Difference Between Custom ROM vs Stock ROM - General Topics

Android operating system is very popular Operating system for mobile among all the operating systems. Android
operating system based on Linux, developed by Android, Inc in 2015 later google purchase android and
took over its development. The android operating system is open source and free. All the Codes release on an
open-source Apache License which means anyone can build Customizable Os by downloading the full
source code. Not only the Rom of a smartphone, but the processor of a smartphone have also a vital role.
If you are using an Android smartphone, then at least once for a while you will have updated the version of Android.Or if you want to update the android version then you will find there are two ways to do that.And we’ll discuss about these two methods one by one.And in the end you will be able to understand which one is right for you.
-What is a Stock Rom?​Stock ROM is an operating system developed by manufacturer itself when we purchase a mobile.But, in stock rom the manufacturers limits the function and feature of the phone or tablet for our
safety purposes.A Stock ROM basically based on the Android platform and its open source. Any developer can
easily access the code and edit it, recompile it, and re-release it, this is called CUSTOM ROM.
-What is Custom ROM ??​
In simple word,Its the modified version of stock rom.Custom ROMs are usually made by third-party developers which consist lots of customization.It can be used by other phones which can unlock extra feature also
increase performance and battery life at the same time.When some of the manufacturer company
stopped providing updates for certain devices which means you cannot get any further updates but at that time with the help
of custom ROM we can update our phones to next android version .
Advantages of Stock ROM​Security – Security is the key reason why people prefer STOCK ROM over Custom ROM. Each stock ROM is developed by reputed companies so there is no chance for any kind of malware to attack
our device because some devices come with Locked Bootloader. Due to which you have to unlock the Bootloader in order to install Custom ROM.That is why your mobile is much safer due to security.
Warranty– As long as you are in the STOCK ROM, your mobile will have a warranty.That’s why most of the users shift to the STOCK ROM after the warranty void.And stick with STOCK ROM for that purpose.This is one of the
reasons why users don’t use custom ROM over Stock ROM.
However, even after unlocking the mobile bootloader, many manufacturing companies offer warranties, although.
-Disadvantages of Stock ROM​
-Performance
Manufacturers limit the device, as the device may overheat when it reaches its limit. Due to which you have to face problems from sometime during heavy task. Like multiple task or playing games, etc.
-Less Space Many unwanted apps come pre-installed in stock ROM. Which we cannot easily remove or uninstall, because these are system apps Which very quickly fills our mobile storage. It
is the most unliked part of Stock ROM.
-Updates -Most irritating part of Stock ROM is that you need to wait a long for your manufacturer to send
the update to get new and exciting features in your device. Also after sometime manufacturer, stops
sending the update. In that case, you are stuck on the same android version with old features.
-Advantages of Custom ROM​
-Customizable
Android Custom ROMs are highly customizable. It is very easy to install different custom ROMs nowadays. You can
easily customize the looks of the system ui and also enhance the performance of the system at the same time.
-Better Performance and Battery life
On Custom ROM you can customize your device as you want which
means there will be no unwanted app like Stock ROM.Custom ROMs allow you to turn off background processes that consume a lot of RAM and battery and internet data. With custom ROMs, you
can find a ROM customized to your unique device. That means better performance, greater battery life.
-Frequently updates
How many of you still didn’t get the android 10 updates?? isn’t frustrating ,how do you feel when you find out that there is a new Android version available for your mobile but your manufacturing company has stopped giving updates and because of this the demand for Custom ROMs has increased tremendously.And using custom ROM we get the opportunity to use the features of the new Android System.
-Disadvantages of Custom ROM​
Like the Advantages, Custom ROMs have many disadvantages that many of you may not know about, here are some.
-Void Warranty
If you use a custom ROM during the warranty period, in most cases your mobile warranty will be void,but in some cases the process is
reversible.This means you will be able to return to the STOCK ROM and your mobile phone will have a warranty again if your device isn’t bricked .
Most of the time to install Custom ROM you need to have root installed on your mobile or have bootloader unlocked.
While unlocking devices or rooting most phones is easy, some phones require a complicated step to
install Custom ROM.Due to which many times our phone may be dead or our data may be lost
-Loss of data
To install a custom ROM, we have to wipe cache and format the data, many cases data on storage often deleted. You will be lost your saved settings and other
apps data also. Also formatting data and wipe cache cause you to lose contacts, messages, call logs, and apps backup and important documents etc etc.
-BUGS
Most of the custom ROMs are ported from other ROM, so if you want to use those features on your phone, you may have to face bugs sometimes.
Custom ROMs are complied by the developer not tested by any authority or genuine manufacturers. So,
it might contain some Bugs in it. If you are planning to install a Custom ROM then ready for face bugs.
-Security
As we know android is based on Linux and Linux is virus-free. In order to install a Custom ROM, we need
to unlock the phone bootloader or root our device this is the first step. Manufacturer locked our device,
for this reason, no third party app can affect our phone. But our device might get infected by malware if
the device is unlocked or rooted.Also, Many times we can’t use banking related app on our phone because of its root.
This Isn't any promotion topic,i covered all the points here but if you appreciate my work visit the link
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Related

