Introduction

Right in the middle of the grand finale of this year’s flagship smartphone season, Huawei throws their last big fighter into the ring: the Mate 20 Pro! On paper, it looks more powerful than ever—but only a teardown will tell if it’s a true champion or just a poser.

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This teardown is not a repair guide. To repair your Huawei Mate 20 Pro, use our service manual.

  1. Here's what the Mate 20 Pro brings to the ring: 6.39" AMOLED display with a resolution of 3120 × 1440 (~538 ppi) Huawei Kirin 980 chipset: Mali-G76 MP10 GPU and an octa-core CPU (2x 2.6 GHz Cortex-A76 cores, 2x 1.92 GHz Cortex-A76 cores, and 4x 1.8 GHz Cortex-A55 cores)
    • Here's what the Mate 20 Pro brings to the ring:

    • 6.39" AMOLED display with a resolution of 3120 × 1440 (~538 ppi)

    • Huawei Kirin 980 chipset: Mali-G76 MP10 GPU and an octa-core CPU (2x 2.6 GHz Cortex-A76 cores, 2x 1.92 GHz Cortex-A76 cores, and 4x 1.8 GHz Cortex-A55 cores)

    • Triple rear cameras: 40 MP ƒ/1.8, 20 MP ƒ/2.2, and 8 MP ƒ/2.4 lens with 5x optical zoom

    • 24 MP ƒ/2.0 selfie cam

    • IP68 dust/water ingress rating

    • Android 9.0 (PIE)

    • Facial recognition hardware, and an under-display fingerprint sensor

  2. Face to face with Huawei's champion from last season, the Mate 20 Pro sports a newly notched, curved display. This notch grew a little compared to that of the P20 Pro, making space for the new sensors needed for the 3D face unlock feature. The Mate 20 Pro swaps out the rear fingerprint sensor for a third camera. But is three enough to keep up with the competition?
    • Face to face with Huawei's champion from last season, the Mate 20 Pro sports a newly notched, curved display.

    • This notch grew a little compared to that of the P20 Pro, making space for the new sensors needed for the 3D face unlock feature.

    • The Mate 20 Pro swaps out the rear fingerprint sensor for a third camera. But is three enough to keep up with the competition?

    • Our Mate 20 Pro is dressed up in the industry-standard glass sandwich, but the rear glass isn't quite as standard as it looks. Huawei applied a non-slip, fingerprint-resistant coating to help prevent slippery accidents.

    • The Mate 10 Pro's loudspeaker holes give way to the the SIM and NM card tray in the Mate 20 Pro.

    • Undaunted by a fragile rear glass panel thanks to recent teardowns of glue-filled competitors, we grab our heat gun and get to work.

    • Some heat helps the Mate 20 Pro to relax before our standard tools finish the job!

    • Thanks to the relocated fingerprint reader, there's no danger of tearing delicate flex cables while removing the rear cover.

  3. We just got here and we're already facing one of the Mate 20 Pro's new features—the bi-directional wireless charging coil. The Mate 20 Pro's charging coil is both a transmitter and a receiver. Huawei wants you to use it to charge their AirPods competitor, Freepods. Eight screws later, we remove the midframe assembly, which is home to the wireless charging coil, the NFC antenna and the dual-LED dual-tone flash.
    • We just got here and we're already facing one of the Mate 20 Pro's new features—the bi-directional wireless charging coil.

    • The Mate 20 Pro's charging coil is both a transmitter and a receiver. Huawei wants you to use it to charge their AirPods competitor, Freepods.

    • Eight screws later, we remove the midframe assembly, which is home to the wireless charging coil, the NFC antenna and the dual-LED dual-tone flash.

  4. At first glance, the motherboard looks free to jump right out, but a closer look reveals nine flex cables holding it in place, plus an antenna cable. Like the P20 Pro, the Mate 20 Pro sticks to a relatively small motherboard, leaving room for a wider battery.
    • At first glance, the motherboard looks free to jump right out, but a closer look reveals nine flex cables holding it in place, plus an antenna cable.

    • Like the P20 Pro, the Mate 20 Pro sticks to a relatively small motherboard, leaving room for a wider battery.

    • With the 3D face unlock hardware and the triple rear camera taking up more motherboard space than usual, Huawei had to cut some camera holes and change the layout a bit.

    • After prying away some loving arms flex cables, we manage to remove the motherboard along with the rear cameras.

