WD Gen 1 (i think) upgrade

WD Legacy Products WD TV Live & Live Plus
1

model:  WDAAN0000NBK

FIRMWARE:1.02.21

what is the last upgrade i can install and how do go about installing it?  thanks for any help in advance.

2

If you mean WDBAAN0000NBK, the upgrades are here:

http://www.wdc.com/wdproducts/updates/?family=wdfwdtv_live