What are the hidden fees to watch out for when adding a line to T-Mobile on an older legacy family plan that is no longer advertised?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What are the hidden fees to watch out for when adding a line to T-Mobile on an older legacy family plan that is no longer advertised?
2 real searches · 1 real-search pass
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (2)
Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT2 real searches · gpt-6
T-Mobile add a line legacy grandfathered plan fees device connection charge taxes fees 2026 Google ↗
T-Mobile support add a line grandfathered plan activation fee device connection charge taxes fees legacy plans Google ↗
- Our Best Unlimited Data Cell Phone Plans: Compare Experience Plans · t-mobile.com
- Add A Line - Add a Person or Device to Your Account · t-mobile.com
- T-Mobile bungled forced plan migration, canceling some users' free lines · arstechnica.com
- T-Mobile closing 1,100 legacy plan codes, with price increases likely · 9to5mac.com
- Your bill and what's impacting it | T-Mobile Support: Help with Devices, Plans, Billing & More · t-mobile.com
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
T-Mobile add a line legacy grandfathered plan fees device connection charge taxes fees 2026 OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
T-Mobile support add a line grandfathered plan activation fee device connection charge taxes fees legacy plans OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 |