From Palm OS Smartphones to LG WebOS Smart TVs 1. Palm OS Origins 2. Birth of WebOS (Palm Era) 3. HP Acquisition 4. LG Acquisition and Transformation 5. Current Status 6.Summary 7.Architecture and Features 8.Representative Devices 9.Comparison with Other OS Feature WebOS Android iOS Source Model Linux-based, proprietary Open-source (AOSP + proprietary GMS) Closed-source Original Use Smartphones Smartphones, tablets, TVs iPhones only Current Use Smart TVs, IoT devices Smartphones, TVs, wearables Smartphones, tablets, wearables Status (Mobile) Discontinued (2011) Active Active
1.Firefox OS: Mozilla’s Open Web Mobile Platform Firefox OS was a mobile operating system developed by Mozilla, based on the Linux kernel and the Gecko rendering engine. It aimed to bring the open web to smartphones, using HTML5 apps instead of native applications. 2.Historical Background 3.Architecture and Features 4.Representative Brands & Devices 5.Comparison with Other Mobile OS Feature Firefox OS Android iOS Source Model Open-source Open-source (AOSP + proprietary GMS) Closed-source App Ecosystem Web apps via Firefox Marketplace Google Play Store Apple App Store Target Market Low-cost smartphones, emerging markets Global smartphones, tablets, TVs Premium smartphones (iPhone only) Status Discontinued (2016 for phones) Active Active
1.KaiOS: Smart Features for Feature Phones KaiOS is a mobile operating system based on the remnants of Mozilla’s Firefox OS. It is designed to bring smartphone-like features (apps, 4G, Wi-Fi, GPS) to affordable feature phones with physical keypads. Its mission is to provide internet access to billions of people who still use basic phones. 2.Historical Background 3.Architecture and Features 4.Representative Brands & Devices 5.Comparison with Other Mobile OS Feature KaiOS Android iOS Source Model Source-available (partially closed) Open-source (AOSP + proprietary GMS) Closed-source Target Devices Feature phones Smartphones, tablets, TVs iPhones only App Ecosystem KaiStore (limited but growing) Google Play Store Apple App Store Market Share Niche, strong in India & Africa Largest globally Premium global market Status Active, latest...
1.Tizen OS: Samsung’s Open-Source Platform Tizen OS is a Linux-based, open-source operating system developed by Samsung and the Linux Foundation. It was originally designed for smartphones, smart TVs, wearables, and IoT devices. Today, Tizen is primarily used in Samsung Smart TVs, smartwatches, and connected appliances, while its smartphone branch has been discontinued. 2.Historical Background 3.Architecture and Features 4.Representative Devices 5.Comparison with Other Smart Device OS Feature Tizen OS Android TV / Wear OS WebOS (LG) Source Model Open-source + proprietary parts Open-source (AOSP + proprietary GMS) Proprietary (LG) Main Use Samsung TVs, wearables, IoT TVs, smartphones, wearables LG TVs App Ecosystem Samsung App Store, limited Google Play Store LG Content Store Market Share Strong in Samsung TVs Largest globally Niche,...
1.HarmonyOS: Huawei’s Distributed Operating System HarmonyOS is a multi-platform operating system developed by Huawei. Unlike traditional mobile OS platforms, HarmonyOS is built as a distributed OS, meaning it can seamlessly run across different device types — from phones and tablets to smart TVs, wearables, and IoT devices. It integrates tightly with Huawei Mobile Services (HMS) and AppGallery, Huawei’s alternative to Google’s ecosystem. 2.Historical Background 3.Architecture and Features 4.Representative Devices 5.Comparison with Other Mobile OS Feature HarmonyOS Android (Google) iOS (Apple) Source Model Hybrid (open + proprietary) Open-source (AOSP + proprietary GMS) Closed-source Design Distributed, cross-device Mobile-focused, customizable Mobile-focused, tightly controlled App Ecosystem Huawei AppGallery, Quick Apps Google Play Store Apple App Store Market Share Strong in China, growing globally Largest...
