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{{NoteTA|G1=IT}}
{{Infobox mobile phone
| name = Pixel 4 Pixel 4 XL
| codename = {{ubl|Flame（Pixel 4）<ref name="AD">{{cite web |title=Factory Images for Nexus and Pixel Devices |url=https://developers.google.com/android/images |website=Google Developers |publisher=Google |access-date=2019-10-15|dead-url=no }}{{cbignore}}</ref>|Coral（Pixel 4 XL）<ref name="AD"/>}}
| logo = Pixel 4 wordmark.svg
| logosize =
| image = File:Pixel_4_schematic.svg
| imagesize =
| caption = Pixel 4正面外觀示意圖
| developer = [[Google]]
| manufacturer = [[鴻海科技集團|富士康]]
| series = [[Google Pixel|Pixel]]
| modelnumber =
| available = {{Collapsible list|framestyle=border:none; padding:0;|title=2019年10月24日|美国}}
| released = {{Start date and age|2019|10|15}}
| predecessor = [[Pixel 3]]
| successor = [[Pixel 5]]
| related = [[Pixel 4a]]
| dimensions = '''Pixel 4：''' 高：{{convert|147.1|mm|in|abbr=on}} 宽：{{convert|68.8|mm|in|abbr=on}} 厚：{{convert|8.2|mm|in|abbr=on}} '''Pixel 4 XL：''' 高：{{convert|160.4|mm|in|abbr=on}} 宽：{{convert|75.1|mm|in|abbr=on}} 厚：{{convert|8.2|mm|in|abbr=on}}
| weight = {{unbulleted list|'''Pixel 4：'''{{convert|162|g|oz|abbr=on}}|'''Pixel 4 XL：'''{{convert|193|g|oz|abbr=on}}}}
| type = {{unbulleted list|'''Pixel 4：'''[[智能手机]]|'''Pixel 4 XL：'''[[平板手机]]}}
| form = [[手機規格|Slate]]
| os = [[Android 10]] 可升级至[[Android 13]]
| display = '''Pixel 4：'''{{convert|5.7|in|mm|abbr=on}} FHD+P-OLED，2280×1080（19:9，444[[每英寸像素|ppi]]） '''Pixel 4 XL：'''{{convert|6.3|in|mm|abbr=on}} QHD+P-OLED，3040×1440（19:9，537[[每英寸像素|ppi]]） 两款机型均配备[[康寧公司|康寧]][[大猩猩玻璃]]5屏幕，均支持90Hz刷新率
| soc = [[高通驍龍元件列表#骁龙855/855_Plus/8cx/SQ1/8cx_Gen2/860|高通骁龙855]]
| cpu = 八核（1×2.84 GHz Kryo 485 + 3×2.42 GHz Kryo 485 + 4×1.78 GHz Kryo 485）
| gpu = Adreno 640
| modem =
| memory = 6GB [[移动DDR|LPDDR4X]]
| storage = 64[[吉字节|GB]]或128GB
| memory_card = 无
| battery = {{unbulleted list|'''Pixel 4：'''2800 mAh|'''Pixel 4 XL：'''3700 mAh}}
| input = [[USB Type-C|USB-C]]
| rear_camera = 12.2 [[像素|MP]]，1.4μm像素宽度，f/1.7光圈，28mm，1/2.55" + 16 MP，1.0μm像素宽度，f/2.4光圈，48mm、Dual Pixel相位检测、支持光学防抖和电子防抖、1.7倍光学变焦、8倍变焦、双LED补光灯、自动HDR、全景拍摄、[[1080p]]可拍摄30/60/120[[帧率|帧]]视频、[[4K分辨率|4K]]可拍摄30帧视频
