CERTIFIED DEVICE DETAILS
Below are all of the certified versions of this device.
| Manufacturer: | Microsoft |
| Model Name/Number: | RM-357 / E71-2 |
| Technologies and Bands: | (3G) UMTS FDD: Band II Band V (2G) GSM: 850 MHz 900 MHz 1800 MHz 1900 MHz |
| Certification Date | Hardware Version | Software Version |
|---|---|---|
| 2010-08-27 | 0513, 0706, 0940, 0941, 0945 | 501.21.001 |
| 2010-08-23 | 0513, 0706, 0940, 0941, 0945 | 411.21.001 |
| 2010-06-17 | 0513, 0706, 0940, 0941, 0945 | 500.21.009 |
| 2010-03-23 | 0513, 0706, 0940, 0941 | 410.21.010 |
| 2010-02-02 | 0513, 0706, 0940, 0941 | 302.21.002 |
| 2009-11-04 | 0513, 0706, 0940, 0941 | 400.21.013 |
| 2009-10-08 | 0513, 0706, 0940, 0941 | 400.21.012 |
| 2009-03-19 | 0513, 0706, 0940, 0941 | 210.21.006 |
| 2009-02-10 | 0513, 0706, 0940, 0941 | 210.21.005 |
| 2009-01-06 | 0513, 0706, 0940, 0941 | 111.07.130 |
| 2008-12-09 | 0513, 0706, 0940, 0941 | 200.21.118 |
| 2008-12-01 | 0513, 0706, 0940 | 200.21.98 |
| 2008-10-17 | 0513, 0706, 0940 | 110.07.127 |
| 2008-09-19 | 0513, 0706, 0940 | 110.07.124 |
| 2008-09-17 | 0513, 0706, 0940 | 102.07.81 |
| 2008-09-17 | 0513, 0706, 0940 | 101.07.79 |
| 2008-07-01 | 0513, 0706, 0940 | 100.07.76 (SV 01) |
The PTCRB certification program provides confidence that devices conform with global standards and perform optimally on mobile wireless networks.
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