Hi Nipleniple,
Welcome to flyertalk and the QR forum firstly.
I do not know where you are getting cargo from , as QR Cargo only operates cargo exclusively. You will be flying on Qatar Airways that transports passengers.
Not sure on your flight number for each sector , but for those dates MAN-DOH is operated by the 787 and the DOH-MNL sector by the 777-300ER.
Hope this helps