1- first step, excuse me for my mistake uploading the wrong file

2- download the file attached to this comment:
xbee_v8x13_firmwarehack.zip 3- download the XCTU ver 5.1.0.0 from
http://www.digi.com/support/productdetail?pid=3352&osvid=57&type=cabling4- install it ,but answer
No when it ask you to look for new updates
5- open xctu, go to
Modem configuration6- select your device in
Modem: XB24 for normal series1 XBP24 for pro
7- notice that you have only the standard
Function Set to choose (for the time being... ]

)
8- press
Download new versions... and a new window will appear
9- press
File... and select the new and right file uploaded here, then
Ok, then
DoneA- select your device in
Modem: XB24 for normal series1 XBP24 for pro
B- now you have 4 more
Function Set to choose, from 8013 to 8313

C- remember it's just a official beta version without support and hard to get:
http://www.digi.com/support/kbase/kbaseresultdetl?id=2182#Version 8.x.1.3