rooting and kernals and general point

so i've bought myself a samsung galaxy s2, or i-9100, supposedly the best phone on the market, but ive only used nokia keypad phones before, and I'm pretty sure i'm not using my new phone to its full potential.
some questions, what is rooting? i get the idea it lets me do whatever i want?
if I root my phone, does that wipe my Operating System (gingerbread 2.3.3?) and all settings and installed things? Does it also wipe user data like texts or photos?
what's a kernel, or kernel version, kernel source code etc...?
I want to get rid of some of the samsung branding software, because i can't see an option to install them. but some features like swype i like, can i "selectively" debrand the phone?
The general point of what I want is I want my new phone to work like my computer, uninstall programs i don't want and install ones i do want. (i've only ever used Windows) But i don't seem to understand almost everything on this forum
Rooting your phone allows you to change roms, boot up themes and will let you remove most apps and allow you to get some you can't have with out root axx, but most roms already remove the carrier bloat ware. It will remove all your apps etc though and txt. Think of it like reinstalling your os on your pc, rooting your phone will make you admin on your phone instead of a normal user.
You can also underclock your phones cpu to save some battery life if you want when it's rooted.
You can just move your photos to your pc/sdcard...
Point is though, rooting your phone is worth it give yourself some time getting use to it maybe read up on it on here there are tons of great tuts to show you and explain things to you.
Like @zookeeper525 said, rooting gives you full access to your phone. The process does not erase data or settings. You can root on a stock ROM, then flash a rooted custom ROM. There are a lot of good ROMs out there, and you can usually get great performance and improved battery life from a custom ROM. Every device is different, so your experience may vary.
A kernal is the core of the Android operating system. Custom ROMs come with a kernal that has usually been tuned for their specific ROM, but there are also custom kernals available that have even more features (overclocking, underclocking, undervolting, etc.).
With any of this, you stand to gain lots of control over your phone, but can also brick it if you're not careful. My advice is read, read, read, then read again before you proceed.
Good luck!

