Transfer NFT update authority
Move many Metaplex Token Metadata NFTs to a new update authority and creator. It takes two steps with two wallets: the current update authority transfers them, then the new creator verifies itself.
No wallet connected on Mainnet. Change it in the wallet menu; your wallet should be on the same network.
0 mints
For a Squads multisig, use its vault address, not the multisig account.
Connect the wallet that was added as a creator in step 1. It signs a verification for each NFT; no update authority is needed.