| sound = 立体声音响
| front_camera = 8 MP，f/2.0光圈，22mm，1.22μm像素宽度、[[1080p]]可拍摄30帧视频、自动HDR + ToF相机
| connectivity = [[IEEE 802.11|Wi-Fi 2.4GHz + 5.0GHz 802.11a/b/g/n/ac]]、[[藍牙|Bluetooth® 5.0 + LE]]、[[近場通訊|NFC]]、[[北斗卫星导航系统|北斗]]（美国版除外）、[[伽利略定位系統|Galileo]]、[[格洛纳斯系统|GLONASS]]、[[全球定位系统|GPS]]、支持[[eSIM]]、Osaifu-Keitai（仅限日本销售版本）
| other = {{ubl|[[国际防护等级认证|IP68级防水防尘]]|18W快速充电|[[Qi (無線充電標準)|Qi]]无线充电|Titan M安全模块}}
| website = {{url|store.google.com/product/pixel_4|Google Pixel 4}}
| networks = [[GSM]]/[[GSM增强数据率演进|EDGE]]、[[通用移动通讯系统|UMTS]]/[[演进式HSPA|HSPA+]]、[[EV-DO|CDMA EVDO Rev A]]、[[通用移动通讯系统|WCDMA]]、[[長期演進技術|LTE]]、[[進階長期演進技術|LTE Advanced]]
| references = <ref name="Specs">{{Cite web|url=https://support.google.com/pixelphone/answer/7158570|title=Pixel phone hardware tech specs|website=Google Support|access-date=2020-08-06|archive-date=2021-08-17|archive-url=https://web.archive.org/web/20210817193311/https://support.google.com/pixelphone/answer/7158570|dead-url=no}}{{cbignore}}</ref>
}}
'''Pixel 4及Pixel 4 XL'''是由[[Google]]发布的[[Android]][[智能手机]]，两款手机分别为[[Pixel 3|Pixel 3及Pixel 3 XL]]的后继机型。Google于2019年6月公布Pixel 4系列的背部外观，证实其存在<ref>{{cite web| url=https://www.theverge.com/2019/6/12/18663172/google-pixel-4-camera-sensor-design-official-photo| title=This is Google's Pixel 4| first=Chris| last=Welch| date=2019-06-12| website=[[The Verge]]| accessdate=2019-10-15| archive-date=2019-10-27| archive-url=https://web.archive.org/web/20191027043044/https://www.theverge.com/2019/6/12/18663172/google-pixel-4-camera-sensor-design-official-photo| dead-url=no}}</ref>。该系列手机于2019年10月15日在Google的新品发布会上正式公布，并于10月24日在美国正式发售<ref>{{Cite web|url=https://www.theverge.com/2019/10/15/20908071/google-pixel-4-xl-photos-video-hands-on-camera-screen-specs-price|title=Google Pixel 4 and 4 XL hands-on: This time, it's not about the camera|work=[[The Verge]]|last=Bohn|first=Dieter|date=2019-10-15|accessdate=2019-10-15|archive-date=2019-10-15|archive-url=https://web.archive.org/web/20191015170822/https://www.theverge.com/2019/10/15/20908071/google-pixel-4-xl-photos-video-hands-on-camera-screen-specs-price|dead-url=no}}</ref>。

