WHAT IS IT? - The QianLi Apollo Interstellar ONE is a 6-in-1 Reading / Writing / Repair Tool for Phone Repair technicians. FUNCTIONS - It has multiple functions including battery read/write/repair, true tone read / write, data-line detection, photosensitive original colour repair, vibrator repair, baseband chip read / write / repair and cable detection COMPATIBILITY - The QianLi APOLLO Interstellar ONE is compatible with iPhone 7, 7p, 8, 8p, X, XR, XS, XS Max, 11, 11 Pro, 11 Pro Max. MULTI LANGUAGE SUPPORT - Chinese, English, Spanish EXPANDABLE - Expandable to work with other equipment in the future. NO Built in battery