I have confirmed that power is supplied to all units, but other operations have not been checked. There is no damage to the LCD screens. Please consider this item for parts or repair. Note that the two 430G6 units do not have back covers. ★Important Notes Please be sure to check the details and photos of the product. Due to the nature of this being a junk item, no exchanges or returns will be accepted. Please purchase only if you understand this. ★Please refrain from bidding if you are overly concerned about details. Thank you. Other features: Junk