| Attribute | Ericsson T28 World × | Ericsson T28s × |
|---|---|---|
| General | ||
| Brand | Ericsson | Ericsson |
| Launch | ||
| Announced | 1999-01-01 | 1999-01-01 |
| Body | ||
| Width (mm) | 15 | 15 |
| Length (mm) | 97 | 97 |
| Height (mm) | 50 | 50 |
| Weight (g) | 83 | 83 |
| SIM | Mini-SIM | Mini-SIM |
| Network | ||
| Technology |
|
|
| 2G bands |
|
|
| Memory | ||
| Card slot | No | No |
| Display | ||
| Resolution (px) | 101 x 33 | 101 x 33 |
| Display Type | Monochrome graphic | Monochrome graphic |
| Battery | ||
| Type | Removable | Removable |
| Capcity (mAh) | Li-Po | Li-Po |
| Comms | ||
| WLAN | No | No |
| Bluetooth | No | No |
| GPS | - | - |
| Radio | No | No |
| Sound | ||
| Loudspeaker | - | - |
| 3.5mm jack | - | - |
| Phonebook | 250 | 250 |
| Alert types | Vibration; Monophonic ringtones, composer | Vibration; Monophonic ringtones, composer |
| Features | ||
| Messaging | SMS | SMS |
| Clock | Yes | Yes |
| Alarm | Yes | Yes |
| Games | 2 - Tetris, Solitarie | 2 - Tetris, Solitarie |
| Languages | 37 | 37 |
| Java | No | No |
| Stand-by (h) | 65 | 65 |
| Talk time (h) | 4 h 30 min | 4 h 30 min |