Android is an open source mobile operating system based on the Linux kernel. It was invented by Andy Rubin, Rich Miner, Nick Sears, and Chris White at Android Inc. in 2003. Google acquired Android Inc. in 2005. The first Android phone, the HTC Dream, was released in 2008. Android has gone through many version updates from 1.0 to the current version 10.0. It is the most popular mobile OS worldwide. Key features of the latest Android 9 include new lock options, emojis, better indoor navigation, and digital wellbeing tools. Various smartphone manufacturers customize Android for their devices with different ROMs like MIUI, ColorOS, OxygenOS, and One UI.

2. What is Android
Android is a open source mobile operating system based on a modified
version of the Linux kernel and other open source software, designed
primarily for touchscreen mobile devices such as smartphones and
tablets.
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3. What is Kernel
The kernel is the essential center of a computer operating system (OS).
It is the main layer between the OS and hardware, and it helps in process
and memory management, file systems, device control and networking.
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4. Who Invent Android
Android Inc. was founded in Palo Alto, California, in October 2003
by Andy Rubin, Rich Miner, Nick Sears, and Chris White.
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5. Present Owner of Android
In July 2005, Google acquired Android Inc. for at least $50 million
(in Indian Rupee 3,55,11,00,000.00Rs). Its key employees, including
Rubin, Miner and White, joined Google as part of the acquisition.
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6. World’s First Android Phone
The world's first Android phone launched by HTC(High Tech Computer)
Company on 20th October 2008. This phone, named HTC Dream, is also
known as T-Mobile G1.
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7. OS Market Share in India
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8. Android Version A to Q
Android 1.0: Alpha
Android 1.1: beta
Android 1.5: Android Cupcake
Android 1.6: Android Donut
Android 2.0: Android Éclair
Android 2.2: Android Froyo
Android 2.3: Android Gingerbread
Android 3.0: Android Honeycomb
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Android 4.0: Android Ice Cream Sandwich
Android 4.1 to 4.3.1: Android Jelly Bean
Android 4.4 to 4.4.4: Android KitKat
Android 5.0 to 5.1.1: Android Lollipop
Android 6.0 to 6.0.1: Android Marshmallow
Android 7.0 to 7.1: Android Nougat
Android 8.0 to Android 8.1: Android Oreo
Android 9.0: Android Pie
Android 10.0: Android Q
Latest Android Version

9. Features Of Android 9
 New lock options
 New Emojis
 Better indoor navigation
 It is easier to take a screenshot
 Helpful AI features
 Digital Wellbeing
 New Volume & Screenshot Interface
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 Improved flow with more speed
 Battery management is better now
 More customization
 Better display of notifications
 Dual Camera Support for developers
 Privacy improvements at apps
 Focus Mode

10. Features Of Android 9
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11. Features Of Android 9
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12. Features Of Android 9
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13. Different Custom ROM
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Xiaomi’s Custom ROM

14. 14
Oppo’s Custom ROM VIvo’s Custom ROM

15. 15
Samsung Custom ROM : One UI Realme Custom ROM : Realme UI

16. 16
One Plus Custom ROM : OxygenOS Samsung Custom ROM : Tizen OS
Jio Phone Custom ROM : KaiOS

17. Problems in Android 9.0 Pie
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Some Apps Fail to Work
Boot-loops
Lockups and Freezes
Phone Rotation Issues
Various Connectivity (Bluetooth, Wi-Fi, GPS) Problems
Like every Android update, it might slow down the old devices.
The gesture setup might be confusing for the new users.

18. Any
Query…
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Related To Previous
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19. THANK YOU
Bhawani Singh Chouhan
BCA Final Year