2 min read

T-Mobile Expands T-Life Profiles as Ad Questions Linger

T-Mobile plans richer T-Life profiles and interest preferences, but hasn’t said if that data will feed advertising systems or when it will roll out.

Image: TechRepublic

T-Mobile says it will add richer account profiles and interest-based preferences to T-Life, its app for account management, shopping, support, and customer perks. But the company has not said whether those new profile details will also be used for advertising.

In a July 9 company post, T-Mobile described the personalization changes without giving a rollout date or separate opt-out controls. That leaves an open privacy question, because T-Mobile already collects data through its network, connected devices, and multiple ad programs.

T-Mobile ad programs and data collection

T-Mobile’s privacy notice describes three customer-facing advertising programs:

  • Relevant Ads uses app-usage information, purchased or customer-provided demographic data, and a mobile advertising ID (MAID) to infer interests and deliver ads to a device.
  • Personalized Ads and Offers can use precise location, self-declared demographics, high-level website domains, and some Customer Proprietary Network Information (CPNI) for customers who had already opted in. T-Mobile is no longer accepting new enrollments.
  • Tailored Offers and Ads, the opt-in replacement, may analyze app usage, purchases, browsing activity, precise location, and CPNI to build audience groups, personalize offers, and measure campaigns.

T-Mobile also says third parties, including Google, may place cookies or pixels on its apps and websites for tracking and targeted advertising. Uninstalling T-Life does not stop all collection: the carrier says it automatically receives device, app, network, and location information when customers use its services.

Recommended reading

Windows' hidden GDID helped FBI track alleged hacker

Privacy settings customers and IT teams should review

Customers need to check privacy controls separately for Relevant Ads, Tailored Offers and Ads, analytics settings, and the Do Not Sell or Share option. In T-Life, the path is Manage > gear icon > Privacy and policies > Privacy Dashboard.

On Android, users can search Settings for Ads or Advertising ID to delete or reset the identifier, though menu names vary by device. That can reduce identifier-based targeting on the phone, but it does not erase data T-Mobile already holds or stop processing required to deliver service.

For IT teams, the article says privacy reviews should cover managed account settings as well as mobile device management policies for app permissions, advertising IDs, and third-party components. It points to a recent third-party Android SDK flaw and a separate Microsoft 365 token vulnerability as reminders that mobile governance has to cover embedded software and authentication data, not just visible permissions.

T-Mobile also maintains a separate business privacy notice, while some very small business accounts opened with an individual’s Social Security number fall under the consumer notice. That means organizations need to verify which notice and settings apply to corporate-liable, employee-owned, and small-business lines.

T-Mobile has still not said whether the planned T-Life profiles will stay limited to customer benefits or connect to its advertising services.

Sophia Reynolds

Security Editor

Sophia unpacks the invisible wars happening on our networks. Covering cybersecurity, privacy legislation, and cryptography, she exposes how our data is weaponized and defended. Before joining for(geeks), she spent years as a penetration tester. She's the reason the rest of the team uses physical security keys.

via TechRepublic

// Keep reading