CERTIFIED DEVICE DETAILS
Below are all of the certified versions of this device.
| Manufacturer: | Microsoft |
| Model Name/Number: | 309.1 (RM-844) |
| Technologies and Bands: | (2G) GSM: 850 MHz 1900 MHz |
| Certification Date | Hardware Version | Software Version |
|---|---|---|
| 2012-09-04 | 0204, 0304, 0310 | tn5.62 |
The PTCRB certification program provides confidence that devices conform with global standards and perform optimally on mobile wireless networks.
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