My one year research tends to reveal that majority of meaningful POS business in the rural and urban areas of each state in Nigeria are owned by staffs of financial institutions which makes money to be scarce during transaction inside the bank and in pos.
Most of these bankers ensure that the atm machines in their various bank are inundated with issues from lack of supply of funds to man-in-the-middle network issues thereby forcing customers to make use of pos.
On weekends, u hardly see money in the various ATM outlets rather, POS service will be available even on Sunday .

I want CBN to stop bank staffs from this act because a lot of fraudulent acts are masterminded from inside bank

Post Coro wahala.Coro really wrecked havoc

You're very correct imagine I have enter the rain yesterday to withdraw no bank seems to be working

Nigerians are too corrupt.

What I know is that come rain come shine the ATMs at UBA on Ikorodu Road near Mile 12 always has cash to dispense!