At around 3.30am , they went to her level in Ang Mo Kio Avenue 1.
Ms Phang set her Samsung Galaxy Note 5 telephone worth $1,000 on her room floor to charge.
At around 6.15am, soon after the cabbie left her unit, Ms Phang understood that her telephone was absent.
She discovered Koh at a transport stop along Ang Mo Kio Avenue 6 at around 6.20am.
At the point when Ms Phang requesting that he give back her cell phone, Koh denied taking it.
Be that as it may, she saw a telephone in his left front pocket and went after it.
Koh prevented her from taking it by punching her in the face once, bringing about a 1cm cut on her upper lip with minor dying.
He additionally got her hands and pushed her, making her fall in reverse and hit her head on the ground, before fleeing.
This third charge of utilizing criminal drive was considered in sentencing.
Koh was captured at around 7.40am on Feb 25 while he was attempting to leave the Tuas Checkpoint.