HP Pre 3
The HP Pre 3 is a slider smartphone developed by Hewlett-Packard (HP) as the successor to the Palm Pre 2, featuring a 3.6-inch capacitive touchscreen with 480 × 800 resolution and a slide-out full QWERTY keyboard for physical typing.[1] It runs on the webOS 2.2 mobile operating system, which emphasizes multitasking through its card-based interface.[2] Announced on February 9, 2011, at an HP webOS event, the Pre 3 is powered by a single-core 1.4 GHz Qualcomm Snapdragon S2 MSM8255 processor paired with 512 MB of RAM, supporting efficient performance for its era.[3] Storage options include 8 GB or 16 GB internal memory, while the device packs a 5 MP rear camera with LED flash and 720p video recording, alongside a VGA front-facing camera for video calls.[2] It also includes a 1230 mAh lithium-ion battery, Wi-Fi 802.11 a/b/g/n (dual-band), Bluetooth 2.1, GPS, and 3G HSPA+ connectivity for data speeds up to 14.4 Mbps.[1] The Pre 3 was released on August 17, 2011, initially in the United Kingdom and other European markets, with pricing starting around £299 for the 8 GB model.[4] However, the very next day, on August 18, 2011, HP announced the immediate discontinuation of all webOS hardware development, including the Pre 3, as part of a broader strategic shift that led to the open-sourcing of webOS in December 2011.[5] This made the Pre 3 one of the final devices in HP's short-lived webOS smartphone lineup, following the company's 2010 acquisition of Palm Inc., and it saw limited commercial availability outside Europe, particularly in the United States where it was not officially launched.[6]History
Announcement
The HP Pre 3 was publicly announced on February 9, 2011, during Hewlett-Packard's "Think Beyond" webOS event held at the Fort Mason Center in San Francisco.[7][8] The event focused on unveiling new webOS-powered devices, including the Pre 3 alongside the HP TouchPad tablet and HP Veer smartphone, marking HP's push to expand the platform following its acquisition of Palm Inc.[6][7] At the announcement, HP revealed key specifications for the Pre 3, including a 3.58-inch capacitive touchscreen display with 480x800 pixel resolution, a 1.4 GHz Qualcomm Snapdragon processor, 512 MB of RAM, and storage options of 8 GB or 16 GB.[9][10] The device featured a slide-out QWERTY keyboard, a 5-megapixel rear camera with LED flash capable of 720p video recording, and support for HSPA+ and EV-DO Rev. A connectivity.[9][11] Positioned as the successor to the Palm Pre 2, the Pre 3 was marketed toward professionals, highlighting its enhanced multitasking capabilities via webOS 2.2's card-based interface for seamless app switching.[12][13] Event demonstrations emphasized integration features, such as the "Touch to Share" functionality, which allowed users to transfer content like URLs or documents by simply touching the Pre 3 to the HP TouchPad.[14][15]Development background
In April 2010, Hewlett-Packard (HP) acquired Palm Inc. for $1.2 billion, a move designed to bolster its entry into the mobile computing market by incorporating Palm's webOS operating system into its broader ecosystem of devices, including smartphones, tablets, and potentially PCs and printers.[16] The acquisition, completed in July 2010, provided HP with Palm's intellectual property and engineering talent, enabling the integration of webOS to create a unified platform for enhanced user experiences across hardware lines.[17][18] The HP Pre 3 emerged as the next iteration in the Palm Pre series, serving as a direct upgrade to the 2010 Palm Pre 2 by featuring a faster Qualcomm Snapdragon processor and a larger 3.6-inch display compared to the Pre 2's 600 MHz processor and 3.1-inch screen.[19] This evolution built on the original Pre's sliding keyboard design and webOS foundation, aiming to refine hardware capabilities while maintaining the series' focus on gesture-based navigation and card-style multitasking.[20] Development of the Pre 3 emphasized global market accessibility through variants supporting both GSM/HSPA+ and CDMA networks, alongside improvements in multitasking performance driven by the upgraded processor to handle multiple applications more efficiently.[19][20] However, the project faced internal challenges, including reported delays attributed to HP's post-acquisition restructuring, leadership transitions, and integration hurdles following the Palm deal, which pushed back the device's timeline from initial expectations.[21]Design
Physical build
The HP Pre 3 measures 111 × 64 × 16 mm and weighs 156 g, making it a compact yet substantial slider phone for its era.[10][2] Its build consists of a plastic chassis with a soft-textured, rounded back for improved grip, complemented by a smooth-gliding slider mechanism that reveals the integrated QWERTY keyboard below the display.[22] The device was offered primarily in black, providing a matte finish that resists fingerprints better than glossy predecessors.[23] While lacking an official IP rating for environmental resistance, the Pre 3's construction emphasizes sturdiness, with a durable rear casing and a firm, reliable slide-out design that holds securely during use.[22]Input methods