1.BlackBerry OS: Secure Communication for the Enterprise Era BlackBerry OS was a mobile operating system designed exclusively for BlackBerry smartphones. It emphasized secure communication, multitasking, and productivity, making it the preferred choice for businesses and governments in the 2000s. 2.Historical Background 3.Architecture and Features 4.Representative Devices 5.Comparison with Other Mobile OS Feature BlackBerry OS iOS (Apple) Android (Google) Source Model Closed-source Closed-source Open-source (AOSP) Strength Secure email, enterprise integration User-friendly, app-rich ecosystem Customizable, largest app library App Ecosystem Limited, enterprise-focused Large, curated App Store Largest, diverse Play Store Market Share Dominant in 2000s enterprise market Strong in consumer market Largest globally Status Discontinued (2013) Active Active
1.Symbian OS: The Mobile Giant of the 2000s Symbian OS was a proprietary mobile operating system originally derived from Psion’s EPOC32 in the late 1990s. It became the dominant smartphone platform of the 2000s, powering millions of devices across multiple brands, most notably Nokia. Symbian was known for its multitasking, adaptability, and early support for mobile internet and apps. 2.Historical Background 3.Architecture and Features 4.Brands That Used Symbian 5.Representative Models 6.Comparison with Other Mobile OS Feature Symbian OS iOS (Apple) Android (Google) Source Model Proprietary (briefly open-source) Closed-source Open-source (AOSP) Interface S60, UIQ, MOAP variants App grid, minimalist Highly customizable App Ecosystem Fragmented, limited Curated App Store Largest, diverse Play Store Market Share Dominant in 2000s, declined after 2010 Growing...
1.Windows Phone: Microsoft’s Bold but Short-Lived Mobile OS Windows Phone was a proprietary mobile operating system developed by Microsoft, designed to compete with iOS and Android. It introduced a distinctive “Live Tiles” interface, tight integration with Office and Xbox services, and aimed to unify the mobile experience with the broader Windows ecosystem. 2.Historical Background 3.Architecture and Features 4.Comparison with Other Mobile OS Feature Windows Phone iOS (Apple) Android (Google) Source Model Closed-source Closed-source Open-source (AOSP) Interface Live Tiles, Metro UI App grid, minimalist Highly customizable App Ecosystem Limited, fewer apps Large, curated App Store Largest, diverse Play Store Market Share Peaked ~3–4% globally ~20% globally ~70% globally Status Discontinued (2020) Active Active
1.iOS: Apple’s Unified Smartphone Experience iPhone is Apple’s Revolutionary Smartphone The iPhone is Apple’s flagship smartphone line, first introduced in 2007. It runs exclusively on iOS, Apple’s proprietary mobile operating system. Unlike Android devices, which share a common OS across many manufacturers, the iPhone and iOS are designed together, ensuring tight integration of hardware and software for performance, security, and user experience. 2.Historical Background 3.Architecture and Features iPhone (Hardware) iOS (Software) 4.Types of iPhones Model Description Standard iPhone Mainstream models (e.g., iPhone 15, 16, 17). iPhone Pro Premium models with advanced cameras and displays. iPhone Air (2025) Lightweight model focusing on portability. iPhone SE Budget-friendly model with classic design and modern internals. 5.Real-World Example: iPhone 15 Pro (2023) 6.Comparison with...
1.Android: Open-Source Core with Google Ecosystem Android is a mobile operating system developed by Google and the Open Handset Alliance. It is based on the Linux kernel and designed primarily for smartphones and tablets, but also powers smart TVs, cars, and wearables. Android combines an open-source foundation with optional proprietary services from Google. 2.Historical Background 3.Open-Source Nature 4.Relationship with Google Mobile Services (GMS) 5.Architecture and Features 6.Summary 7.Comparison with Other Mobile OS Feature Android iOS (Apple) HarmonyOS (Huawei) Source Model Open-source (with proprietary parts) Closed-source Hybrid (open + proprietary) Customization Very high (skins, themes, OEM tweaks) Limited (Apple-controlled) Moderate App Store Google Play + third-party stores App Store only AppGallery + APKs Market Share Largest globally Strong in premium markets...
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