Stock ROM vs Custom ROM ??

Stock ROM vs Custom ROM

Let's begin with a one-line definition of ROM, ROM means Operating System installed in Read-Only Memory of mobile device. Actually, there are two meanings of Stock ROM, two totally different from one another.

Stock ROM
 vs Custom ROM
Stock ROM means Operating System or ROM which comes pre-installed by smartphone manufacturers, on the other hand, it also means that ROM/OS which comes without any modifications in User Interface and the overall environment and looks the same as designed by Google. For instance, Oneplus's Oxygen OS, Samsung's One UI, Xiaomi's MIUI, Huawei's upcoming Harmony OS and many others. All of these are entirely based on Android but with a lot of customizations and modification including unique features limited to their particular skinned OS.
Custom ROMs are developed using the open-source code of Android which is maintained and updated by Google. Just like Stock ROMs, custom ROMs are built for specific devices, custom OS available for one particular device cannot be installed on any other devices for which it isn't made.

Well, we are here to compare and seek out the difference between Stock ROM(One which comes pre-installed in mobile devices) and Custom ROMs
.

  •  Customization

Stock ROMs are generally built with stability in mind, and customization options
do not have much priority. Usually, very few or almost no customizations are there.
Well, in the case of custom OS, almost a bulk of customization options are there.
Users can personalize literally any element of UI. Everything is pre-setup, only
the thing we have to do is play with all the toggle buttons and get the desired look.
Ultimately, it makes the device look more beautiful than before(Stock ROM/Firmware).
Few most frequently used customization/features are -
- Swiping over the status bar to increase/decrease brightness.
- Remapping hardware/software buttons to whatever one(personally I liked holding
recent button turn off screen and lock)
- Substratum for various beautiful themes on user-installed apps(ie. Whatsapp,
Instagram, etc)
- Double-tap to wake the device and the same on the lock screen to turn the screen off.
- Holding volume up/down button when the screen is off to play next/previous track.
And many many more.

  •  Android Updates

After a particular period of time, we are left with an older version of Android on our device, and there are no more software updates available
for mobile. Being stuck in an old boring UI/UX isn't a choice anymore,
custom ROMs bring a newer version of Android with all its new features in
supported older devices. For instance, I'm using Redmi Note 5, probably Redmi's last Android update to Redmi Note 5 will be Pie only, but I'm phone is
already running an Android 10 Custom ROM.

  •  Mobile Warranty

It is one of a few demerits (It isn't actually) of installing a Custom ROM.
Installing Custom ROM or rooting mobile devices voids brand warranty,
which may cause some financial loss if you're unlucky.
If mobile gets brick while rooting or installing ROM, the brand service center may ask for charges for fixing or reinstalling stock ROM/Firmware.
If you're are a tech frick, you can fix these kinds of problems yourself, so there will be nothing to worry about. And as per terms & conditions,
the device doesn't come under warranty in case of physical damage at all.

  • Experience of other brand's OS

Other than the sober stock version of Android, some custom skinned OS can also be enjoyed in the name of custom ROMs. Most popularly used custom skinned OS is MIUI and Oxygen OS. Well, these kinds of custom ROMs make the user feel like he/(rarely she) just have bought a new mobile device. 

  • Security and Safety

Talking about the security and safety of the user, Stock ROMs provided by default by handset manufacturers are considered as more secure as compare to any other custom ROM as they are trustable than random ROM developers. But it isn't like that. As mentioned above, after a time, mobile manufacturers stop updating older mobile devices, which are easy targets for hackers, and if in case of custom ROMs, security patches are monthly updated for all the devices along with Google. Custom ROMs are stable, featureful, as well as safe.
  • Performance and UX

In the name of performance, we can tweak CPU clock speed as per our need, to either get more from the battery or get to better performance by utilizing all of the hardware resources which indirectly drains the battery a little more than usual. 
As per my experience, even beta level ROMs are stable enough to be used as a daily driver. Although if there a few bugs, they are mention on ROM's specific forum. 

The most popular and widely used custom ROMs from the past few years are Havoc OSAEX (AOSP Extended)Lineage OSPixel ExperienceDOT OS and few more.
Afterall, you should try a custom ROM atleast once on your device(If it have good amount of stable ROMs. It includes only a few steps, each of them is sensitive to your phone or may brick if not performed right manner. 
Visit xda-developers.com for more information about rooting, modding, unlocking bootloader, customizing, and trying cool custom ROMs in your mobile. 

That's all guys, tell us about your opinion below :)

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