REX OS
REX OS is a Qualcomm operating system kernel used in Samsung and other Korean feature phones, as well as Motorola.
Confirmed models:
- Samsung F480
- Verzio Duplii (also mentioned as Philips NXP OS)
- LG BL40 New Chocolate
- Pantech Matrix
- LG VX9000 aka LG enV (the relation to Franklin/Xircom REX organizers is questionable)
- LG CU500
- Motorola CDMA RAZRs in general