According to the THETA team, a mandatory THETA upgrade will take place at block# 12,749,952, estimated on Nov 8, 02:00 UTC. Gate.io supports this upgrade and will suspend THETA deposits and withdrawals during the process. Deposits and withdrawals will be resumed as soon as possible after this upgrade. THETA trading will not be affected. Thank you for your understanding and continued support. The Theta version 3.1.2 contains fixes for Trezor users to successfully sign transactions. Learn more: https://medium.com/theta-network/theta-version-3-1-2-85ef2b06a90c