2020年8月3日，Google發布了Pixel 4系列對應的中端配置機型[[Pixel 4a]]，並在同年9月30日正式发布Pixel 4a的5G版本<ref>{{cite web|url=https://www.theverge.com/2020/8/3/21352032/google-pixel-5-4a-5g-price-release-date-specs|title=Google announces Pixel 5, Pixel 4A 5G, and Pixel 4A all at once|publisher=The Verge|date=2020-08-03|accessdate=2020-08-03|archive-date=2020-08-03|archive-url=https://web.archive.org/web/20200803150805/https://www.theverge.com/2020/8/3/21352032/google-pixel-5-4a-5g-price-release-date-specs|dead-url=no}}</ref><ref>{{cite web|url=https://www.androidauthority.com/google-pixel-4a-5g-1139376/|title=Google Pixel 4a 5G buyer's guide: Know before you buy|work=Android Authority|date=2020-09-30|accessdate=2020-10-04|archive-date=2021-01-31|archive-url=https://web.archive.org/web/20210131192153/https://www.androidauthority.com/google-pixel-4a-5g-1139376/|dead-url=no}}</ref>。

==规格==
[[File:Pixel 4 back schematic.svg|thumb|left|upright=0.5|Pixel 4的背部略图，其中左上角的黑色方形为摄影模组]]
===设计===
Pixel 4和4 XL使用的屏幕玻璃为[[康寧公司|康寧]][[大猩猩玻璃]]5代。两款手机各有三种颜色的版本：“纯粹黑”（Just Black，电源按钮为白色）、“就是白”（Clearly White，电源按钮为橙色）和“如此橘”（Oh So Orange，电源按钮为粉色），其中“纯粹黑”的背面较为光滑，而“就是白”和“如此橘”则具有哑光质感。<ref name=":2">{{Cite web|url=https://arstechnica.com/gadgets/2019/10/pixel-4-hands-on-project-soli-just-seems-like-wii-waggle/|title=Pixel 4 hands-on—Thumbs up for 90Hz, thumbs down for Project Soli|last=Amadeo|first=Ron|date=2019-10-16|website=Ars Technica|access-date=2019-10-16|archive-date=2019-10-16|archive-url=https://web.archive.org/web/20191016122302/https://arstechnica.com/gadgets/2019/10/pixel-4-hands-on-project-soli-just-seems-like-wii-waggle/|dead-url=no}}</ref><ref>{{Cite web|url=https://www.digitaltrends.com/mobile/google-pixel-4-design-interview-max-yoshimoto-alberto-villarreal/|title=Google's Pixel 4 looks different. Here's what the designers changed and why|work=Digital Trends|last=Chokkattu|first=Julian|date=2019-10-15|accessdate=2019-10-17|archive-date=2019-10-16|archive-url=https://web.archive.org/web/20191016163221/https://www.digitaltrends.com/mobile/google-pixel-4-design-interview-max-yoshimoto-alberto-villarreal/|dead-url=no}}</ref>由于Pixel 3 XL的浏海设计备受批评，Pixel 4和Pixel 4 XL均无浏海设计<ref name=":0">{{Cite web|url=https://www.theverge.com/2019/10/15/20908071/google-pixel-4-xl-photos-video-hands-on-camera-screen-specs-price|title=Google Pixel 4 and 4 XL hands-on: this time, it's not about the camera|last=Bohn|first=Dieter|date=2019-10-15|website=The Verge|access-date=2019-10-16|archive-date=2019-10-15|archive-url=https://web.archive.org/web/20191015224359/https://www.theverge.com/2019/10/15/20908071/google-pixel-4-xl-photos-video-hands-on-camera-screen-specs-price|dead-url=no}}</ref>。尺寸方面，Pixel 4的尺寸为5.7英寸，Pixel 4 XL则为6.3英寸，两款机型屏幕的高宽比均为19:9。<ref name=":1"/>

===硬件===
Pixel 4系列手机搭载[[高通驍龍元件列表#骁龙855/855 Plus/8cx/SQ1/8cx Gen2/860|高通骁龙855]]（包含八核Kryo 485 CPU、Adreno 640 GPU和Hexagon 690 DSP）以及6GB内存。内部存储空间方面，该系列提供64GB和128GB两种版本供用户选择。Pixel 4系列两款手机的电池容量各有不同，其中Pixel 4的电池容量为2800mAh，而Pixel 4 XL的电池容量则为3700mAh，两款机型均支持18W的快速充电以及Qi无线充电。与前代Pixel相同的是，该系列的两款手机均达到了IP68的防水防尘等级。<ref name=":1">{{Cite web|url=https://www.anandtech.com/show/14988/google-pixel-4-and-pixel-4-xl|title=Google Announces The Pixel 4 and Pixel 4 XL: The 2019 Pixels|last=Frumusanu|first=Andrei|website=Anandtech.com|publisher=Future plc|date=2019-10-15|access-date=2019-10-16|archive-date=2019-10-16|archive-url=https://web.archive.org/web/20191016024343/https://www.anandtech.com/show/14988/google-pixel-4-and-pixel-4-xl|dead-url=no}}</ref>Pixel 4系列没有配备[[TRS端子|3.5毫米音频接口]]。手机底部的USB-C接口可用于充电、音频输出及连接其他设备，尽管包装盒内并未提供USB-C至3.5mm转接线<ref name=":0" />。另外，该手机配备了名为“Pixel神经核心（{{lang|en|Pixel Neural Core}}）”的芯片，据报道，该芯片取代前代Pixel机型所使用的“Pixel视觉核心（{{lang|en|Pixel Visual Core}}）”，利用神经网络技术处理图像<ref name=":0" />。

Pixel 4系列采用支持HDR的OLED屏幕，并支持90Hz刷新率<ref name=":1"/>。分辨率方面，Pixel 4的屏幕分辨率为1080P，Pixel 4 XL则为1440P。生物识别方面，Pixel 4系列取消了前代Pixel配备的指纹传感器，[[臉部辨識系統|面部识别]]是该系列手机唯一提供的生物识别手段。<ref name=":1"/>

