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Surface Duo

Dual-screen Android smartphone

The Surface Duo was a dual-touchscreen Android smartphone manufactured by Microsoft. Announced during a hardware-oriented event on October 2, 2019, and officially released on September 10, 2020,[1] it is part of the Microsoft Surface series of touchscreen hardware devices, and the first device in the line that does not run Windows. It also marks Microsoft's first smartphone since the dissolution of Microsoft Mobile and the Windows Phone platform.

Microsoft Surface Duo
BrandMicrosoft Surface
First releasedSeptember 10, 2020; 4 years ago (2020-09-10)
SuccessorSurface Duo 2
RelatedSurface Neo
TypeSmartphone
Form factorFolio, phablet
Dimensions145.2 mm (5.72 in) H
93.3 mm (3.67 in) W
9.9 mm (0.39 in) D (folded)
Operating systemOriginal: Android 10
Current: Android 12L
System-on-chipQualcomm Snapdragon 855
Memory6 GB LPDDR4X
Storage128 or 256 GB
Battery3577 mAh
DisplayDual 5.6 inches (140 mm) 1800×1350 AMOLED, 401 PPI
Front camera11 MP f/2.0, 1.0 μm, PDAF and 84.0° diagonal FOV
Connectivity802.11ac (2.4/5GHz), Bluetooth 5.0, LTE: 4x4 MIMO, Cat.18 DL / Cat 5 UL, 5CA, LAA
Development statusDiscontinued
Websitewww.surface.com www.surface.com/business

The Surface Duo received mixed reviews, with critics praising its design and battery life, but mixed on its multitasking features, software quality, and believing that its hardware (including its RAM, camera, and wireless network support) was outdated and underpowered for its class.

A successor, the Surface Duo 2, was unveiled in September 2021. Microsoft released the final security update for the Surface Duo on September 10, 2023.[2][3]

Specifications

Hardware

The Surface Duo is a folio-styled device, with two 5.6-inch OLED displays with a 4:3 aspect ratio. When unfolded, they form an 8.1-inch surface with a 3:2 aspect ratio and total resolution of 2700×1800.[4] The 360-degree hinge allows the device to be used in several "postures", including being fully unfolded as a flat surface, a landscape mode where the virtual keyboard occupies the entirety of the bottom screen, and the other screen folded backwards for single-screen use.[5] It is compatible with Surface Pen styluses.[6]

It uses a Qualcomm Snapdragon 855 system-on-chip with 6 GB of RAM. Microsoft stated that it worked with Qualcomm to optimize the device for multitasking.[5] The device contains two batteries with a total capacity of 3577 mAh, which are split between the two halves.[4] The Surface Duo is sold in models with 128 and 256 GB of non-expandable internal storage.[7][5]

The Surface Duo includes an 11-megapixel camera; nominally front-facing, it can be used like a rear-facing camera when the other screen is folded backwards.[5][8]

When unveiling the Surface Duo, Microsoft avoided referring to the device as being a "phone", with chief product officer Panos Panay primarily referring to it as a "Surface device"[9][10]

Software

The Surface Duo ships with Android 10 and Google Mobile Services, and is pre-loaded with both Google and Microsoft-developed apps. The two displays are designed to act like a multi-monitor configuration on a PC; individual apps can be displayed across the displays, an app on one display can open external links on the other, and supported apps can display different views on each display. Microsoft stated that it would contribute the associated APIs for these features to the upstream Android Open Source Project (AOSP), so that this functionality could be leveraged by other dual-screen and foldable smartphones.[4]

Microsoft committed to upgrading the Surface Duo to Android 11 by the end of 2021.[11] The update was released in February 2022.[12] Android 12 L was released in October 2022, seven months after its release. Microsoft stated that the update would include visual elements of Windows 11 and Fluent Design System.[13][14]

The ARM version of Windows 11 was adapted to function on Surface Duo by a third-party developer.[15]

On September 10, 2023, Microsoft stopped releasing all updates for the device, including security patches.[2][3]

