Motorola C331 specifications
| Dimensions | 101 x 42 x 19 mm |
| Volume | 73 cc |
| Weight | 72 grams |
| Stand-by | 1.8 week |
| Talk time | 5.5 hour |
| Announced | February 2003 |
| Status | No longer available |
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| Monoblock | |
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| Directional key | 4-way |
| Voice dialing | |
|
| Monochrome display | 4 grey scales |
| 96 x 64 pixels, 3 lines |
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| Integrated antenna | |
| User exchangeable covers | |
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| Vibrating alert | |
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| Dual band | |
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| GPRS | |
| Personal Information Management (PIM) |
| Alarm clock | |
| Calculator | |
| Converter | |
| Date and time notation | |
| Phonebook with groups | |
|
| Games | |
| Java application support | |
|
| Predictive Text Input | iTap |
| SMS | Group messaging, Receive and send concatenated messages |
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| Polyphonic ringtones | 16-tone polyphonic ringtones |
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| USB | |
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| Synchronisation | Apple iSync |
| Tethering | |
| WAP | 2.0 |
|
| Battery | User replaceable |