====相机====
Pixel 4系列在后背配备一个方形摄像头模组，模组内有两个摄像头、一个闪光灯和一个传感器，这是[[Google Pixel]]系列首个拥有两个后置摄像头的机型。两个后置摄像头分别为1220万像素和1600万像素<ref name=":1" />。后置摄像头支持录制4K视频，但仅支持30帧录制，并不支持市场上其他同期发布手机所支持的60帧录制。对此Google官方的解释是多数用户录制视频时使用1080P分辨率，另外在4K/60帧模式下录制视频，每分钟占用空间过大<ref>{{Cite web|url=https://www.androidheadlines.com/2019/10/google-pixel-4-4k60-video-why.html|title=Google Explains Why Pixel 4 Doesn't Have 4K60 Video|website=Android Headlines|last=Maxham|first=Alexander|date=2019-10-21|accessdate=2019-10-21|archive-date=2019-10-21|archive-url=https://web.archive.org/web/20191021221529/https://www.androidheadlines.com/2019/10/google-pixel-4-4k60-video-why.html|dead-url=no}}</ref>。Google宣称该系列手机支持8倍变焦<ref>{{Cite web|url=https://petapixel.com/2019/10/15/google-pixel-4-promises-studio-like-photos-without-the-studio/|title=Google Pixel 4 Promises 'Studio-Like Photos Without the Studio'|website=petapixel.com|date=2019-10-15|access-date=2019-10-19|archive-date=2019-10-17|archive-url=https://web.archive.org/web/20191017195929/https://petapixel.com/2019/10/15/google-pixel-4-promises-studio-like-photos-without-the-studio/|dead-url=no}}</ref>。同时其夜间拍摄模式也有所改进，方便拍摄夜间星空<ref>{{Cite web|url=https://www.dpreview.com/articles/1102485836/these-are-the-most-important-google-pixel-4-camera-updates|title=These are the most important Google Pixel 4 camera updates|website=DPReview|date=2019-10-16|access-date=2019-10-19|archive-date=2019-10-18|archive-url=https://web.archive.org/web/20191018192827/https://www.dpreview.com/articles/1102485836/these-are-the-most-important-google-pixel-4-camera-updates|dead-url=no}}</ref>。Pixel 4系列在前端配备一个800万像素的摄像头，和Pixel 3系列不同的是，该系列没有配备辅助前置摄像头<ref>{{Cite web|url=https://www.droid-life.com/2019/10/16/pixel-4s-single-front-camera-almost-as-wide-angle-as-pixel-3s/|title=Pixel 4's Single Front Camera Almost as Wide-Angle as Pixel 3's|last=Kellen|date=2019-10-16|website=Droid Life|access-date=2019-10-19|archive-date=2019-10-19|archive-url=https://web.archive.org/web/20191019025243/https://www.droid-life.com/2019/10/16/pixel-4s-single-front-camera-almost-as-wide-angle-as-pixel-3s/|dead-url=no}}</ref>。

====Motion Sense====
Pixel 4系列是第一款支持Motion Sense功能的手机，该功能通过[[Google先進科技與計劃部門]]研发的Project Soli雷达感应器进行[[手势识别|手势检测]]，方便用户隔空操作手机。该功能所支持的隔空操作包括解锁屏幕以及一切以手势进行的操作（包括切换歌曲、停止闹钟、电话静音等）。Google还与[[宝可梦系列|宝可梦]]合作开发了一款应用软件，用户通过该软件可以隔空与屏幕中的神奇宝贝进行互动。<ref name=":0" /><ref>{{Cite web|url=https://www.theverge.com/2019/10/15/20908083/google-pixel-4-project-soli-radar-motion-sense-explainer|title=Google's Project Soli: the tech behind Pixel 4's Motion Sense radar|last=Bohn|first=Dieter|date=2019-10-15|website=The Verge|access-date=2019-10-16|archive-date=2019-10-15|archive-url=https://web.archive.org/web/20191015154125/https://www.theverge.com/2019/10/15/20908083/google-pixel-4-project-soli-radar-motion-sense-explainer|dead-url=no}}</ref><ref>{{Cite web|url=https://www.theverge.com/2019/10/15/20907715/google-pixel-4-motion-sense-gesture-controls-radar-sensor-project-soli-demo-features|title=Google demos how the Pixel 4's gesture controls work with music, pokémon, and more|last=Porter|first=Jon|date=2019-10-15|website=The Verge|access-date=2019-10-16|archive-date=2019-10-16|archive-url=https://web.archive.org/web/20191016072810/https://www.theverge.com/2019/10/15/20907715/google-pixel-4-motion-sense-gesture-controls-radar-sensor-project-soli-demo-features|dead-url=no}}</ref>