Reception

The Verge noted that the Surface Duo was thin and had a relatively light weight for its class, and observed that its design "encourages you to be intentional with your use of the device and to be intentional in not using it." It was felt that the dual-screen configuration of the Surface Duo made multitasking more natural and less "tacked on[to]" Android than other devices, and that apps such as Amazon Kindle and Microsoft Outlook were well-optimized to the dual-screen setup. The camera was criticized for its placement on the device and its low quality (being described as akin to a webcam and poor for a $300 phone, let alone one that cost $1,400), and the device was also panned for being underpowered for its class (including a lack of support for 5G and NFC, and an insufficient amount of RAM for a multitasking-oriented device), although noting that Microsoft had likely used the time since the 2019 announcement to optimize its software to the Snapdragon 855. In conclusion, it was felt that "there are more than a few glimmers of vision and potential in the Surface Duo", but that "the execution is bad in places, and a lot of people aren’t going to get what Microsoft is going for."[5]

Mary Jo Foley of ZDNet described the Duo's hardware as "premium and drool-worthy", and found it to be the first Surface-branded device that was able to fulfill Microsoft's promise of "all-day" battery life, but felt that its multitasking systems were not intuitive (drawing comparisons to Windows 8, which "assume[d] users can easily figure out how to do basic things and errs on the side of providing too little information").[6]

IFixit gave the Surface Duo a repairability score of 2/10, citing that although its displays and black glass "can be replaced without disassembling any other components", its construction contained extensive use of adhesive, and that its USB port was soldered directly to its mainboard.[16]

Timeline

Timeline of Surface devices
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    id:surfaceeven       value:rgb(0.81,0.98,1)
    id:proodd            value:rgb(0.75,0.86,1)       Legend:Surface_Pro
    id:proeven           value:rgb(0.86,0.92,1)
    id:proplus           value:rgb(0.94,0.96,1)
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    id:goeven            value:rgb(0.88,0.91,1)
    id:goplus            value:rgb(0.93,0.95,1)
    id:xodd              value:rgb(0.87,0.84,1)       Legend:Surface_Pro_X
    id:xeven             value:rgb(0.93,0.91,1)

    id:bookodd           value:rgb(1,0.79,0.79)       Legend:Surface_Book
    id:bookeven          value:rgb(1,0.89,0.89)
    id:laptopodd         value:rgb(1,0.84,0.67)       Legend:Surface_Laptop
    id:laptopeven        value:rgb(1,0.93,0.84)
    id:laptopgoodd       value:rgb(0.99,0.90,0.54)    Legend:Surface_Laptop_Go
    id:laptopgoeven      value:rgb(1,0.95,0.78)
    id:laptopstudioodd   value:rgb(0.85,0.98,0.62)    Legend:Surface_Laptop_Studio
    id:laptopstudioeven  value:rgb(0.93,0.99,0.80)
    id:laptopseodd       value:rgb(0.73,0.97,0.82)    Legend:Surface_Laptop_SE
    id:laptopseeven      value:rgb(1,0.95,0.78)

    id:studioodd         value:rgb(0.98,0.81,0.91)    Legend:Surface_Studio
    id:studioeven        value:rgb(0.99,0.91,0.95)
    id:studioplus        value:rgb(0.99,0.95,0.97)

    id:hubodd            value:rgb(0.8,0.84,0.88)     Legend:Surface_Hub
    id:hubeven           value:rgb(0.89,0.91,0.94)

    id:duoodd            value:rgb(0.85,0.85,0.85)    Legend:Surface_Duo
    id:duoeven           value:rgb(0.92,0.92,0.92)

    id:bg                value:gray(1)
    id:lightline         value:gray(0.9)
    id:lighttext         value:gray(0.7)
    id:current           value:gray(0.95)             Legend:Still_produced

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PlotData = 

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   color:proeven            from:10/26/2015 till:01/01/2018 text:"Pro 4"
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   color:proodd             from:06/15/2017 till:10/16/2018 text:"Pro (2017)"
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   color:proplus            from:01/12/2021 till:09/22/2021 text:"Pro 7+"
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   color:proeven            from:09/22/2021 till:10/12/2022 text:"Pro 8"
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   color:proodd             from:10/12/2022 till:03/21/2024 text:"Pro 9"
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   color:proeven            from:03/21/2024 till:05/20/2024 text:"Pro 10"
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   color:current            from:$now till:end

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   color:current            from:$now till:end

