CERTIFIED DEVICE DETAILS
Below are all of the certified versions of this device.
| Manufacturer: | Microsoft |
| Model Name/Number: | 308.1 (RM-852) |
| Technologies and Bands: | (2G) GSM: 850 MHz 1900 MHz |
| Certification Date | Hardware Version | Software Version |
|---|---|---|
| 2013-06-04 | 0202, 0302, 0308, 0402, 0622, 0624, 0626 | 08.13 |
| 2013-03-28 | 0202, 0302, 0308, 0402, 0522, 0622, 0624, 0626 | 07.55 |
| 2012-11-15 | 0202, 0302, 0308, 0402, 0522 | 05.85 |
| 2012-10-03 | 0202, 0302, 0308, 0402, 0522 | 05.80 |
| 2012-09-11 | 0202, 0302, 0308, 0402 | tnd5.62 |
The PTCRB certification program provides confidence that devices conform with global standards and perform optimally on mobile wireless networks.
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