[Q] Main reason to install custom ROM's on WP7

Hi,
I have been a WP user for a very long time (A journey which started with HTC Artemis)
I had started using the custom ROM's provided by some amazing chef's over here compared to what MS was dishing out.
I am not having the WP7 from the first day it had launched (Started with the mozart and now on lumia 800)
I have not yet tried to root the mobile or install a custom ROM in this as for the first time I am loving what MS has given.
Since there are quite a lot of people here who are using custom ROM and also rooting their devices I was wondering what I am missing.
If you have rooted your device or installed a custom ROM please let me know the advantages of rooting and/or installing a custom ROM.
I had searched the threads and could not find an answer anywhere so if this was posted somewhere before apologies.
This has definitely been asked (and answered) before, but the short version is that custom ROMs give deeper access to the system (ability to replace system files, which are locked in ROM, and ability to completely bypass the security system, for example). They also can include the best firmware features from multiple different OEMs. Current "rooting" ability gives less complete access than a custom ROM (for example, native EXEs aren't supported yet, although that's being worked on and should be available soon), but also maintains the OS's ability to receive official updates. Stock ROMs are also less likely to have bugs than custom ROMs, though they typically also offer fewer features.
Of course, part of it comes down to the model of phone you have. LGs can be rooted, but don't get custom ROMs. Lumia 710s (and a very lucky few Lumia 800s) can get custom ROMs, but we havent' been able to root their stock ROMs.
I had checked a few threads but did not find the complete list of benifits in one central place hence this thread.
I am giving below the benefits of rooting based on my little knowledge. It would be great if some one would be able to add to this very small list.
Pro's of rooting
1) Can install the best firmware for your phone regardless of your carrier and your location.
2) Can side load apps which are not approved by MS and not in the marketplace
3) SMS tones
4) Using the phone as mass storage (Not sure about this one)
5) Change the available fonts and metro theme colors
A very small list from me so it would be really great if someone could expand and also correct if the above list is wrong.
I just really dont know if I should custom rom mine. I have so many sms and mms, couple of my games are finished, and final fantasy is still halfway through. Carbon isnt in the marketplace anymore but I still have it. Also messages in whatsapp viber and kik, risking all those for full unlock and homebrew apps that I need but lived without since I bought a titan. If it were possible to export messages, and game progress, and import them back, then I'd definitely custom rom mine, else I'll just have to get a lumia 920 and then do a custom rom.
Ability to send all files through bluetooth to other phones is also great, you should really consider jailbreaking.
NeuroXT said:
I just really dont know if I should custom rom mine. I have so many sms and mms, couple of my games are finished, and final fantasy is still halfway through. Carbon isnt in the marketplace anymore but I still have it. Also messages in whatsapp viber and kik, risking all those for full unlock and homebrew apps that I need but lived without since I bought a titan. If it were possible to export messages, and game progress, and import them back, then I'd definitely custom rom mine, else I'll just have to get a lumia 920 and then do a custom rom.
Click to expand...
Click to collapse
It's defenetly worth trying out the 7.8 rom, with the windows phone 8 startsceen!! (link: http://forum.xda-developers.com/showthread.php?t=1908624)
I'm sure you won't regret this one!!! (Microsoft is said to release this February 2013!)
And after you have the Nokia apps (Maps, Music, Drive, City Lens & Counters) you won't let the custom rom's go!!!
(Use this HSPL guide: http://forum.xda-developers.com/showpost.php?p=32097753&postcount=14)
For the backing up part: USE CABSENDER! (http://xboxmod.sylvester20007.com/TOOLS/WP7-Update-Cab-Sender.rar) (as Admin)
Thanks sianto I really appreciate it, but I've read some posts around that backing up via cabsender and after installing a custom rom, you won't be able to use that backup anymore as the ID changes per rom install. Is this true? Is it not like in android where you perform a full nand backup and restore anytime?
NeuroXT said:
Thanks sianto I really appreciate it, but I've read some posts around that backing up via cabsender and after installing a custom rom, you won't be able to use that backup anymore as the ID changes per rom install. Is this true? Is it not like in android where you perform a full nand backup and restore anytime?
Click to expand...
Click to collapse
Well, it is unstable sometimes! But you just need to copy the folder xxxxx - xxxxx - xxxxx - xxxxx - xxxxx
x: is something random
from an temp folder called Windows Phone Update C:\Users\[username]\AppData\Local\Microsoft\Windows Phone Update
to an safe location, and (after flashing) place it back (with still an extra copy on a safe location) and just use R.
It "should" work!

Why root an android device?

