How do you delete a YouTube channel from your phone? 
Step1: On your iOS or Android smartphone, launch the YouTube Studio app.
Step2: Go to Settings; you can access settings by tapping on the menu.
Step3: Now select Channel > Advanced Settings > Remove Youtube Content > I want to Permanently Delete my Content > Delete my Content.
How to Delete a YouTube Channel from a Mobile Device:
How do you delete a YouTube channel from your phone?
You can do this by using the YouTube Studio app or by visiting YouTube on your mobile device. After logging in, go to Settings > Channel > Advanced Settings > Remove YouTube Content.
How do you deactivate your YouTube channel?
Navigate to YouTube in your browser and select Settings > Advanced Settings > Delete Channel.
On mobile 2022, how can you deactivate a YouTube channel?
A YouTube channel cannot be deleted immediately from the YouTube app. Log into Youtube Studio or utilise Youtube.com on your mobile browser to do so. Then select Settings > Advanced Settings > Delete Channel.
How can I unsubscribe from a YouTube channel without logging in?
It is possible, but you will also deactivate your Google Account in addition to your YouTube channel.
How do I unfollow a YouTube channel on my iPhone?
To cancel a YouTube channel, you can utilise the YouTube Studio app or delete your YouTube account from your iPhone. To deactivate a YouTube Channel on mobile, follow the steps outlined above.
Without YouTube Studio, how can I erase a YouTube channel from my phone?
Simply navigate to Youtube.com on your mobile browser. Select Advanced Settings > Delete My Channel from the Settings menu.