does this allow you to update sysnand?
Yes it does, but be warned it may brick.
If it's just for the spider tools, you can just update your browser, it won't brick your console.
If i just update the browser, will the acnl ram editing work?
What is the Browser Cia Number in 9.2?
0004003000009402 for US, 0004003000009D02 for EU.