On my previous guide, I taught players how to shoot if they didn't know and I got a lot of people requesting a "Jumping" tutorial which I didn't even know the game had to offer. I spent a few hours looking everywhere online to see if there was a solution but I couldn't find anything. I decided to take the harder route and figured it out myself. I eventually found a solid method that you can use if you want to jump in Bo3 all by yourself. The first thing you need is a keyboard-(You can generally find those online)-then you need to use your finger to push down on the space-bar button in-game and then it should end up working! Let me know if I helped you out and feel free to write a comment if you need more help.