The Chief Magistrate, Mrs B.O. Osunsanmi, refused to grant the plea of the accused.
Earlier, the Prosecutor, Insp. Simeon Inuoha, told court that the offences were committed on Feb. 16 at Iloro area of Dopemu, near Lagos.
Inuoha said that the accused and some others at large, armed with a locally-made gun, robbed a pedestrian.
“The accused and his accomplice robbed one Mr Emmanuel of his two mobile phones, valued at N117,000.”
Inuoha said that a police team on patrol apprehended the accused while others escaped.
The offences contravened Sections 295 and 297 of the Criminal Law of Lagos State, 2011.
The court adjourned the case until May 4 for mention.