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The Z22 was one of the first of Palm Inc.’s handhelds to be released under the new Palm brand and the first to be released without the Zire moniker. Released on October 12 2005 it replaced the monochrome Zire 21 and was priced at $99 USD. The Palm Z22 came with Palm OS Garnet 5.4.9 preloaded and it is not upgradable. It featured a 200 MHz Samsung S3C2410 ARM processor developed around the 32-bit ARM920T core that implements the ARMv4T architecture.