CERTIFIED DEVICE DETAILS
Below are all of the certified versions of this device.
| Manufacturer: | Microsoft |
| Model Name/Number: | 6820b |
| Technologies and Bands: | (2G) GSM: 850 MHz 1800 MHz 1900 MHz |
| Certification Date | Hardware Version | Software Version |
|---|---|---|
| 2005-06-17 | 1731, 2031, 2131 | 5.90, IMEISV 84 |
| 2005-06-17 | 1731, 2031, 2131 | 5.30, IMEISV 90 |
| 2005-01-28 | 1731, 2031, 2131 | 5.89 (83) |
| 2004-11-09 | 1731, 2031, 2131 | 5.28 (SV78 ) |
| 2004-11-09 | 1731, 2031, 2131 | 5.88 (SV82 ) |
| 2004-10-01 | 1731, 2031, 2131 | 5.86 (SV80) |
| 2004-10-01 | 1731, 2031, 2131 | 5.27 (SV77) |
| 2004-08-02 | 1731, 2031, 2131 | 5.24 (SV74), 5.84 (SV75) |
| 2004-07-15 | 1731, 2031, 2131 | 5.21 (SV 71) |
| 2004-06-10 | 1731, 2031 | 4.25 (SV 65) |
| 2004-06-08 | 1731, 2031 | 4.83 (SV 64) |
| 2004-05-14 | 1731, 2031 | 4.20 (SV59), 4.22(SV61), 4.82(SV62) |
| 2004-02-11 | 1731 | 3.70 (SV 27) |
| 2004-02-10 | 1731 | 3.92 (SV25) |
The PTCRB certification program provides confidence that devices conform with global standards and perform optimally on mobile wireless networks.
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