T-Mobile · T-Mobile Privacy Notice

Network Browsing and App Usage Monitoring

High severity
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What it is

As your internet service provider, T-Mobile can see the websites you visit and apps you use on its network and may use this information to infer interests and serve targeted advertising.

Why it matters

Unlike website cookies, network-level monitoring is invisible to consumers and captures all online activity on T-Mobile's network regardless of browser privacy settings, representing a uniquely invasive form of data collection.

Institutional analysis (Compliance & legal intelligence)

Network-level data collection by telecommunications carriers implicates FCC open internet and CPNI rules, CPRA sensitive data frameworks, and FTC unfairness doctrine; the use of deep packet inspection or similar methods for advertising purposes without meaningful consent has been a subject of prior FCC enforcement and should be flagged in due diligence reviews.

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Consumer impact

T-Mobile collects extensive personal data including precise geolocation, network browsing activity, CPNI, biometric data, and financial information, and uses it for targeted advertising as well as sharing with affiliates, partners, and third-party data brokers. Consumers' data may be sold or shared in ways that affect their privacy and financial profile, and some data sharing persists even after account cancellation due to legal retention obligations. You can opt out of T-Mobile's Advertising & Analytics program and request deletion of your personal data by visiting https://www.t-mobile.com/privacy-center.

What you can do

⚠️ These actions may provide transparency or partial mitigation but may not fully address the underlying issue. Effectiveness varies by jurisdiction and individual circumstances.
  • Opt Out of Arbitration
    Go to https://www.t-mobile.com/privacy-center and opt out of the Advertising & Analytics program to prevent T-Mobile from using your network browsing data for targeted advertising purposes.

Applicable agencies

  • FTC
    The FTC oversees consumer data practices including network-level monitoring by ISPs used for advertising under its unfair or deceptive practices authority.
    File a complaint →
  • State AG
    State privacy laws may classify network browsing history as sensitive or protected data requiring opt-in consent or special disclosures.
    File a complaint →

Provision details

Document information
Document
T-Mobile Privacy Notice
Entity
T-Mobile
Document last updated
March 24, 2026
Tracking information
First tracked
March 20, 2026
Last verified
March 20, 2026
Record ID
CA-P-00342009
Document ID
CA-D-00342
Evidence Provenance
Source URL
Wayback Machine
SHA-256
b0f88f98f607a41544fc334cad1837b1c4e29bf8b14eab00e4e806c00535a6ca
Verified
✓ Snapshot stored   ✓ Change verified
How to Cite
ConductAtlas Policy Archive
Entity: T-Mobile | Document: T-Mobile Privacy Notice | Record: CA-P-00342009
Captured: 2026-03-20 04:06:50 UTC | SHA-256: b0f88f98f607a415…
URL: https://conductatlas.com/platform/t-mobile/t-mobile-privacy-notice/network-browsing-and-app-usage-monitoring/
Accessed: April 4, 2026
Classification
Severity
High
Categories

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