Possible to add an option to revert to a previous firmware version

So, the only thing the latest printer firmwares on the MFC-L3770CDW's seem to do is lock out more and more non-Brother branded toner cartridges (Brother wants to sell you hugely marked up toner cartridges). It would be nice to be able to

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Possible to add an option to revert to a previous firmware version · Issue #30 · CauldronDevelopmentLLC/oh-brother · GitHub

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