I get asked sometimes why root an android device. What is your reasons for rooting and what are the benefits? I'd be interested to hear your views.
Sent from my Nexus 7 using xda app-developers app
st3vo_1986 said:
I get asked sometimes why root an android device. What is your reasons for rooting and what are the benefits? I'd be interested to hear your views.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Most phones come with the operating system "locked" by the manufacturers. They do not want their devices to be meddled with and made unusable by the user. There are valid reasons for them to do this, some I think will be as follows.
1. Maintain integrity of the phone they sell.
2. Lower Helpdesk cost. Users who do not know how, meddled and rendered phone un-usable during warranty and then make claims for repair under warranty terms. This will unrealistically increase the cost of providing repair works under the warranty period.
3. Ease of maintenance. There is one copy of the ROM. If the user brings in a phone that is not working, they will just flash the standard ROM over as a first check. This is easy to do for the first step of troubleshooting.
4. Avoid bad publicity- the word of mouth that there is a high rate of return for maintenance (due to incompetent wannabe phone hackers) spread and this creates a public image of the phone being "unreliable".
Reasons for rooting is mainly to be able to use the phone as how we like to use it. Some examples:
1. Not happy with the phone producer's version of Android user-interface. Same version of Android, but different manufacturers offer their own take on the user interface. By rooting the phone, the user can change to a custom ROM that he finds suitable.
2. Not happy with the manufacturer's choice of apps. For example, the media-player app. Without rooting, you cannot uninstall the media app that came with the phone ROM. Yes, you can install an additional media-player app, but then you will have some bloatware (manufacturer's app) that you cannot uninstall.
3. Change to a newer (or older) version of Android. E.g., Older phones that are rooted can upgrade from Android 2x to 4x, if the hardware is suitable.
4. Change operating system. After having an Android phone, a user might want to change his mind try out a Windows Phone. After rooting the phone, it is possible to change the operating system from Android to Windows and vice versa. A good example are the older WM6x phones, such as HTC Touch HD or HD2, they can be installed and work with Android, and if the user is not happy, revert to WM6x. Without rooting the phone, this cannot be done.
5. Build and install our own tailor-made custom ROM using a Kitchen+ROM of choice. Sometimes, a custom ROM provided by an independent developer may not be entirely suitable for all of us. With the Kitchen+ROM, it is possible to break-down the ROM to components, and select the components to build another ROM (a variant of the original) that meets a specific requirement. For example, it is possible to exclude GoogleMarket, Facebook, Twitter apps and build a ROM without them, if a person wishes.
There are many more other reasons, but I guess the main ones are those.
Hope this helps.

