So my batch 2 unit wouldn't work out of the box. The display was showing the IP as 127.0.0.1. After a bit of messing around, I figured the SD card was to blame and that a reflash was in order.
To anyone else that gets this, you can usually clear it by simply pressing and holding the reset button [on the LCD].
That didn't work in my case, I attempted that twice. Absolutely had to reflash the SD card.
Fixed
Hi, I need to know how to reflash with SD card. Please explain if I would appreciate the help
You'll need to take the SD card out of the S4 and flash it using a full image on a PC. Do you have a laptop with an SD slot or something to write to the card?
Gotta love natural Canadian cooling. 
And it isn't even winter yet. If you're wondering, temps are showing 0 because S4's temp sensors don't register below 20c.
And it isn't even winter yet. If you're wondering, temps are showing 0 because S4's temp sensors don't register below 20c.
So, how cold is it outside where you are?
0c right now. (32f)