Thanks for the input guys.

It turned out that the radio battery is ok. I took off the back cover and tried to take it out. I pulled really hard but it didnt budge. Then I used pliers, that didnt exactly help either. After all that pulling thetrasmitter turned on... I guess that the plug is loose but wont come out... Anyways I will use it for tge sim but cant trust it in the air.

Also, I know that this is a debatable topic, but is the break in in the manual correct? It sais to 4 stroke it a full power for 1 min, then 2 stroke for 10 sec then 4 stroke for 10 sec etc ect. Until the tank is empty. If this is the way to do it then I will need something to turn the valve as mine for some reason did not come with a limiter.

It also sais to use atleast 18 percent oil. My fuel is 16 percent lube from byrons and is classified as four stroke fuel. Would it be Ok to use this or should I just buy different fuel?