You find a seller who accepts "Cash Deposit to Bank." You walk into their specific bank branch, deposit physical cash into their account, and upload the receipt.
You create an order on their app, which generates a barcode. You take that barcode to a participating cashier, pay with cash, and the Bitcoin is sent to your wallet. cheapest way to buy bitcoin with cash
Insert cash directly into the machine and scan your wallet QR code. You find a seller who accepts "Cash Deposit to Bank