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Android Os 2.2 Kernel 2.6.32 Build Number V1.5.7

Android OS 2.2 Kernel 2.6.32 Build Number V1.5.7: What You Need to Know

Android is a popular operating system for mobile devices, such as smartphones and tablets, developed by Google and the Open Handset Alliance. Android is based on the Linux kernel, which is the core component of the operating system that manages the hardware resources and provides the basic functions for the applications. The kernel version of an Android device can be found in the Settings > About Phone > Kernel Version menu. The kernel version indicates the level of compatibility, performance, and security of the device, as well as the features and updates that are available. In this article, we will explore what Android OS 2.2 Kernel 2.6.32 Build Number V1.5.7 means and what you need to know about it.


What is Android OS 2.2?

Android OS 2.2, also known as Froyo (short for frozen yogurt), is the sixth version of Android, released in May 2010. Android OS 2.2 introduced several improvements and new features, such as:

  • Support for Adobe Flash Player 10.1, which enabled users to view rich web content and games on their devices

  • Support for USB tethering and Wi-Fi hotspot, which allowed users to share their device's internet connection with other devices

  • Support for installing applications on the external storage (SD card), which increased the available memory for apps

  • Support for voice dialing and contact sharing over Bluetooth

  • Improved speed and performance, thanks to the JIT (just-in-time) compiler, which optimized the execution of applications

  • Improved user interface, with new home screen widgets, live wallpapers, and app launcher

  • Improved security, with remote wipe, device lock, and password expiration features

What is Kernel 2.6.32?

Kernel 2.6.32 is the Linux kernel version that was used by Android OS 2.2 Froyo. Kernel 2.6.32 was released in December 2009 by Linus Torvalds, the creator of Linux. Kernel 2.6.32 included several enhancements and bug fixes, such as:

  • Support for new hardware devices, such as cameras, sensors, audio codecs, and wireless chips

  • Support for new file systems, such as Btrfs, NILFS2, and exofs

  • Support for new network protocols, such as SCTP (Stream Control Transmission Protocol), DCCP (Datagram Congestion Control Protocol), and MPTCP (Multipath TCP)

  • Improved power management, with new features like tickless idle, dynamic ticks, and clock modulation

  • Improved security, with new features like SELinux (Security-Enhanced Linux), AppArmor (Application Armor), and TOMOYO Linux

What is Build Number V1.5.7?

Build Number V1.5.7 is a specific version of Android OS 2.2 Kernel 2.6.32 that was customized by some manufacturers or developers for their devices or ROMs (Read-Only Memory). A ROM is a modified version of Android that can be installed on a device to replace the original firmware. A build number indicates the date, time, and sequence of the ROM creation. Build Number V1.5.7 may have some differences from the official Android OS 2.2 Kernel 2.6.32 in terms of features, performance, stability, and compatibility.

How to Update or Flash Android OS 2.2 Kernel 2.6.32 Build Number V1.5.7?

If you have a device that runs on Android OS 2.2 Kernel 2.6.32 Build Number V1.5.7 and you want to update or flash it to a newer or different version of Android, you will need to follow some steps, such as:

  • Backup your data, such as contacts, messages, photos, and apps, to avoid losing them during the process

  • Download the firmware or ROM file that you want to install on your device from a reliable source, such as [Slatedroid] or [XDA Developers]

  • Download and install the drivers and tools that are compatible with your device and firmware, such as [Rockchip Batch Tool] or [Livesuit]

  • Connect your device to your computer using a USB cable or a Micro SD card

  • Run the tool that you downloaded and follow the instructions on the screen to flash or update your device

  • Reboot your device and enjoy the new version of Android

Note: Flashing or updating your device may void your warranty, brick your device, or cause other problems. Do it at your own risk and responsibility. Make sure you follow the instructions carefully and use the correct firmware and tools for your device.


Android OS 2.2 Kernel 2.6.32 Build Number V1.5.7 is an old version of Android that was released in 2010. It has some features and improvements that were new at that time, but it may not be compatible with the latest apps and games. If you have a device that runs on this version of Android, you may want to update or flash it to a newer or different version of Android, but you will need to backup your data, download the firmware and tools, and follow the steps carefully.


  • [Android (operating system)]

  • [Linux kernel]

  • [How to Check Android Version & Kernel Version]

  • [Slatedroid]

  • [Android version history]

  • [List of Linux kernel versions used by Android devices]

  • [Linux kernel 2.6.32]

  • [What is an Android Build Number?]

  • [What is a ROM?]

  • [What is a Build Number?]

  • [How to Flash an Android Tablet]

  • [XDA Developers]

  • [Rockchip Batch Tool]

  • [Livesuit]


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