Motion Sense功能依赖60GHz的频段，Google需要在对应销售的国家和地区申请才能使用这一功能。因此Google方面设定当手机探测到用户进入到一个不支持的国家或地区的时候，会锁定这一功能。在Pixel 4刚发布时，Google公布了支持Motion Sense的国家和地区名单，名单包括[[澳大利亚]]、[[加拿大]]、“大部分欧洲国家和地区”、[[新加坡]]、[[台湾]]和[[美国]]。尽管[[日本]]一开始并不在这一名单当中，但Google方面于2020年2月4日解除了在该国使用该功能的限制<ref>{{cite web|url=https://japan.cnet.com/article/35148900/|script-title=ja:Pixel 4の「Motion Sense」が日本でも解禁--スマホに触れずに操作可能に|publisher=CNET Japan|date=2020-02-04|accessdate=2020-02-04|archive-date=2020-02-04|archive-url=https://web.archive.org/web/20200204142934/https://japan.cnet.com/article/35148900/|dead-url=no}}</ref>。由于[[印度]]仅允许政府和军队使用60GHz频段，Google决定不在印度销售Pixel 4系列手机<ref>{{Cite web|url=http://social.techcrunch.com/2019/10/15/google-pixel-4-pixel-4xl-no-india-launch/|title=Google Pixel 4, Pixel 4 XL not launching in India|website=TechCrunch|date=2019-10-15|access-date=2019-10-16}}{{Dead link}}</ref><ref>{{Cite web|url=https://wccftech.com/motion-sense-will-automatically-disable-itself-in-unsupported-regions/|title=Motion Sense Will Automatically Disable Itself in Unsupported Regions|last=Ganti|first=Anil|date=2019-10-15|website=Wccftech|access-date=2019-10-16|archive-date=2019-10-16|archive-url=https://web.archive.org/web/20191016072814/https://wccftech.com/motion-sense-will-automatically-disable-itself-in-unsupported-regions/|dead-url=no}}</ref><ref>{{Cite web|url=https://www.indiatoday.in/technology/features/story/google-pixel-4-and-pixel-4xl-will-not-launch-in-india-they-are-too-high-tech-for-indian-government-1609694-2019-10-15|title=Google Pixel 4 and Pixel 4XL will not launch in India, they are too high-tech for Indian government|last=Anwer|first=Javed|date=2019-10-15|website=India Today|access-date=2019-10-16|archive-date=2019-10-16|archive-url=https://web.archive.org/web/20191016035341/https://www.indiatoday.in/technology/features/story/google-pixel-4-and-pixel-4xl-will-not-launch-in-india-they-are-too-high-tech-for-indian-government-1609694-2019-10-15|dead-url=no}}</ref>。

===软件===
Pixel 4系列的出厂原装系统为[[Android 10]]<ref>{{Cite web|title=Android 10 officially released for Google Pixel phones|last=Bohn|first=Dieter|date=|website=[[The Verge]]|url=https://www.theverge.com/2019/9/3/20842507/google-android-10-q-pixel-release-download-availability|access-date=2019-09-16|archive-date=2019-09-04|archive-url=https://web.archive.org/web/20190904004334/https://www.theverge.com/2019/9/3/20842507/google-android-10-q-pixel-release-download-availability|dead-url=no}}</ref>。Google计划为该系列手机提供三年的系统更新支持。应用方面，该系列手机预装[[Google Camera|Google Camera 7.1]]、Google Recorder（录制音频并将其转换为可搜索及编辑的文本）以及新版的[[Google Assistant]]<ref name=":0" />。

==反响==
[[Ars Technica]]整体上表扬Pixel 4系列90Hz高刷新率的屏幕以及白色版本和橙色版本的质感，但批评该手机的Motion Sense功能，称用户需要很大的挥手幅度，活动整个肘部才能让Motion Sense成功识别。<ref name=":2" />