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   color:xodd               from:11/05/2019 till:10/13/2020 text:"Pro X"
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   color:xeven              from:10/13/2020 till:10/12/2022 text:"Pro X (2nd)"
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   $skip
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   color:laptopeven         from:04/13/2021 till:10/12/2022 text:"Laptop 4"
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   color:laptopodd          from:10/12/2022 till:03/21/2024 text:"Laptop 5
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   color:current            from:$now till:end

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   color:laptopseodd        from:11/09/2021 till:$now       text:"Laptop SE"
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   color:current            from:$now till:end
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   $skip
   $skip

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   color:studioodd          from:12/15/2016 till:10/16/2018 text:"Studio"
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   color:studioeven         from:10/16/2018 till:10/12/2022 text:"Studio 2"
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   color:studioplus         from:10/12/2022 till:$now       text:"Studio 2+
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   color:current            from:$now till:end
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   $skip
   $skip

 barset:hub
   color:hubodd             from:07/01/2015 till:06/18/2019 text:"Hub"
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   color:hubeven            from:06/18/2019 till:09/21/2023 text:"Hub 2S"
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   color:hubodd             from:09/21/2023 till:$now       text:"Hub 3"
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   color:current            from:$now till:end
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   $skip
   $skip

barset:duo
   color:duoodd             from:09/10/2020 till:09/22/2021 text:"Duo"
barset:break
   color:duoeven            from:09/22/2021 till:09/22/2023 text:"Duo 2"

</timeline>


See also

References

  1. ^ Warren, Tom (2020-08-12). "Microsoft's Surface Duo arrives on September 10th for $1,399". The Verge. Retrieved 2021-10-08.
  2. ^ 2.0 2.1 CoveMiner (2023-01-03). "Surface Lifecycle for Android-based devices - Surface Duo". learn.microsoft.com. Retrieved 2023-09-11.
  3. ^ 3.0 3.1 Zac Bowden (2023-09-10). "Microsoft cuts ties with the Surface Duo after just 2 Android version updates". Windows Central. Retrieved 2023-09-11.
  4. ^ 4.0 4.1 4.2 Gartenberg, Chaim (2019-10-02). "Microsoft surprises with new foldable Surface Duo phone running Android". The Verge. Retrieved 2021-10-08.
  5. ^ 5.0 5.1 5.2 5.3 5.4 Bohn, Dieter (2020-09-10). "Microsoft Surface Duo review: double troubles". The Verge. Retrieved 2021-10-08.
  6. ^ 6.0 6.1 Foley, Mary Jo. "Surface Duo review: Why I'm still confused about Microsoft's dual-screen device". ZDNet. Retrieved 2021-10-08.
  7. ^ Vasani, Sheena (2021-09-22). "How to preorder the Surface Duo 2". The Verge. Retrieved 2021-10-08.
  8. ^ Itay, Meir Ben (2020-10-29). "Working with the camera on Microsoft Surface Duo". Surface Duo Blog. Retrieved 2022-10-27.
  9. ^ Tibken, Shara. "Yes, the Microsoft phone is really happening: Introducing the Surface Duo". CNET. Retrieved 2021-10-08.
  10. ^ Dolcourt, Jessica. "Why Microsoft doesn't want to call the Duo a phone". CNET. Retrieved 2021-10-08.
  11. ^ Warren, Tom (2021-09-23). "Microsoft says the original Surface Duo will get Android 11 before the end of the year". The Verge. Retrieved 2021-10-08.
  12. ^ Rubino, Daniel (2022-02-01). "Original Microsoft Surface Duo is finally getting its Android 11 [Update]". Windows Central. Retrieved 2022-10-27.
  13. ^ Amadeo, Ron (2022-10-26). "Surface Duo continues its worst-in-class update record, ships Android 12L". Ars Technica. Retrieved 2022-10-27.
  14. ^ "Microsoft brings Windows styling to Surface Duo and Duo 2 with Android 12L update". GSMArena.com. Retrieved 2022-10-27.
  15. ^ Sean Endicott (2022-12-05). "Windows 11 on Surface Duo now supports charging, pedometer, light sensor, and more". Windows Central. Retrieved 2023-03-07.
  16. ^ "Microsoft Surface Duo Teardown". iFixit. 2020-09-11. Retrieved 2022-10-27.
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