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Manufacturer: Microsoft
Model Name/Number: 5310b Xpress Music (RM-304)
Technologies and Bands:
(2G)
GSM: 850 MHz   1800 MHz   1900 MHz  
Certification DateHardware VersionSoftware Version
2008-12-170380, 0382, 0390, 0391, 0392, 039309.42
2008-11-180380, 0382, 0390, 0391, 0392, 0393, 039408.22
2008-09-150380, 0382, 0390, 0391, 0392, 0393, 039408.21
2008-08-110380, 0382, 0390, 0391, 0392, 039308.32
2008-06-300380, 0382, 0390, 0391, 0392, 039308.20 [SV 50]
2008-06-040380, 0382, 0390, 0391, 0392, 039307.01 [SV 46]
2008-02-250380, 0382, 0390, 0391, 039205.91 [SV 30]
2007-11-060380, 0382, 0390, 039103.63 (SV 10)

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