[GUIDE] Rooted, What Now? - The Essentials

Hey guys, Kyuubi10 back for another guide
Today I want to tackle the open ocean of options one has once they are finally rooted.
If you still don't know what rooting is, this guide probably isn't for you...But if you feel intrigued feel free to check this link out:
http://lifehacker.com/5789397/the-always-up-to-date-guide-to-rooting-any-android-phone
Many of you are unsure whether to root or not, since you don't yet understand the endless possibilities available to rooted devices. Most guides which I have found online only cover the options on the surface, I will try to go into deeper detail.
Meanwhile some of you have already rooted your phones on the promise of great things but find yourself stuck for ideas, and you start feeling that rooting is a bit useless. This is due to lack of information available for non-rooted folk, prior to actually rooting.
Note:
Just unlocking your bootloader, or flashing a custom recovery isn't rooting. But usually a custom recovery is required before rooting.
Hopefully you already know these, but if not here is a link to some terminology you may need to fully understand this guide:
http://www.talkandroid.com/guides/beginner/android-rom-and-rooting-dictionary-for-beginners/
So... You have successfully unlocked your bootloader, flashed a custom recovery and have rooted your device. What now? Where to start?
Finding Sources:
The first stop once you have rooted is to find sources of information about what is available to you and your device.
This is where the first complication arises, since each device is different, each device has a different rooting method, different mods, themes, ROMs and Kernels available to it. So there is NOT a universal way to root, nor software universally available to any rooted device. You have to find guides, and indexes of things made specifically for your own device.
If you have made it to this guide, you are on the right path. This website currently is the biggest hub for all things root, for any device. If you use the search option on the top right corner, you will have a really high chance of finding a thread dedicated to your own device. With all the information and software you may need, or want, specifically catered to your device.
This, along with all the available ROOT enabled apps within Google Play Store, will be the main source of ROOT software for you.
Why are you rooting?
Now you have a lot of options available to you. Where do you begin? This depends on what is your own personal reason for rooting.
The main four are: To improve battery, performance and to add themes and features which would be otherwise unavailable. (e.g. Double tap to wake.)
Improving battery AND improving performance may seem to be a contradiction, as improving performance may make battery suffer, while improving battery life may make performance suffer.
While focusing completely on one will definitely make the other suffer, if you focus on efficiency instead it's very much possible to improve both battery life AND performance TOGETHER!
There a multiple ways to improve efficiency of a device, and I will enter into more detail soon.
The other options are adding themes and features.
There may be themes which are only available to rooted devices, themes which would change values which you usually would not have access to while being unrooted. Such themes can be added as mods, or skins. Flashed from custom recovery or added by an app which writes directly to /system folder. Things which require root.
Mods on the other hand modify the visual design of existing things on the phone like widgets, such as clock widget. Theme mods are not usually reliant on ROOT, but they often need to be flashed through custom recovery, something which you will already have if you are rooted.
Features are a bit more complex than themes, but follows the same idea. They can be added through root apps, or flashed through custom recovery. Most features will require ROOT permissions, since most useful features perform actions which are not usually allowed without root. These include but are not limited to changing an apps way of functioning, or making a system change to give a ROM a feature it did not previously have.
All of these will be available to you through both XDA and/or Play Store. The limit is your imagination, all you need to do is think of something you want and use the available search boxes to find that which you want for you own device.
The most common way of adding all of it together are mod packs, frameworks, custom ROMs, custom Kernels etc...
But since there are such a wide variety of choices available, the ones you choose will be highly dependent on the original reason you have for rooting your device.
If you want to focus on performance and battery, you will choose a ROM with a lot of optimizations, and a custom Kernel instead of one with a lot of themes and features. While you will choose a ROM with few optimizations but loads of themes and features if you are looking more to the visual design experience, while ignoring the kernel, which doesn't affect visuals.
Once you know what your aim for rooting is feel free to begin flashing, installing and experimenting with a variety of software.
You may hear a lot about the risks of rooting, bricking your device, soft-brick or hard-brick, glitches from beta software etc....
But my advice is, don't worry about the risk....make a NANDROID BACKUP, and flash away.
If anything goes wrong, just go back in recovery and restore your last stable nandroid. This way you can flash without worrying about all the risks. And if something does go wrong, and you struggle to get into recovery, just leave an SOS post right here on XDA, on the thread for your device and the community will be more than happy to help you get back on your feet. This will always be a learning experience...don't let fright stop you from enjoying the rooted life!
The essentials:
Here are my recommendations for the most common and essential things which you should have/flash/install once you are rooted.
1) Begin by making a nandroid backup.
2) Find a custom ROM with the features you like. I personally recommend to focus on theming options when choosing a ROM, since you can use other methods to improve battery and performance.
3) Find a custom Kernel with great features to improve battery and performance. You should learn to adjust and fine-tune kernel settings to your liking, to find the ideal balance between battery and performance for your liking and your device.
3.a) This is my Comprehensive Guide to Kernels. It will have most of what you need in order to learn how to adjust kernel settings.​
4) Install BusyBox - What is BusyBox?
5) Flash Xposed Framework and Install the apk - This is only a framework, which facilitates and makes available multiple mods to both add features, themes and mods to improve performance and battery.
6) Flash Viper4Audio - The best audio mod available for Rooted devices. Recently for lollipop and marshmallow it seems that you need a Kernel with SELinux set to permissive.
7) Find and download an Adblock apk - Note: While it is awful to surf the net while being annoyed by intrusive ads, it is also not nice to stop content developers from from receiving the money they deserve through these ads, for content which the provide freely. Therefore please check the option to allow acceptable ads. So that non-intrusive ads are allowed to show up, so developers can continue providing their content freely.
From the Play Store:
8) Greenify - This will help both battery and performance by hibernating apps which keep awake even after manually force closing them. Thus allowing you to control how many apps are truly running at the same time and utilizing RAM. This app also has an Xposed module which adds boosted functionality.
9) Any ROOT file explorer - This will allow you to access ROOT directories of your device. This will be useful for multiple reasons, trust me
10) Tasker - If you are a fan of automation, this is your holy grail. With this you will be able to automate anything on your device.
11) Seeder - I am unable to explain what this app does. It's own description within the Play Store is perfect and very clear! Go check it out. It will improve performance when actively using the device.
12) SD Maid - This is a swiss army knife for Rooted devices. Those of you familiar with CCleaner, will know some of the things this app does. It cleans system and app caches, it cleans leftover files after uninstalling apps. It is also able to toggle autostart, delete system apps, freeze/disable apps and much much more!
Hope this has helped you get started on your Rooted adventure, and given you more aim of where you can go from here.
If you still haven't rooted your device, I hope this guide could help you seal your decision, and ease your fears. :silly:
If this was a helpful guide, I would be grateful if you could press the thanks button.:good::good: And feel free to comment with any questions or mentioning anything I may have forgotten, or your own opinions for the essentials things to do once you are rooted.