The HP Pre 3 features a redesigned vertical slide-out QWERTY hardware keyboard, the widest and largest on any webOS device at the time, consisting of 35 keys optimized for thumb typing with raised, tactile keys made of rubberized material for comfortable and error-free input.[24][25][26] The keyboard includes backlight illumination to support typing in low-light conditions and slides out smoothly via a release latch, enabling a landscape-oriented typing experience.[24] The device employs a capacitive multitouch touchscreen that supports natural gestures such as pinching to zoom and swiping to scroll, providing responsive interaction for navigation and content manipulation.[24][26] Additional inputs include a dedicated gesture area located below the screen, which facilitates intuitive navigation through simple swipes, such as a leftward back gesture to return to previous screens; this hardware element is integral to webOS gesture navigation.[24][27] The Pre 3 includes an on-screen virtual keyboard for text entry when the physical keyboard is not extended, in addition to relying primarily on the physical slider.[28] For accessibility, the device provides basic haptic feedback on key presses, delivering tactile confirmation through vibration, alongside the inherent tactile response of the physical keys.[25]Hardware
Processor and memory
The HP Pre 3 is equipped with a Qualcomm Snapdragon S2 MSM8655 processor, featuring a single-core 1.4 GHz Scorpion CPU designed for efficient mobile computing tasks of its time.[23] This chipset, built on a 45 nm process, provided the core processing power for running webOS applications and handling basic multitasking.[25] For graphics rendering, the device incorporates the Adreno 205 GPU integrated into the Snapdragon S2 platform, which supported 2D and 3D acceleration suitable for the era's mobile games and interface animations.[10] The GPU operated at up to 266 MHz, enabling smooth visual performance in webOS environments without advanced features like those in later multi-core systems.[29] Memory configurations include 512 MB of LPDDR2 RAM, allocated primarily for system operations and application switching in webOS's card-based multitasking paradigm.[10] This RAM capacity, clocked at 333 MHz, allowed for running multiple lightweight apps concurrently but was constrained compared to subsequent smartphone standards.[29] Internal storage options were 8 GB or 16 GB, both non-expandable and representing raw hardware allocation without user-upgradable slots, sufficient for storing apps, media, and webOS data at launch.[23] The overall hardware setup emphasized multitasking capabilities, with the 1.4 GHz processor enabling professional workflows like email and browsing, though limited by single-core architecture relative to 2011 contemporaries.[30]Display
The HP Pre 3 is equipped with a 3.58-inch capacitive multitouch TFT LCD display, providing a compact yet vibrant viewing experience suitable for its slider form factor.[10] This screen size contributes to a screen-to-body ratio of approximately 51.4%, balancing portability with usability for webOS interactions.[10] The display offers a resolution of 480 x 800 pixels in WVGA format, achieving a pixel density of about 261 ppi, which ensures sharp text and images despite the modest dimensions.[10][23] Reviews highlight its color reproduction and sharpness as standout qualities, with vibrant hues and high clarity that enhance media consumption and app navigation.[22] The capacitive touch technology supports multi-touch gestures, enabling intuitive pinching, swiping, and tapping for efficient user input.[23] In terms of visual performance, the TFT LCD panel delivers viewing angles comparable to premium AMOLED displays of the era, maintaining consistent image quality from various orientations without significant color shift or washout.[22] This makes it particularly effective for indoor use, where the display's high pixel density and responsive touch layer facilitate seamless multitasking in webOS, such as flipping between application cards.[22]Camera
The HP Pre 3 is equipped with a 5-megapixel rear camera featuring autofocus and an LED flash, capable of capturing images at a resolution of 2592 x 1944 pixels.[10][31] This camera supports geo-tagging for location-based metadata and digital zoom for framing shots, along with basic editing tools such as cropping and color adjustments available directly in the camera interface.[31][32] For video recording, the rear camera records in 720p HD at 30 frames per second, providing smooth playback suitable for casual use.[2] The rear camera is positioned on the back panel of the device, integrated near the top edge for optimal alignment during handheld shooting. A front-facing VGA camera (0.3 megapixels) is included for video calls and self-portraits, located above the display for easy access during screen-facing use.[23][2] Photos and videos are stored in the device's internal memory, with 8 GB available for media files.[10]Battery and charging
