TREO
| Date | Clue |
|---|---|
| 2025-11-16 | Early smartphone model of the 2000s |
| 2023-12-31 | Bygone Palm smartphone |
| 2021-03-14 | Early smartphone model |
| 2020-04-07 | Bygone smartphone |
| 2020-01-08 | iPhone alternative, once |
| 2019-01-08 | Old Palm smartphone |
| 2015-11-12 | Early smartphone |
| 2013-09-14 | Smartphone preceded by the Pre |
| 2012-02-01 | Palm product |
| 2012-01-25 | Palm smartphone |
| 2011-03-13 | Palm phone |
| 2010-10-24 | Early smartphone |
| 2010-04-12 | BlackBerry rival |
| 2010-02-14 | Early smartphone |
| 2009-11-17 | Smartphone introduced in 2002 |
| 2008-03-30 | BlackBerry rival |
| 2007-09-01 | Palm smartphone |