This item can be returned in its original condition for a full refund or replacement within 30 days of receipt. Our keyboards are individually tested and guaranteed to function perfectly. Compatible with MacBook Air 13" A2179 Early 2020 : MacBookAir9,1 Retina 2020: MWTJ2LL/A,MWTK2LL/A,MWTL2LL/A,MVH22LL/A,MVH42LL/A,MVH52LL/A or BTO. What's included: US English keyboard + installation keyboard screws + screwdriver (Note: This is a U.S. layout keyboard and will only fit a U.S. layout upper case). The original keyboard in this model is riveted in place. This kit includes the replacement installation screws and screwdriver you need to install the keyboard after removing the rivets. Keyboard should not be used to replace individual keycaps on your original keyboard. Switch mechanism underneath keycap may be different, in which case keycap will not be interchangeable. Replace a damaged, dirty, corroded or malfunctioning keyboard for MacBook Air 13" Retina Early 2020 A2179 with this part.