crash on take off

Hello, my son and I are first timers. Wondering what we’re doing wrong trying to get the FT Tutor off the ground. At takeoff it immediately goes vertical and banks to the left or right.

Quick fpv view of a crash on takeoff because I forgot to secure the battery and it slid forward. Glad I got it on video and luckily it's repairable I think. Hopefully this works for the video https://photos.app.goo.gl/ivwZxymf1uqBJiEe8

My quadcopter is Eachine QX95 , Reciever is X6B and the transmitter is FS I6 . I am facing a problem ,where when I throttle , the drone make a brief takeoff and then just lands and gets unarmed automatically and I had to arm again and again and again and all I am getting is a short 5-10 cm...

My quadcopter is Eachine QX95 , Reciever is X6B and the transmitter is FS I6 . I am facing a problem ,where when I throttle , the drone make a brief takeoff and then just lands and gets unarmed automatically and I had to arm again and again and again and all I am getting is a short 5-10 cm...

Okay, I'm puzzled. I'm new to the hobby of RC Planes. Since I knew that I was gonna crash at first, I went for the foam board building and I bought necessary electronics. As of now I've built 5 different planes. 2 from other sites (The maker hanger 2 and the mermaid.) 1 try at my own design and...