Repair iPhone 7 Plus Audio IC Motherboard

Mr. Hazqil came to our shop with his iPhone 7 Plus that have problem. He is unable to turn on loudspeaker during call and record voice note. At first glance, we knew this problem is related to motherboard because the symptoms are the same. Anyways, we inspected the device’s components and no problem was found. Next, we proceeded on inspecting the motherboard as we suspected. The audio IC was malfunctioning and we replaced the audio IC. We removed the audio IC by applying heated air around the audio IC. After applying some heat and delicate hand skill, we removed the audio IC. Then, we reassembled the device and tested the device thoroughly. Lastly, the device was working normally and we returned the device back to him.