CERTIFIED DEVICE DETAILS
Below are all of the certified versions of this device.
Manufacturer: | Microsoft |
Model Name/Number: | RM-977_b |
Technologies and Bands: | (3G) UMTS FDD: Band I Band II Band V Band VIII (2G) GSM: 850 MHz 900 MHz 1800 MHz 1900 MHz |
Certification Date | Hardware Version | Software Version |
---|---|---|
2015-06-23 | 2205, 2320, 3020, 3030, 4020, 4030 | 02040.00021.15235.50019 / 02040.00021.15235.50000 |
2015-03-26 | 2205, 2320, 3020, 3030, 4020, 4030 | 02040.00021.15053.36000 |
2014-06-23 | 2205, 2320, 3020, 3030, 4020, 4030 | 01061.00062.14216.48014 / 01061.00062.14216.48000 |
The PTCRB certification program provides confidence that devices conform with global standards and perform optimally on mobile wireless networks.
Copyright © CTIA Certification 2021. All rights reserved.