Gaming DSi XL disassembly question

[mondul]

Hi, I was looking through some disassembly tutorials and when I opened one of my DSi XLs I found this:

I bought it second handed so it seems it was repaired previously. What would be the purpose of this?

 

[DEEP_STEEL]

hmmm..... even i wonder what these 2 wires are for....

 

[Dragowolf33]

It kinda looks like it might have been hardmodded...