CERTIFIED DEVICE DETAILS
Below are all of the certified versions of this device.
| Manufacturer: | Lenovo |
| Model Name/Number: | ThinkPad L420, ThinkPad L421 |
| Technologies and Bands: | (3G) UMTS FDD: Band I Band II Band IV Band V Band VIII (2G) GSM: 850 MHz 900 MHz 1800 MHz 1900 MHz |
| Certification Date | Hardware Version | Software Version |
|---|---|---|
| 2012-01-06 | ThinkPad HW: Rev 1.0, MC8355 HW P4 | ThinkPad SW: Rev 1.0, MC8355 FW 1580 |
| 2011-01-28 | ThinkPad HW: Rev 1.0, MC8355 HW P4 | ThinkPad SW: Rev 1.0, MC8355 FW 1575 |
| 2011-01-25 | ThinkPad HW: Rev 1.0, MC8355 HW 4 | ThinkPad SW: Rev 1.0, MC8355 FW 1574 |
The PTCRB certification program provides confidence that devices conform with global standards and perform optimally on mobile wireless networks.
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