Siemens S40 specifications
| Dimensions | 112 x 44 x 22 mm |
| Volume | 85 cc |
| Weight | 97 grams |
| Stand-by | 1.5 week |
| Talk time | 6 hour |
| Announced | January 2002 |
| Status | No longer available |
|
| Monoblock | |
|
| Directional key | |
|
| Monochrome display | 4 grey scales |
| 104 x 64 pixels, 5 lines |
|
| Integrated antenna | |
|
| Vibrating alert | |
|
| Tri band | |
| Personal Information Management (PIM) |
| Alarm clock | |
| Calculator | |
| Date and time notation | |
| Phonebook with groups | |
| Reminder list | |
| Voice memo | |
|
| Games | |
|
| Predictive Text Input | T9 |
| SMS | |
|
| Monophonic ringtones | |
|
| Infrared | |
| Synchronisation | |
| Tethering | |
| WAP | 1.1 |
|
| Battery | User replaceable |
