Follow these steps to use voice chat in Roblox Mobile:
Full Answer
check to see if you have any coregui scripts. If that doesn’t work try what @DraconicChris said. If that doesn’t work then it is most likely due to the downtime. There has been multiple reports that chat is laggy or doesn’t work.
To be able to enable voice chat, you must first be at least 13 years old and verify your age. To do this, sign in to your Roblox account and open My Settings. If you have not confirmed your age yet, you will see an option to underneath your birthday information.
How to Turn on Safe Chat on Roblox. Enter your username and password into the “Member Login” box on the main Roblox site. Click “My Roblox” in the menu near the top of the page. Scroll down near the bottom of the Account page. Click the “Update” button to save your safe chat settings.
With Voicemod, you can change voices on the fly and even use hundreds of soundboard effects to make your games with friends even more hilarious. Want to use meme sounds during Roblox Squid Game matches, or scare your friends with a new voice?
Note: All Roblox users must be age 18 or over to enable voice chat. Users must also verify their age by uploading Photo ID to a portal provided by Roblox. If users do not meet either of these requirements, all voice chat features will most likely be disabled and restricted from their account. Check out our Roblox Voice Chat Guide for more detailed explanations concerning these requirements.
With these steps completed, users with voice chat enabled should be able to communicate with each other in most Roblox experiences.