Thanks for reaching out. What device are you on? Have you tried the steps outlined in this Help Center article to change your channel name: https://goo.gl/Mai4AZ ? Also, channel name can be changed only thrice in 90 days. Keep us posted.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Thanks for reaching out. What device are you on? Have you tried the steps outlined in this Help Center article to change your channel name: https://goo.gl/Mai4AZ ? Also, channel name can be changed only thrice in 90 days. Keep us posted.