# The shift affects both T-Mobile's direct customers and those using its infrastructure via MVNOs like Mint.

*web3 · news · 2026-04-06 · PhoneArena*

## Key points

- T-Mobile updated its network security standards on April 1 to the latest NIST-aligned version.
- Devices released in or before 2017 may lose features like call forwarding and caller ID on T-Mobile.
- The update affects both T-Mobile customers and those using MVNOs like Mint Mobile.
- It is unclear if impacted users will receive free or discounted hardware replacements for incompatible devices.

**Companies:** T-Mobile, Mint Mobile
**Countries:** United States

[Read the full story on PhoneArena](https://www.phonearena.com/news/t-mobile-network-security-update_id179477)

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