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Popular on U Mobile

Unbeatable 5G Devices
Unbeatable 5G Devices

Level up your productivity with a FREE 5G phone via U Mobile U Biz plans! Stay connected when you're abroad for business with free global roaming. Learn more.
Pay Nothing for 6 Months
Pay Nothing for 6 Months

Own an iPhone 16e, 15 Pro, & 15 pay NOTHING for the first 6 months. Get FREE global roaming & 1,000GB of high-speed 5G data on your new device. Learn more here.
Business Postpaid Plan
Business Postpaid Plan

Explore U Mobile Postpaid plans tailored to your business needs. Get flexible & affordable Postpaid plans for seamless connectivity on your work phone today.
Mobile & Internet
Business Solutions
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Next-Gen HD Voice Calling ​

Experience ultra-clear HD calls & zero connectivity downtime with the latest voice transmission technology. 

Ultra Clear HD Calls​

Ultra Clear HD Calls​​

Ensure your most important calls 

are crystal clear.​

A True Multitasking Experience ​

A True Multitasking Experience ​

Stay online, connected and 

uninterrupted by continuing to work

even when you’re in calls.​

Speedy Call Setup​

Speedy Call Setup​

Set up your calls instantly and

be connected in no time.​

Experience Ultra Clear Voice Calling Today

Experience unparalleled HD Voice Calling in 4 simple steps.

Step 1

Check Compatibility

Check your smartphone is VoLTE compatible.

Step 2

Update Firmware

Update your smartphone to the latest firmware.

Step 3

Mobile Data Options

Go to your phone Settings > Mobile Data > Mobile Data Options.

Step 4

4G and VoLTE

Select 4G and enable VoLTE.
You may also refer here as a guide. 

Frequently Asked Questions

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