CERTIFIED DEVICE DETAILS
Below are all of the certified versions of this device.
Manufacturer: | Microsoft |
Model Name/Number: | RM-271/6555 |
Technologies and Bands: | (3G) UMTS FDD: Band I Band V (2G) GSM: 850 MHz 900 MHz 1800 MHz 1900 MHz |
Certification Date | Hardware Version | Software Version |
---|---|---|
2008-09-15 | 5020, 5021, 5022, 5023, 5024 | 3.43 |
2008-01-28 | 5020, 5021, 5022, 5023, 5024 | 3.41 [SV 09] |
2007-12-18 | 5020, 5021, 5022, 5023, 5024 | 3.40 [SV 08] |
2007-11-12 | 5020, 5021, 5022, 5023, 5024 | 3.39 [SV 07] |
2007-11-12 | 5020, 5021, 5022, 5023, 5024 | 3.38 [SV 06] |
2007-10-10 | 5020, 5021, 5022, 5023, 5024 | 3.31 [SV 03] |
2007-09-13 | 5020, 5021 | 3.31 [SV 03] |
2007-08-29 | 5021 | 3.31 [SV 03] |
The PTCRB certification program provides confidence that devices conform with global standards and perform optimally on mobile wireless networks.
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