Google在前代Pixel提供云端无限量存储原始质量照片及视频的服务，然而这一服务在Pixel 4系列不再提供。Google的这一做法也受到了广泛的批评。<ref>{{cite web|url=https://www.theverge.com/2019/10/15/20915594/google-pixel-4-xl-no-unlimited-photo-uploads-free-original-quality-backups|title=Google Pixel 4 buyers won't get unlimited photo uploads at original quality|publisher=The Verge|date=2019-10-15|accessdate=2019-10-23|archive-date=2019-10-22|archive-url=https://web.archive.org/web/20191022072300/https://www.theverge.com/2019/10/15/20915594/google-pixel-4-xl-no-unlimited-photo-uploads-free-original-quality-backups|dead-url=no}}</ref><ref>{{cite web|url=https://www.digitaltrends.com/mobile/pixel-4-google-photos-no-full-resolution-storage/|title=The Pixel 4 won't have free, unlimited full-res Google Photos storage|publisher=Digital Trends|date=2019-10-15|accessdate=2019-10-23|archive-date=2019-10-22|archive-url=https://web.archive.org/web/20191022055836/https://www.digitaltrends.com/mobile/pixel-4-google-photos-no-full-resolution-storage/|dead-url=no}}</ref>

2019年10月21日，DxOMark公布Pixel 4系列的拍摄评分，其中综合评分为112分（比Pixel 3系列高出10分以上），拍摄评分为117分，视频评分为101分，自拍评分为92分<ref>{{Cite web|url=https://www.dxomark.com/google-pixel-4-camera-review/|title=Google Pixel 4 camera review|last=Carroll|first=Paul|work=[[DxOMark]]|date=2019-10-21|accessdate=2019-10-21|archive-date=2019-10-21|archive-url=https://web.archive.org/web/20191021222708/https://www.dxomark.com/google-pixel-4-camera-review/|dead-url=no}}</ref>。

Pixel 4发布后，销量低于预期，Google Pixel团队负责人在发布前就表示对手机不是很有信心，在会议上对手机多个决策并不赞同，尤其是电池方面，而两名高管也因Pixel 4的失败而离职。<ref>{{Cite web|title=Google Pixel's camera lead quits after the failure of the Pixel 4|url=https://arstechnica.com/gadgets/2020/05/shakeup-at-google-sees-the-pixels-camera-lead-and-general-manager-quit/|accessdate=2020-05-14|date=2020-05-13|last=Amadeo|first=Ron|work=Ars Technica|archive-date=2020-05-13|archive-url=https://web.archive.org/web/20200513224404/https://arstechnica.com/gadgets/2020/05/shakeup-at-google-sees-the-pixels-camera-lead-and-general-manager-quit/|dead-url=no}}</ref>

