How to change age or birthday on Roblox account using mobile. If you have no access to a computer, or if you mainly play Roblox on your smartphone or tablet, you can change your age by following ...

Make sure that you always change your birthday, even if it’s a wrong one, to 13 years of age or older to be able to change it at a later date. How to change your age on Roblox account (PC desktop)?