Compare Siemens AL21
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| Dimensions | 87 x 46 x 19 mm |
| Weight | 78 grams |
| Stand-by | 1.3 week |
| Talk time | 5 hour |
| Slider | |
| Directional key | 4-way |
| Voice command | |
| Voice dialing | |
| Color display | Adjustable display brightness, 65.536 colors (16 bits), TFT |
| 130 x 130 pixels, 7 lines |
| Integrated antenna | |
| Integrated handsfree speaker | |
| Vibrating alert | |
| Tri band | |
| GPRS | |
| Alarm clock | |
| Calculator | |
| Converter | |
| Date and time notation | |
| Phonebook with groups | |
| Reminder list | |
| Stopwatch & countdown timer | |
| To-do list | |
| Voice memo | |
| Automatic switch on/off phone | |
| Games | |
| Java application support | |
| Instant messaging | |
| MMS | |
| Predictive Text Input | T9 |
| SMS | Group messaging, Receive and send concatenated messages |
| Internet browser | |
| Polyphonic ringtones | 32-tone polyphonic ringtones |
| Internal memory | |
| 1.5 MB |
| Synchronisation | SyncML |
| Tethering | |
| WAP | 2.0 |
| Battery | User replaceable |
