Taser Model X26 Test Concepts [LINK]
MPB Technologies Inc., Issue Date: January 22, 2009, Revision: 4
Page 10: "Check for latest software update; if necessary, update by inserting a fresh battery pack with the latest revision software."
If you're auditing a taser to see if it does, or does not, meet the published specifications, then it should obviously be tested 'as is'. You should not allow the taser software to be updated until after the taser has been tested with the software that was already installed.
Updating the taser-under-test software before testing it is basically leaving the barn door wide open for the escape of any possible defective software loads (either defective in design, or corrupted during previous software loads). Now, I'm not aware of any evidence that there are any actual problems with the X26 taser software, but with the test process described in the Test Concepts document you'd would never find them even if they did exist.
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