There's always room for discussion, but perhaps these previous topics will answer your inquiry.
How accepted is the hypothesis that Phoenician sailors circumnavigated Africa in antiquity? by /u/mythoplokos
Did Phoenicians circumnavigate Africa in the 6th/7th century BCE? by /u/khosikuluy
Phoenician trade routes around Africa? by /u/khosikulu and /u/Aerandir
Hanno The Navigator by /u/khosikulu
Is it true that the Phoenicians founded colonies on the West African coast, and if so how successful were they? by /u/sisulusghost
I heard recently that Herodotus mentioned a story wherein Phoenician sailors circumnavigated Africa in antiquity. Do modern scholars believe this anecdote to be true? by /u/jamillian and /u/AbouBenAdhem
Is it true that Phoenicians traded in East Africa? by /u/ScipioAsina