The 4W-series utility droid was introduced in 14 ABY to replace the older ULD-series, but never proved as popular as the ULD droids, prompting Republic DroidWorks to restart production of the ULD-series. By 18 ABY, the 4W-series was still on its first incarnation (4W-1).
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http://dbkwik.webdatacommons.org | 19 |