Unlock Sendo M550
Unlocking Sendo M550 with Smart-Clip, a professional GSM device that can unlock Sendo M550 and a number of other Sendo phones. 
  
    
| General |  
| Network | GSM 900 / GSM 1800 |  
| Announced | 2003, 2Q |  
| Size |  
| Dimensions | 82 x 45 x 20 mm, 68 cc |  
| Weight | 77 g |  
| Display |  
| Type | CSTN, 4096 colors |  
| Size | 128 x 128 pixels |  
 | - Second display, inverse, 96 x 64 pixels |  
| Ringtones |  
| Type | Polyphonic (32 channels) |  
| Customization | Download,  |  
| Amount | 15 + custom |  
| Vibration | Yes |  
| Memory |  
| Phonebook | 500 |  
| Call records | 10 dialed, 10 received, 10 missed calls |  
| Card slot | No |  
 | - Dynamic memory |  
| Features |  
| GPRS | Class 8 (4+1 slots) |  
| Data speed | 32 - 40 kbps |  
| Messaging | SMS, EMS |  
| Clock | Yes |  
| Alarm | Yes |  
| Infrared port | No |  
| Games | 3 - Ten Pin ,KombatClub and Splat |  
| Colors |   |  
 | - WAP 1.2.1 - T9 |  
| Battery |  
 | Standard battery, Li-Ion |  
| Stand-by | 180 h - 400 h |  
| Talk time | 2 h - 5 h |  
     
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