    • ...which are easily removed after disconnecting two additional flex cables. Praise our good old friend the spudger!

    • The Mate 20 Pro has three rear cameras:

    • Top right: 40 MP, ƒ/1.8, 27 mm-equivalent wide angle lens

    • Bottom right: 20 MP, ƒ/2.2, 16 mm-equivalent ultra wide angle lens

    • Bottom left: 8 MP, ƒ/2.4, 80 mm-equivalent telephoto lens with 5x optical zoom

    • The P20 Pro's monochromatic camera is ditched for an ultra wide angle lens, ideal for landscape and macro shots (at a minimum focal distance of 2.5 cm).

    • Even with three cameras, Huawei says the brains behind this hardware is what will really make your images shine.

    Do 3 Cameras all have OIS?

    Or juat tele photo camera has OIS.

    sa_dit - Reply

    The “tele photo” sensor does not have a 5 time optical zoom.

    40 MP vs. 8 MP itself makes clear that this is definitely not even close to an truly “optical” zoom.

    And it’s not 5 times. 80 / 27 = 2.96. It’s a 3 times “zoom”.

    Tim R. - Reply

    The ultra wide angle lens has a focal distance of a 16 mm-equivalent. The telephoto lens with an equivalent of 80mm therefore provides a “5x optical zoom” (80/16=5). The resolutions of both cameras (20 MP and 8 MP) are not taken into account for the zoom calculation.

    Tobias Isakeit -

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  6. With the cameras out of the way, the motherboard takes center stage. Here's what it has to offer: Toshiba THGAF8T0T43BAIR 128 GB Universal Flash Storage
    • With the cameras out of the way, the motherboard takes center stage. Here's what it has to offer:

    • Toshiba THGAF8T0T43BAIR 128 GB Universal Flash Storage

    • HiSilicon Hi6421 power management IC

    • Skyworks 78130-21 front-end module for WCDMA/LTE bands 8/12/13/20/26/27

    • Skyworks 78132-52 front-end module for WCDMA/LTE bands 7/30/40/41

    • Skyworks 78131-21 front-end module for WCDMA/LTE bands 1/2/3/4/25/34/39

    • Skyworks 7360-2A 04115.1 1821 MX RF module

    • HiSilicon Hi6422 envelope tracker

  7. On the backside we found: SKhynix H9HKNNNEBMBUDR-NEH LPDDR4 (likely with Huawei Kirin 980 layered underneath)
    • On the backside we found:

    • SKhynix H9HKNNNEBMBUDR-NEH LPDDR4 (likely with Huawei Kirin 980 layered underneath)

    • NXP 80T37 (likely NFC controller)

    • HiSilicon Hi1103 Wi-Fi chipset

    • HiSilicon Hi6363 RF transceiver

    Main board made by Taiwan Unimicron and the sub board form Founder

    Peng - Reply

  8. We snoop around the notch area and pull out the familiar-looking front camera / 3D face unlock assembly. It doesn't seem to completely mate up with what Huawei showed during their launch event, but our best guesses include: Dot projector 24 MP, ƒ/2.0, 26 mm-equivalent lens, borrowed from the P20 series
    • We snoop around the notch area and pull out the familiar-looking front camera / 3D face unlock assembly. It doesn't seem to completely mate up with what Huawei showed during their launch event, but our best guesses include:

    • Dot projector

    • 24 MP, ƒ/2.0, 26 mm-equivalent lens, borrowed from the P20 series

    • Rangefinder / proximity sensor

    • Flood illuminator

    • Ambient light sensor

    • IR camera

    • Rectangle of mystery

    There is a notification led on the front on the right side of the speaker grill, maybe that’s what you’re missing.

    I think that the pink rectangle is the flood illuminator and the green rectangle is actually the notification led.

    Tito Reinaldo - Reply

    Salut , j'ai abîmé la reconnaissance facial (carré bleu ciel la), je la trouve où cette pièce à l'achat ? :(

    oceathys - Reply

    Hello oceathys, not sure if this part is available ready-made as it is. But a DIY solution might be to get some diffuser foil (try a photography store) and cut it to size. If you really want to go tinker style you could try a white backing paper ;)

    Tobias Isakeit -

    • We use a pair of tweezers to dig out the last bits behind the motherboard.

