accidently updating, now my modded 360 wont run copied games

hi newbie here, just bought a copy 360 games (Ace Combat: assault horizon) but accidently push update button, now my modded 360 not modded anymore plus my dashboard changed to kinect version, then i read somewhere in internet that need flashing back your xbox drive to stock firmware? i tot i can DIY but after see the tutorial duhh very complicate mang. so how much do you charge for this flashing? very urgent. FYI my xbox is old version(xenon). tq

you see,
1st. what dash u are on now, gimme a number,
2nd, updating to latest dash will flash ur box to stock fw, hence the inability to play copy gamez.
u dont need ro flash back to stock procedure, this is because u already in stock.
3rd, u sure xenon? what drive are it on? it is very complicated if u dont have the drive key. have u flash ur drive before?
4th, u need to flash to LT 2.0 definitely. shop charge around rm 60-80 for it. other than that price, go to shop that have that price or lower.

or u can flash it urself if u have time, and correct drive.

FYI my xbox drive is hitachi-LG, never flashing yet. b4 updating my dashboard version is 2.0.8955.0 but now 2.0.13599.0, if I can do by myself does u have easy way? I mean without opening xbox case. If not I rather send to ur shop.what timeu open the shop?

no. i dont have a shop. wow... hitachi have no LT 2.0 yet. only have 1.1.
13599 is the dash that was before the current update. use for gears3.
no way to flash without opening ur xbox.
im just to give some advice, i dont own or mod for ppl,
i do it myself for myself,, hehe