==问题==
* Pixel 4系列发布后不久，[[BBC]]等媒体报道称当使用面部识别解锁该手机时，即便闭上眼睛也能成功解锁，这增加了隐私泄露的风险<ref>{{cite web |last1=Welch |first1=Chris |title=Google's Pixel 4 face unlock has one major privacy weakness |url=https://www.theverge.com/2019/10/17/20919390/google-pixel-4-face-unlock-eyes-closed-privacy-eye-contact |website=The Verge |accessdate=2019-10-21 |date=2019-10-17 |archive-date=2019-10-21 |archive-url=https://web.archive.org/web/20191021135531/https://www.theverge.com/2019/10/17/20919390/google-pixel-4-face-unlock-eyes-closed-privacy-eye-contact |dead-url=no }}</ref>。其后Google官方回应称将在后续系统更新中加入仅允许睁开眼睛解锁的选项<ref>{{cite web |last1=Bohn |first1=Dieter |title=Google to update Pixel 4 face unlock with eye detection 'in the coming months' |url=https://www.theverge.com/2019/10/20/20924143/google-pixel-4-face-unlock-eyes-security-update-coming-months |website=The Verge |accessdate=2019-10-21 |date=2019-10-20 |archive-date=2019-10-21 |archive-url=https://web.archive.org/web/20191021115553/https://www.theverge.com/2019/10/20/20924143/google-pixel-4-face-unlock-eyes-security-update-coming-months |dead-url=no }}</ref>。最终该选项在2020年4月初的系统更新中正式添加<ref>{{Cite web|url=https://mobilesyrup.com/2020/04/07/pixel-4-face-unlock-require-open-eyes/|title=Pixel 4 can now require open eyes when using face unlock|website=Mobilesyrup|date=2020-04-07|accessdate=2020-04-07|archive-date=2020-04-07|archive-url=https://web.archive.org/web/20200407231402/https://mobilesyrup.com/2020/04/07/pixel-4-face-unlock-require-open-eyes/|dead-url=no}}</ref>。
* 当屏幕亮度小于75%时，手机会自动将屏幕刷新率降至60Hz。这一问题由[[Reddit]]网民率先发现，之后由XDA通过测试证实。其后Google官方回应称为了节省电量，系统会在部分情况下降低屏幕刷新率。Google方面同时承诺会推出后续更新，以便在更多亮度条件下使用90Hz刷新率。<ref>{{Cite web|url=https://arstechnica.com/gadgets/2019/10/the-pixel-4s-refresh-rate-is-inexplicably-tied-to-its-display-brightness/|title=The Pixel 4's refresh rate is inexplicably tied to its display brightness|work=Ars Technica|last=Amadeo|first=Ron|date=2019-10-23|accessdate=2019-10-23|archive-date=2019-10-23|archive-url=https://web.archive.org/web/20191023162240/https://arstechnica.com/gadgets/2019/10/the-pixel-4s-refresh-rate-is-inexplicably-tied-to-its-display-brightness/|dead-url=no}}</ref><ref>{{Cite web|url=https://www.theverge.com/2019/10/23/20929090/google-pixel-4-screen-smooth-display-refresh-rate-lighting-conditions-software-update|title=Google promises another Pixel 4 software update, this time for the screen's refresh rate|work=The Verge|last=Bohn|first=Dieter|date=2019-10-23|accessdate=2019-10-23|archive-date=2019-10-23|archive-url=https://web.archive.org/web/20191023210230/https://www.theverge.com/2019/10/23/20929090/google-pixel-4-screen-smooth-display-refresh-rate-lighting-conditions-software-update|dead-url=no}}</ref>2019年11月初，Google发布更新，该更新对90Hz刷新率的使用条件进行了调整<ref>{{Cite web|url=https://www.theverge.com/2019/11/4/20948334/pixel-4-xl-smooth-display-issues-november-2019-update|title=The Pixel 4's Smooth Display issues will be 'improved' with the November update|work=[[The Verge]]|last=Faulkner|first=Cameron|date=2019-11-04|accessdate=2019-11-04|archive-date=2019-11-05|archive-url=https://web.archive.org/web/20191105011227/https://www.theverge.com/2019/11/4/20948334/pixel-4-xl-smooth-display-issues-november-2019-update|dead-url=no}}</ref><ref>{{Cite web|url=https://www.engadget.com/2019/11/04/pixel-4-smooth-display-update/|title=Pixel 4 update lets Smooth Display kick in more often|work=[[Engadget]]|last=Fingas|first=Jon|date=2019-11-04|accessdate=2019-11-04|archive-date=2019-11-05|archive-url=https://web.archive.org/web/20191105013332/https://www.engadget.com/2019/11/04/pixel-4-smooth-display-update/|dead-url=no}}</ref>。
* 在部分光源环境中，该系列手机的自动白平衡会出现问题。该问题已在Google于2019年11月初发布的更新中修复<ref>{{Cite web|url=https://www.gsmarena.com/google_seemingly_fixes_auto_white_balance_issue_in_latest_pixel_4_update-news-40038.php|title=Google seemingly fixes auto white balance issue in latest Pixel 4 update|website=GSMArena|date=2019-11-11|accessdate=2019-11-29|archive-date=2019-11-12|archive-url=https://web.archive.org/web/20191112130746/https://www.gsmarena.com/google_seemingly_fixes_auto_white_balance_issue_in_latest_pixel_4_update-news-40038.php|dead-url=no}}</ref>。

==参考资料==
{{Reflist|2}}

{{Google Pixel}}
{{Android}}
{{Google Inc.}}
[[Category:Android設備]]

[[Category:2019年面世的手機]]

[[Category:Google Pixel]]

Pixel 4 - 版本历史

imported>Shizhao：​Cat-a-lot：从分类移除：Category:觸控手機

imported>Shizhao：Cat-a-lot：从分类移除：Category:觸控手機