Before start the teardown process, let’s take a look the specification of Huawei Mate 9
Processor: HiSilicon Kirin 960 (Octa-core, 2400 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit)
Graphics processor: Mali-G71 MP8
Built-in storage: 64GB
Storage expansion: microSD, microSDHC, microSDXC up to 256 GB
Display: 5.9-inch 1080 x 1920 pixels IPS LCD capacitive touchscreen, 16M colors (373 ppi pixel density)
Rear Camera: Dual 20 MP +12 MP, f/2.2, OIS, 2x zoom, Leica optics, phase detection & laser autofocus, dual-LED (dual tone) flash
Front camera: 8 MP, f/1.9, 1080p
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Use the suction cup to suck the front panel of the phone and open a rip. Using the pick to insert it in the rip and move it up and down. When the side is totally opened, the back cover is free to go.
Huawei Mate 9’s fingerprint module is fixed to the back cover. Before totally separation, you need to disconnect the fingerprint module.
There is a graphite sticker covering the metal shield.
Opened the graphite sticker, you can find three cable connectors fixed by stainless steel sheet.
The stainless steel sheet fixed by one screw, and the screw is covering by a white sticker.
When the sticker meets the water, it turns to red, that mean you will void the warranty.
Remove two screws securing the stainless steel sheet that securing the rear camera cable.
Remove the rear camera from the motherboard.
Huawei Mate 9 features a Leica Dual 20 MP +12 MP camera, f/2.2, OIS, 2x zoom, supports phase detection and laser autofocus.
Now remove one screw securing the stainless steel sheet.
Disconnect the main FPC cable from the bottom board.
The vibrator, microphone, USB Type-C port and loudspeaker are distributed at the bottom of the phone.
Note: we will update the chip model later