The HP Pre 3 features a removable lithium-ion battery with a capacity of 1230 mAh.[10] This battery supports up to 5 hours of talk time and up to 300 hours of standby time on 3G networks.[10] Charging is handled via a Micro-USB port, which also enables data synchronization and mass storage functionality, though the device lacks wireless charging capabilities.[23] The battery's design aims to support webOS's card-based multitasking, providing a full day of moderate use including 3G, GPS, and Wi-Fi activity, yet it has been critiqued for not excelling in endurance compared to contemporaries.[22][26]Connectivity
The HP Pre 3 supported quad-band GSM for 2G connectivity across 850, 900, 1800, and 1900 MHz frequencies, enabling global roaming in most regions.[10] For 3G, the GSM variant featured tri-band HSPA on 900, 1900, and 2100 MHz bands, with download speeds up to 14.4 Mbps and upload speeds up to 5.76 Mbps in HSPA+ compatible networks, such as those offered by AT&T.[24] [33] A dedicated CDMA variant was announced for the US market, intended primarily for Sprint, supporting CDMA2000 1xEV-DO Rev. A with speeds up to 3.1 Mbps downlink.[23] [34] [35] Wireless local area networking was provided via Wi-Fi 802.11 a/b/g/n, supporting both 2.4 GHz and 5 GHz dual-band operation for improved performance in congested environments.[2] [29] The device could function as a mobile hotspot, sharing its cellular data connection with up to five other Wi-Fi-enabled devices simultaneously.[36] [24] Bluetooth connectivity was handled by version 2.1 with Enhanced Data Rate (EDR), supporting profiles including A2DP for stereo audio streaming to compatible headsets and speakers.[37] [2] Location services were enabled through integrated GPS with A-GPS assistance for faster satellite acquisition and improved accuracy in urban areas.[24] Physical data transfer and charging utilized a micro-USB 2.0 port, supporting USB tethering for connecting to computers.[29] [2]Audio and sensors
The HP Pre 3 includes a 3.5 mm headphone jack for connecting wired headphones or external speakers, enabling high-quality audio output. It supports playback of various audio formats, such as MP3, AAC, eAAC+, WAV, and AMR, suitable for music and other media consumption. The device features a built-in loudspeaker for calls and media, paired with vibration capabilities that provide haptic feedback for notifications and interactions.[37][23][38] For audio input, the HP Pre 3 incorporates a noise-canceling microphone system with active noise cancellation via a dedicated secondary microphone, which helps reduce background noise during calls and recordings. This setup enhances voice clarity in noisy environments. Audio for video calls is integrated through this microphone system, working in conjunction with the front-facing camera to support clear communication.[37][39] The device is equipped with several sensors to improve user interaction and functionality. An accelerometer detects device orientation and motion, enabling features like screen rotation. A proximity sensor identifies when the phone is near the user's face during calls, automatically turning off the display to prevent accidental touches and conserve battery. An ambient light sensor measures surrounding illumination levels, allowing the device to respond to environmental conditions. These sensors contribute to a more intuitive and efficient user experience.[37][10][38]Software
Operating system
The HP Pre 3 featured webOS 2.2.4 as its operating system, a Linux kernel-based platform originally developed by Palm Inc. and acquired by Hewlett-Packard in 2010, positioning it as the direct successor to Palm's inaugural webOS release for mobile devices.[40][17] The device initially shipped with webOS version 2.2 in mid-2011, incorporating foundational enhancements over prior iterations, and later received an over-the-air update to 2.2.4 in December 2011 that addressed minor stability and performance issues.[41][42] Following this final update, HP ceased official software support for the Pre 3 and webOS devices in general, with no further updates provided after 2011 amid the company's strategic pivot away from the platform.[43][44] webOS 2.2.4's architecture emphasized card-based multitasking, where active applications appeared as stackable virtual cards for intuitive switching and management, alongside native support for HTML5 applications built with web technologies like JavaScript and CSS.[45] Cloud syncing was enabled through the Synergy service, which unified contacts, calendars, and other data across linked HP webOS devices without requiring manual intervention.[41] Underpinning the system was a customized Linux kernel, paired with the Qt framework to facilitate development of native applications alongside web-based ones.[40][46]User interface features
