Mini B was rated for something like 10x fewer insertion cycles than micro B, the retaining tabs would give out and the connector would fall off… or worse, twist and break the socket’s inner plastic bit.
In my experience, Mini B was mostly used for data transfer, along with some other port to do the charging. Micro B got introduced as the “all in one” data+charging port. I’ve seen both kinds of ports break, but only the Mini B ones that were also used for charging; the data-only ones, were fine.
My conclusion is that charging ports use more insertion cycles and are more likely to break, and I keep magnetic charging adapters in all of them (as a side effect, twisting the cable or pulling at an angle just disconnects it, instead of breaking the port).
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Mini B was rated for something like 10x fewer insertion cycles than micro B, the retaining tabs would give out and the connector would fall off… or worse, twist and break the socket’s inner plastic bit.
For some reason I always had fewer problems (meaning none) with mini B breaking than with micro B or C breaking.
In my experience, Mini B was mostly used for data transfer, along with some other port to do the charging. Micro B got introduced as the “all in one” data+charging port. I’ve seen both kinds of ports break, but only the Mini B ones that were also used for charging; the data-only ones, were fine.
My conclusion is that charging ports use more insertion cycles and are more likely to break, and I keep magnetic charging adapters in all of them (as a side effect, twisting the cable or pulling at an angle just disconnects it, instead of breaking the port).