You cannot currently use a Ledger Flex hardware wallet directly with Trust Wallet to create or participate in a multisig wallet. Trust Wallet does not natively support hardware wallet integration—Ledger Flex included—as a direct signer within its multisig functionality.

Details and Workflow

• Ledger Flex multisig usage: Ledger Flex works as a secure hardware signer for multisig setups, but only with external multisig-compatible platforms such as Safe (for Ethereum/EVM chains), Unchained (for Bitcoin), Argent X, Electrum, or other supported third-party wallets—not with Trust Wallet[1][2][3].

• Trust Wallet and hardware support: While Trust Wallet integrates some hardware support via its browser extension for standard (single-sig) accounts, it currently does not provide a workflow to add a Ledger Flex device as a signer in a Trust Wallet multisig—either for Bitcoin, Ethereum, or other supported chains[1][3][5].

• How multisig works with Ledger Flex: To use Ledger Flex in a multisig wallet, you:

• Set up the multisig wallet using compatible platforms (e.g., Safe for Ethereum, Unchained for Bitcoin).
• Add each participant’s Ledger device (Flex, Stax, Nano) as a distinct signer.
• Require each signer to connect their own device and approve transactions as needed[1][2][3][4].

What to Use Instead

• For Ethereum/EVM multisig with hardware security: Use Safe (formerly Gnosis Safe), where each signer can be a Ledger hardware wallet. Safe is the leading solution for hardware-secured multisig on Ethereum chains[3].

• For Bitcoin multisig with hardware security: Use Unchained, Caravan, or Electrum, all of which natively support Ledger signers in multisig configurations[2][3][4].

Summary Table

In summary: You cannot use Ledger Flex as a multisig signer inside Trust Wallet, as hardware multisig integration is not supported there. Use Safe for EVM chains or Unchained/Electrum for Bitcoin to combine Ledger Flex with industry-standard multisig workflows[1][2][3][5].