The wig-wearing bandit nabbed for a Manhattan bank heist on Saturday is a convicted felon who claimed to be packing a bomb during the robbery, prosecutors revealed on Sunday.

The suspect — who is listed on official records as “John Sidney” but identifies as a woman and “prefers Miss Sidney,” according to her lawyer — appeared for her arraignment in Manhattan Criminal Court wearing the same long, black wig in which she was arrested.

Sidney, 46, strolled into a Chase branch on Sixth Avenue near West Fourth Street around noon Saturday and slipped a teller a note that said in substance, “I have a homemade bomb,” prosecutors said.

Sidney fled the West Village bank with $850 in cash, and made her getaway in a yellow taxi, according to authorities.

Little did Sidney know that cops pieced together that she’d gotten into the cab, and were text messaging the hack as he drove her to Brooklyn.

Sidney was arrested shortly after getting out of the taxi at Throop Avenue and Van Buren Street in Bedford-Stuyvesant.

She has 25 prior arrests — including one in Aug. 2017 for robbing another Chase bank in Brooklyn by passing a note — and five felony convictions, officials said.

Sidney admitted “on video” to stealing the money “in order to buy drugs and then sell them,” prosecutors said at the arraignment.

Bail was set at $100,000 bond or cash.

Additional reporting by Ben Feuerherd