There are other points to consider about lifetime as well, in old thread about this: https://forums.puri.sm/t/how-long-is-the-lifetime-of-librem-5/, particularly have a look at these good comments: How long is the lifetime of Librem 5? - #16 by amosbatto and How long is the lifetime of Librem 5? - #19 by amosbatto (we even made graphs about this back then 
…wayyyy before we even had the device).
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