| Clue | Source | Date |
|---|---|---|
| Sprint competitor | New York Times | 07 Jan 2018 |
| Sprint competitor | ||
| T-Mobile rival | New York Times | 12 Apr 2017 |
| Communications giant ... or a possible title of this puzzle | New York Times | 03 Jan 2017 |
| Communications giant ... or a possible title of this puzzle | ||
| T-Mobile rival |