How to Get Access to T-Mobile’s Free Live Translation Beta

Live translation is probably the most genuinely useful thing to come out of the AI boom, but if you want to use it during a phone call, you usually need to use a specific device or a separate app. T-Mobile is looking to change that. The carrier announced today that it will soon introduce live translation to all phones connected to its 5G or 4G networks, and to get in on the action, you're going to want to sign up for the beta now.

According to a press release sent to journalists today, the new feature will kick in for you automatically once you're selected for it, no matter what phone app or device you use. All you'll need to do to access it is type in "87" on the keypad during a phone call. Which means that, yes, it will also be compatible with feature phones, aka classic-style flip phones with physical buttons.

How T-Mobile live translation works

The device you use doesn't matter because all of the computing for the translation will happen on T-Mobile's end, rather than on your device. The downside is that you won't get to pick which AI model the translation uses, and T-Mobile hasn't yet to provide any indication of which one it will use. You'll also just have to trust T-Mobile's servers with any audio recorded from your conversation. T-Mobile spokesperson Mason Miller told Lifehacker's sister site PCMag via email that, "[T-Mobile does] not save call recordings or transcripts," but the company will certainly ave to run your data through its servers at some point to make the feature work. By comparison, competing translation apps often rely on downloaded language packs and on-device models.

Still, I see where T-Mobile is coming from with this offering: When live translation is limited to specific devices or apps, it vastly impacts its usability, since both callers need to have a compatible device for it to work. Processing translation over the cloud makes it more likely you'll be able to use it exactly when you need it—and as a bonus, only one caller will actually need to be on T-Mobile's 5G or 4G network to pull this trick off.

While T-Mobile's press release focuses on 5G, the carrier confirmed availability for the feature on 4G to The Verge earlier today. The Verge also reports that, in addition to dialing 87, beta participants will eventually be able to trigger live translation by saying "Hey T-Mobile" instead.

When T-Mobile live translations will go live

Testing for T-Mobile's live translation will begin "for selected users" this spring, with more general availability planned for "later this year." The feature will be free during the beta, although a surcharge might be added after it goes into wide release. "We will share more on pricing and plan details closer to commercial launch," Miller told PCMag.

To sign up for the beta and put your hat in the ring for selection, head over to t-mobile.com/benefits/live-translation.

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