Click the OK button. Fix #8: Delete and reinstall Roblox. If nothing has worked up to this point, the last fix that you can try is to delete and then reinstall Roblox.

Fix #7: Delete and reinstall Roblox. The last solution in this situation is optional and is likely not needed at this point.

How to update iPhone apps: Launch the Apple App Store. Tap on your profile icon, in the top-right corner. Under the Upcoming Automatic Updates section, find Roblox and hit Update next to it ...