please check and follow these instruction
1.update them to the latest version: iOS : https://itunes.apple.com/us/app/vite-official-hd-wallet/id1437629486?mt=8
Android : https://play.google.com/store/apps/details?id=net.vite.wallet
2. read the airdrop missions here https://forum.vite.net/topic/1972/vite-airdrop-first-update
3. update us the result
@Neroni_matteo switch to the address your u logged in with that twitter. or maybe this twitter is already registered/logged in by someone else (perhaps your other device )
@macbenah it means there is another VITE user using same IP with you, what you should do is to wait for next 24 hours after that user's claim or using another Interntet connection
