Copy and Paste Minecraft Commands (Xbox one)?

Is there any way to add commands from the internet to command blocks? There are commands that are mega long and don't feel like sitting around for 80 years. I know one way to simply use a keyboard but don't have any.

I think it works without a keyboard and

The commands won't work in the Bedrock Edition anyway as soon as there's NBT data in a command.

Some commands also have a different syntax in the Bedrock Edition.

Yes, I just noticed. So I transferred the commands with my cell phone and none of them worked