Could you please do (something) for me?
This is a polite way to ask someone to do something for you.
Examples
もう少し待っていただけませんか？
Could you please wait a little longer?
手伝っていただけませんか？
Could you please help me?
もう一度説明していただけませんか？
Could you please explain it again?
Quick check
Could you please help me?