newer devices are compatible with both of our networks.
If your phone isn’t compatible or you need a new one, we have a selection of inexpensive and unlocked devices in our store, which are compatible with both of our networks!
If you want to know whether our service will work on your IoT devices like alarm systems, GPS trackers, smart-watches, or other related equipment, please reach out to us via chat, call or email with any questions you may have, and we'll try our best to answer them for you.
We're around 24/7 and love helping people tailor our services to their needs.
Network | Warp 5G | GSM LTE |
Top-Up | Rolls over to the next plan | 30-day validity |
Usage Alerts | Yes | Yes |
AutoPay | Available | Available |
Snooze your plan | Available | Available |
Call forwarding | Available | Unavailable |
Visual Voicemail | Available on both iOS and Android devices | Available on both iOS and Android devices |
Wi-Fi calling | Available | Available |
5G | Available | Available |
Real-time Dashboard | Yes | Yes |