A reversible 8-pin plug and socket for Apple mobile devices (the plug inserts in either orientation). Lightning is one end of the cable, with USB Type A at the other. Introduced in 2012 with the ...
However, Mu Ziwen shows a full pin replacement process using a pretty basic toolset, seemingly completed pretty swiftly, too.
The key difference between the two was that Socket 7 had an extra pin for dual split rail voltage versus Socket 5's single voltage. Super Socket 7 didn't arrive until 1998 and served as a stopgap ...