Apolytikion in the Third Tone
O Holy Apostle Philip, intercede with the merciful God that He grant unto our souls forgiveness of offences.
Kontakion in the Fourth Tone
Since thou wast enlightened by the Holy Spirit, thou enlightenest the earth and all its fullness with the beams of thy wise teachings and miracles, Apostle Philip, thou sacred initiate
Thank you for posting the icon. I don't recall seeing many pictures of Philip.