According to the Helium (HNT) team, a Helium upgrade will take place on Oct 19 2021, 0:00 UTC. Gate.io supports this upgrade and will suspend Helium (HNT) deposits and withdrawals during the process. Deposits and withdrawals will be resumed as soon as possible after this upgrade. HNT trading will not be affected during the upgrading.

Thank you for your understanding and continued support.

Learn more:
https://github.com/helium/blockchain-node/releases