Power & Source of Big Ideas

Who can tell me the difference between a NanoPI R5S and a NanoPI R5S-LTS?? Had an R5S, then ripped the SD card holder off taking the board out with a card in the slot (shame on me - but it still works fine) and the R5S-LTS that I ordered because I was ... well, anal (There - I said it!) Anyway - the...
English is the default, so all you <Have> to do is delete all the other luci language files:

open Service->Terminal and logon
Enter command: opkg remove luci-i18n-*-??
refresh the window and everything is in English

T
Hi-

Looking for the installation package for the emmc-tool in luci (software -> eMMC Tools)----

Where is the package located?

T
The product page for NanoPi R5S lists a "USB 2.0 Host x1: 2.54mm 4pin-header".

Where is this "Header" (Can't find on the diagrams) and how to connect?? Want to use for my UPS connection.

T