What Is Firmware And ROM flashing in Android

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Android Flashing

You might have heard about some or all of the following:
Custom ROMs, Stock ROMs, AOSP, CyanogenMod/ CM, Paranoid Android/ PA, SlimROM, MIUI, HTC Sense, TouchWiz, Rooting etc. You might wonder what are these terms or maybe you are little familier with them. This article is only for the android fans and who wants the most out of their smartphone. Here is the description about all.
We will cover these information in following sections:

1. Operating System
2. ROM
3. Firmware
4. Flashing

We are going to start from the very basics for those of us who are entirely new to the smartphone world and do not have any idea on how things go in it. What Is Firmware And ROM? You can skip the sections if you already know.

What Is Firmware And ROM flashing in Android

 

1. Operating System

The base is the operating system. As we know that, computers require certain system software called an operating system to operate. Most common examples of desktop, laptop & server operating systems are Windows, Mac OS X and Linux, while popular mobile operating systems are Android, Windows 8, Apple iOS, Symbian OS, BlackBerry OS etc. Most modern consumer electronics such as digital TVs, microwave ovens, set-top boxes etc. also need operating systems to function but usually, that only involves loading the operating system and running it in a predefined manner. That brings us to ROM.

2. What is ROM?

It stands for Read-Only Memory. It refers to the internal storage of a device, which is supposed to contain the operating system instructions that needn’t be modified at all during the device’s normal operation. For this reason, such instructions are stored in read-only memory, much like on a non-rewriteable CD or DVD. This makes sure that no changes are made to them that could possibly make the device malfunction

3. What is Firmware

Firmware are the read-only operating systems that we just discussed above. The users of the device doesn’t have the modification access of firmware. However modification of firmware is still possible. Many devices require specialized hardware to be used for the firmware. While other devices have the storage set as read-only through software protection only. It can be removed or overridden without the need for any specialized hardware, often just by using software written for the purpose. Rooting do the same thing. It need not always requiring connection to a computer. Firmware and Operating Syatem refer to the same thing and these words can be interchanged in these devices.

4. What is Flashing

The ROM memory used in smartphones and tablets etc. is often same as flash memory found in SD cards and USB flash drives, simply optimized for better speed and performance while running the operating system. As explained above, it is read-only under normal usage and requires a special procedure for any modifications to be made to its contents. The procedure of modifying or replacing the contents of such flash memory is known as flashing. Thus, in layman’s terms, flashing is essentially the same as installing or modifying the firmware of a device that is stored on its protected flash memory.

Wanna know about rooting? Read here: What is Rooting

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