Spy options:
- Spyphone to bug a room or person
- Read their SMS, EMAIL and Call Logs
- Listen to actual phone calls (intercepting)
- Use as a secret mobile gsm tracker
- Change phones as often as you like

The Cingular 2125 sports the ordinary compliment of Windows Mobile 5.0 system applications, Messaging, Contacts, Colander, Internet Explorer, ActiveSync, Call History, Pictures and Videos, , Windows Media (10.2 build 14406), Pocket MSN, Tasks, Speed Dial, Voice Notes, Download Agent, Bubble Breaker, and Solitaire. Additionally, the Cingular 2125 comes with Comm Manager, File Manager, GetGood (URL), Midlet Manager MIDP 2.0 (Toa Group Ltd), Task Manager, Calculator, Clear Storage, Modem Link, Video Recorder, Camera, from HTC.

General:
- The Cingular 2125 is designed to work on the 850/900/1800/1900MHZ GSM/GPRS/EDGE networks:
* US (850/1900 MHz)
* Canada (1900 MHz)
* Europe/Asia (1800 MHz)
- Multislot configuration
- GPRS / EDGE