You can change your username once every 30 days from the account settings link here: https://account.mojang.com/me/settings Please note we're unable to make exceptions on the 30 day grace period. I hope this helps! ^SA
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
You can change your username once every 30 days from the account settings link here: https://account.mojang.com/me/settings Please note we're unable to make exceptions on the 30 day grace period. I hope this helps! ^SA