It should be the Xecuter 2.3 since it doesn't need soldering on 1.5 xboxs but chameleon is very easy too with only two wires to solder on a 1.5 xbox
1)so with chameleon i have 2 solder two wires(is it easy) 2)is the xecuter 2.3 chip hard to flash and install (is it hard to install)?