    • The missing piece: a small interconnect board for the power and volume buttons. We find the following chips:

    • IDT P9221 1827SC SL-15 IDT wireless power receiver

    • LMIK36 B8283V26 PHIL

    • 35L35A B1AG1527 SG

    • 871 3644TI C37H

    • With the Mate's brains dissected, it's time to head towards the other end of the phone and check out its fancy footwork.

    LMIK36 B8283V26 PHIL

    35L35A B1AG1527 SG

    871 3644TI C37H

    what are the three chip model/name and his function?

    Jacky BigHead - Reply

  9. SIM trays aren't ordinarily exciting, but this tray happens to support a new memory card format called nano memory (NM). The new NM cards are nano-SIM sized expandable memory (45% smaller than a normal SD card) and can offer a maximum read speed of 95 MB/s.
    • SIM trays aren't ordinarily exciting, but this tray happens to support a new memory card format called nano memory (NM).

    • The new NM cards are nano-SIM sized expandable memory (45% smaller than a normal SD card) and can offer a maximum read speed of 95 MB/s.

    • Huawei makes the NM cards themselves, eliminating potential phone slowdown due to low-quality SD cards.

    • The smaller format also allows this SIM/NM tray to be smaller than a traditional dual-card tray.

  10. Just like in the P20 Pro, the USB-C charging port is mounted to a large flex cable. This means if the charging port fails, you'll only have to replace the main cable—instead of a more expensive daughterboard, as in the Google Pixel 3 XL. Another similarity to the P-Series: no 3.5 mm headphone jack. USB-C headphones are included along with a 3.5 mm adapter.
    • Just like in the P20 Pro, the USB-C charging port is mounted to a large flex cable. This means if the charging port fails, you'll only have to replace the main cable—instead of a more expensive daughterboard, as in the Google Pixel 3 XL.

    • Another similarity to the P-Series: no 3.5 mm headphone jack. USB-C headphones are included along with a 3.5 mm adapter.

    • Yet, the Mate 20 and Mate 20 Lite both still have a headphone jack. Maybe Huawei isn't quite sure if USB-C alone is the future.

    • The other port, a SIM reader, is mounted to a small board, and planted near the coin-style vibration motor.

    • Moving swiftly along, we take a closer look at the Mate's power plant.

    • To our surprise, we find some orange pull tabs on the left side of the battery, containing a short guide how to remove it—we love guides!

    • We're happy whenever we can extract a battery without having to break out our iFixit Adhesive Remover—in this case, we just needed a little help from an iOpener to unseat it.

    • The battery weighs in at an unprecedented 16.04 Wh (4,200 mAh at 3.82 V).

    • In terms of raw capacity, that beats just about everyone—including its predecessor (15.28 Wh), the iPhone XS Max (12.08 Wh), and even heavyweight Samsung Galaxy Note9 (15.4 Wh).

    • We unleash a multi-headed heat-gun serpent—we named it Pat—which blasts through the curved display's IP68-rated adhesive.

    • There is one last big secret we need to explore to give Huawei's newest fighter a ranking—the 3120 x 1440 pixel, 19.5:9 ratio (~538 ppi density) display!

    • For the numbers fans: the iPhone XS has 2436 x 1125 pixels (~458 ppi), the XS Max has 2688 x 1242 pixels (~458 ppi), the Pixel 3 XL has 2960 x 1440 pixels (~523 ppi), and the S9+ has 2960 x 1440 pixels (~529 ppi).

    • An opening pick or eleven dramatically improves this smartphone's aerodynamics, and helps us pry up the display.

  11. Thought we were done already? Not yet! Last, but certainly not least, let's take a closer look at Huawei's new finger-reading tech. The fingerprint sensor is made by Goodix and sits under the AMOLED panel, though Goodix markets the tech as an "in-display fingerprint sensor™". The sensor isn't capacitive (like most familiar sensors such as Touch ID), but optical. This is reportedly similar to the sensor found in the new OnePlus 6T.
    • Thought we were done already? Not yet! Last, but certainly not least, let's take a closer look at Huawei's new finger-reading tech.

    • The fingerprint sensor is made by Goodix and sits under the AMOLED panel, though Goodix markets the tech as an "in-display fingerprint sensor™".

    • The sensor isn't capacitive (like most familiar sensors such as Touch ID), but optical. This is reportedly similar to the sensor found in the new OnePlus 6T.

    • The sensor looks at your finger, which is illuminated by light from the display. Then the sensor uses the information it captures to create an image of the distinctive valleys and ridges of your fingerprint.

