iPhone replacement

Hi there, my 2 months old iPhone 15 pro broke, logic board failed. Local Apple Store decided to replace the battery logic board and cameras as well at the cost of 557gbp covered under warranty. My first issue about that I have noticed battery drains very quick after repair also back glass isn’t aligned properly which I have complained straight after repair and also I have discovered tiny chip to the screen glass. I did complained again and apple said they may fit the new screen or give me the replacement. Genius Bar staff said I will get replacement but have to wait couple days as the same model is not in stock. Will it be new mobile or refurbished one ? Thanks