Providing liquidity with Uniswap V3 on BNB chain works in a similar manner as Ethereum.
Follow the steps in this help center article “How to provide liquidity on Uniswap V3” to learn how to select a pair, a fee tier, a price range, and a deposit amount.
As an BNB Chain Liquidity Provider you will only earn fees from trading volume on BNB Chain. Currently there is no trade routing between networks. Network fees associated with pair creation, deposits, and withdrawals will be significantly cheaper than Layer 1 Ethereum.
To learn how to bridge tokens to BNB Chain, read our article “How to deposit and withdraw tokens using the Celer Bridge”.
Read our help center article “How to switch networks” to learn how to switch networks in the Uniswap app.