Basically, there is no way for you to find your user ID in the mobile version of Roblox. The main reason is because there will be no profile URL in the mobile version. For those who want to see your profile URL you will have to visit the browser version of Roblox.
Full Answer
Before you can get your user ID, you need to log in to your Roblox account. If you’ve used Facebook to create a Roblox account, tap on “Facebook” to log in with Facebook. On the other hand, if you’ve created your Roblox account using a username/email, you need to log in using your username/email.
After you’ve tapped on your profile icon, you’ll land on your Roblox profile. On your Roblox profile, you’ll see your profile information. This includes your username, friends, followers, following, bio, and more. Your Roblox user ID is located in your profile URL.
In Roblox, you can change your display name by navigating to your settings and clicking on the “Edit” icon next to “Display Name”. Unlike your display name, you cannot change your user ID. The value of your user ID will always remain the same.
Login to Roblox with your username and password. Or you can use the Quick Login feature. Then tap on your profile picture on top and tap on the URL in the mobile browser. The number will be shown right there.
0:552:08How To Find Your Roblox User ID on Mobile (IOS / Android) - YouTubeYouTubeStart of suggested clipEnd of suggested clipIn the browser go to roblox.com. On this landing page tap continue in browser. You'll now need toMoreIn the browser go to roblox.com. On this landing page tap continue in browser. You'll now need to log into your roblox.
0:141:17How To Get Your Roblox User ID On Mobile - YouTubeYouTubeStart of suggested clipEnd of suggested clipOn your username. And from here all you have to do is hit the roblox. And then right next to userMoreOn your username. And from here all you have to do is hit the roblox. And then right next to user here you're going to have this number.
Description: The UserId is a Player property that contains a read-only integer that uniquely and consistently identifies every user account on Roblox. Unlike the Instance.Name of a Player, which may change according the user's present username, this value will never change for the same account.
A unique identifier for a player of the game.
1:002:07How To Get Roblox User ID on iPhone & iPad (iOS) - YouTubeYouTubeStart of suggested clipEnd of suggested clipNow that you are on your profile. Page tap on the url bar of the browser to see the url. You'll seeMoreNow that you are on your profile. Page tap on the url bar of the browser to see the url. You'll see it says roblox.com slash users slash followed by a number this number is your unique user id.
4:216:02[OUTDATED] How to Upload AUDIO to ROBLOX - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd what we can do I we going to copy my audio. That I already made here so I'm actually just goingMoreAnd what we can do I we going to copy my audio. That I already made here so I'm actually just going to go back to my create page and this is how you get your audio. You go down to audio.
After you’ve clicked on “Continue in browser”, Roblox will open in your browser.
After you’ve tapped on your profile icon, you’ll land on your Roblox profile.
After you’ve tapped on the URL at the top of the page, you’ll be able to see your profile URL.