If you replace the PCB,Base Board and Function Extension Cords, you could change the old version V912 into new v912 with functions.
Item Name: New PCB
Usage:For WLtoys V912 RC Helicopter
Note:not for brushless version
1 x New PCB
If your new version and old version v912 has the functions such as:Bubble Blower,Water Cannon,Missile Launcher,Hook & Basket ,you need to buy the function extension cords. Because the old wire of the accessories is not long enough.