CERTIFIED DEVICE DETAILS
Below are all of the certified versions of this device.
Manufacturer: | Sony Corporation |
Model Name/Number: | W20i (AAD-3880083-BV) |
Technologies and Bands: | (3G) UMTS FDD: Band I Band VIII (2G) GSM: 850 MHz 900 MHz 1800 MHz 1900 MHz |
Certification Date | Hardware Version | Software Version |
---|---|---|
2011-01-14 | A | R7EA011 |
2010-11-24 | A | R7DA066 |
2010-10-22 | A | R7DA065 |
2010-10-06 | A | R7DA063 |
2010-10-01 | A | R7DA062 |
2010-09-24 | A | R7DA058 |
2010-09-23 | A | R7DA056 |
2010-09-23 | A | R7DA054 |
2010-09-23 | A | R7CA065 |
2010-09-23 | A | R7DA052 |
2010-09-22 | A | R7DA050 |
2010-07-15 | A | R7CA064 |
2010-07-07 | A | R7CA062 |
2010-07-07 | A | R7CA061 |
2010-07-01 | A | R7CA058 |
2010-07-01 | A | R7CA057 |
2010-06-22 | A | R7CA056 |
The PTCRB certification program provides confidence that devices conform with global standards and perform optimally on mobile wireless networks.
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