The HP Pre 3's user interface, powered by webOS 2.2, emphasized intuitive touch-based interactions through a dedicated gesture area below the capacitive touchscreen, enabling seamless navigation without relying heavily on physical buttons. This area supported fluid swipes for core functions, such as app switching and accessing system overviews, complementing the device's multitouch capabilities for a responsive experience on its 3.58-inch display.[47][48] Gestures formed a cornerstone of webOS navigation on the Pre 3, with the gesture area facilitating quick transitions between tasks. Users could swipe left or right across this area to cycle through open applications, mimicking a palm-like swipe for efficient app switching without interrupting workflow. An upward swipe from the gesture area summoned the cards view, while a backward swipe within apps returned to previous screens, promoting a gesture-driven paradigm that reduced menu diving. Standard multitouch gestures, including pinch-to-zoom for content scaling in browsers and media viewers, were also integrated, though webOS prioritized single-finger interactions for broader accessibility. Notifications appeared as subtle banners at the screen's bottom, dismissible via swipe, ensuring they integrated without overwhelming the interface.[47][49][50] Multitasking on the Pre 3 utilized a stacked "cards" view, where each open application appeared as a draggable, live thumbnail card arranged horizontally for easy oversight. Users accessed this view via the upward gesture swipe, allowing them to flick cards left or right to rearrange, tap to resume, or swipe upward to close and free memory— a method that visually represented task management without abstract menus. This system supported up to several concurrent apps, depending on the 512MB RAM, though heavier usage could lead to occasional reloads. Complementing this, the Just Type search feature enabled universal querying by simply typing on the physical keyboard from any screen, surfacing results across contacts, apps, web searches, and device functions in a prioritized pop-up list for rapid access.[47][48][51] Synergy, a key webOS integration tool on the Pre 3, allowed users to link multiple accounts—such as Google, Facebook, Microsoft Exchange, and Yahoo—into unified views for contacts and calendars, automatically syncing data across linked devices like the HP TouchPad. This created a centralized hub where, for instance, a contact's details from disparate services merged into one profile, with updates propagating in real-time to maintain consistency without manual imports. Calendar events from various sources aggregated into a single timeline, facilitating cross-device planning, though it required initial account setup via the device's settings.[47][41][13] Customization options in the Pre 3's interface were functional yet constrained by webOS's design and the hardware's capabilities. Users could personalize up to five home screens with app shortcuts, static icons, and basic widgets from the quick launch bar, rearranging them via long-press drags for tailored layouts. Themes were limited to system-wide color accents and wallpaper changes accessible through settings, without deep personalization like icon packs. Widget support leaned on the cards system for glanceable info, but live updates were inconsistent—e.g., email previews refreshed only on interaction—due to the processor and memory limits, prioritizing stability over dynamic elements.[48][51][52]Pre-installed applications
The HP Pre 3 was bundled with a suite of core applications native to webOS 2.2, emphasizing seamless integration through features like Synergy for data synchronization across services. These apps provided essential tools for communication, organization, and basic media handling, with many leveraging the OS's card-based multitasking for efficient use. Social networking clients were also pre-loaded to facilitate quick connectivity.| Application | Description |
|---|---|
| Web | The default web browser supported standard web technologies, including HTML5, for accessing websites and online content. It featured tabbed browsing and integration with the OS's Just Type search function.[53] |
| Email (Mail) | A versatile email client that supported multiple protocols, including IMAP, POP3, and push services for accounts like Gmail, Yahoo Mail, and Microsoft Exchange. It allowed threaded conversations and attachment handling.[26][22] |
| Messaging | Handled SMS and MMS communications, with built-in support for instant messaging via AIM, Yahoo Messenger, Google Talk, and Skype. It included group chat capabilities and media sharing.[22] |
| Calendar | Part of the Synergy system, this app aggregated events from email accounts, social networks, and Facebook, providing a unified view with reminders and sharing options.[22] |
| Contacts | Synergy-powered address book that merged data from multiple sources, such as email, Facebook, and LinkedIn, for a single, searchable list with photo integration.[22][26] |