    Rigid-flex PCB for OLED moudle made by Korean NewFlex

    Peng - Reply

  12. That's it! The fight is finished, and we retreat to our corner. There will always be new challengers in the smartphone market, but this round is now at an end.
    • That's it! The fight is finished, and we retreat to our corner. There will always be new challengers in the smartphone market, but this round is now at an end.

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  13. Final Thoughts
    • Many components are modular and can be replaced independently.
    • Battery replacement requires removing only the back panel and midframe.
    • Only standard Phillips screws are used along with an average amount of adhesive.
    • Because of the sandwich build around the motherboard, there are more flex connectors than average and repairs will consume more time.
    • Glued-down front and back glass means greater risk of breakage while making repairs difficult to start.
    • Screen repairs require a lot of disassembly while battling tough adhesive.
    • A broken screen probably means you need to replace the fingerprint reader as well, or vice versa.
    Repairability Score
    4
    Repairability 4 out of 10
    (10 is easiest to repair)

23 Comments

Hi. May I know if there are any waterproofing seals or gaskets around the power /volume buttons? Something similar to the note 7?

Ken S. - Reply

It isn’t possible to see if there’s an extra plate with gaskets like in the Note 7 or the P20 Pro because of the mid frame plastic, that covers the volume and power buttons. We assume that the pins of the buttons run through a tight fit hole in the frame and there’s possibly a small rubber ring or gasket to guarantee the IP68 rating.

Dominik Schnabelrauch -

where is the loudspeaker?

Chao Shu - Reply

The loudspeaker sits on top of the USB-C charging port and the SIM/NM card try. You can see it in the last picture bottom left.

Dominik Schnabelrauch -

When will you be doing a teardown of the Mate 20X? I’d like to see that!

Will - Reply

Do 3 Cameras all have OIS?

Or just the tele photo camera has OIS.

sa_dit - Reply

Only the telephoto lens has it.

Dominik Schnabelrauch -

excelente trabajo

David Molina - Reply

Hi, what your estimated cost be to replace a cracked screen?

Saint - Reply

What is the cause of the green tint among LG screens in Mate 20 Pro? Thank you in advance.

steve.o_800 - Reply

Reading some forums on the internet one can believe it's most probably related to a previous issue with LG where they prematurely delivered AMOLEDs without having them properly cured under a UV light, in other words half-baked organic panels.

Helmi Shashaah -

May I know the border size of Screen?

Deandre deng - Reply

Hey guys, I accidentally poked the mic hole beside the sim tray with a sim removal tool. Did it reach to the Mic and damage it or did I damage the rubber thats protecting the Mic? Hope you guys can help. I’m worried that I damage the mic and the rubber. Thanks

danelectr - Reply

where bluetooth antenna ? when wireless charge my phone in car - bluetooth not work..

kozindn - Reply

Hi. What if I accidentally pushed the sim card pin on the secondary microphone located above the phone, will it possible to damage the microphone or the integrity of its water resistant?

jerone1925 - Reply

Hi jerone1925,

a similar question was asked a little while ago regarding the I inserted the pin in the left bottom microphone. I can let you know that the build of the microphone at the top of the phone, is the same as the one in the pictures you see in the link. I can’t give a guarantee but because of that it’s unlikely that you damaged the microphone or affected the water resistance.

Dominik Schnabelrauch -

May I know how many pieces of the FPC they are using? 10? Thank you!

Hsun-Huang Chen - Reply

Is the rear camera glass cover seperate from the back cover. Or is it one piece.?

Peter Farber - Reply

Hello Peter Farber,

the camera cover of the rear camera is a single part, that can be separated from the back cover of the Huawei Mate 20 Pro. However it’s usually shipped out combined with the back cover.

Dominik Schnabelrauch -

È possibile sostituire il bordo di metallo se abbozzato? Intendo la bordatura metallica della scocca frapposta tra pannello posteriore e anteriore

sara_charmed - Reply

Hi! Between the dual flash and the bottom left camera there seems to be two tiny sensors side by side. Do you know what they are and their purpose? Thanks

João Carones - Reply

Hey João, this module with its two sensors is most likely a ToF (Time of Flight) sensor for the rear cameras.

Tobias Isakeit -

Hi, you know who is the coil manufacturer?

Thanks

javier.b.r - Reply

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