If he wasn’t robbing or trying to rob people interested in buying cellphones he’d stolen, police said, Bronx man Jovon Robinson was trying to steal them. But, Nassau County police said, Robinson’s luck ran out Tuesday, when he tried to rip off a would-be buyer in Lakeview — only to have the victim call police when he realized Robinson had set him up for an attempted robbery.

Police said that, based on a description provided to responding Fifth Precinct officers, Robinson, 19, of Laconia Avenue, was arrested not far from the scene of the crime. Taken into custody at the corner of Howard Street and Henry Street at 1:05 p.m., he was charged for three separate incidents: one, when police said he stole $300 cash from a man who was trying to buy a cellphone from him on Thursday; a second, when police said he attacked a 17-year-old girl in Lakeview on Friday morning, stealing her cellphone; and, the third, when police said he tried to rob the man in Lakeview on Tuesday, after the victim elected not to buy a phone from Robinson, suspicious that it had been stolen.

Police did not release details of the first incident, other than to say Robinson lured a woman to a meeting with an offer to sell her a cellphone, but instead stole $300 in cash when the woman handed him the money for that phone — Robinson running off without giving her the cellphone.

The second incident occurred Friday. It was then, police said, that a 17-year-old girl, whose identity was not released, was punched in the face by Robinson as she walked near the intersection of Tanglewood Avenue and Yale Avenue at 10:15 a.m.

After punching the girl, Robinson took her cellphone. When the girl followed him — and demanded he return her phone — Robinson “displayed a black Taser,” threatening to use it on the victim, police said.

A 27-year-old woman witnessed the incident, police said, and was able to convince Robinson to return the phone.

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The victim then called police, but responding officers were unable to locate Robinson.

Police said that on Tuesday, Robinson arranged to meet a 47-year-old man on Howard Street, offering to sell him an iPhone 6 — setting up the deal via a cellphone app using the screen name “Kayla.” When the victim arrived, police said, Robinson “demanded payment” before he would hand over the phone, but the victim refused. Finally, police said, Robinson handed the man the cellphone. But the victim realized the phone was locked — and refused to make a deal, believing the phone to be stolen.

When the victim tried to leave the scene in his car, police said, Robinson “put his hand on his waistband, simulating a gun,” as he “threatened to shoot the victim.”

The victim managed to flee — and call police.

During his arrest, police said, they recovered a black electronic stun gun from the pocket of Robinson’s pants.

Robinson was charged with first-degree attempted robbery, second-degree attempted robbery, fourth-degree grand larceny and two counts of fourth-degree criminal possession of a weapon. He is scheduled for arraignment Wednesday in First District Court in Hempstead, police said.