What's really at stake if rooting an older phone?

My phone is 5 years old, and hasn't had any OTA updates in years and its got no warranty. Apparently my older version of Android 8, isn't recognized as much and I'm starting to encounter more and more Play store apps that want a newer version of android and refuse to load. Hence I had to learn how to sideload stuff which is really annoying.
After a quick google search I learned you can root your phone and there is an Android 11 image called Lineage OS 18.1 ... which sounds pretty sweet. BUT after additional searches, I'm reading so many cons about rooting a phone. If bricking it isn't a concern, and I don't have a warrantee to void. What's at risk? I was probably going to buy a new phone anyways but now I'm intregued with this rooting process and wondiering if it might buy me time on a older phone that still works amazingly well. Why replace it if it still works, it just needs new software.
Questions: If I install Lineage OS 18.1 successfully...
Will the Play Store and Apps continue to update, or will I stop receiving notifications regarding available updates? Or am I forever stuck with sideloading?
If I don't install G Apps is this bad? I don't use stock Google Apps, I've opted to use the Microsoft equivalent like Outlook for email and calendar... or do I still need to install Google Apps to gain the ability to layer Microsoft products on top?
Why is there so much negative talk about malware infection with rooted phones? If I'm not downloading and installing apps constantly, the risk would still be no more threatening than it is now correct?
Are there any apps that would realize the phone is rooted and refuse to run? Some searches told me that security apps may not like a rooted phone. Does rooting it affect Microsoft Authenticator app?
Lastly, if I only want to pick and choose specific G Apps - can you install only the ones you need? or do they come all bundled together?
Thanks in advance,
What's really at stake if rooting an older phone?​
Click to expand...
Click to collapse
Ii is easy to answer:
Pro: Complete Control Over Your Device​
One of the most significant benefits of rooting your Android device is the ability to have complete control over it. You can remove any pre-installed apps that you don’t need, customize the look and feel of your device, and control every aspect of its performance. With rooting, the possibilities are endless, and you can make your device truly your own.
Con: Risk of Bricking Your Device​One of the most significant risks of rooting your Android device is the potential to brick it. Bricking is when your device becomes completely unusable due to a software malfunction. If you’re not careful, you can render your device useless. However, if you follow the instructions carefully and take the proper precautions, you can minimize the risk of bricking your device.
Speed up older Android hardware with a custom ROM​
Click to expand...
Click to collapse
Installing a custom ROM ( or a 3rd-party OS ) allows your device to live a second life, provided you can stomach the somewhat lengthy process. Custom ROMs become especially useful once your smartphone’s manufacturer stops delivering software and feature updates. Most ROMs are also based on vanilla Android ( AOSP ), which means you get a lighter and faster experience than default manufacturer skins.
Having said that, it’s worth noting that custom ROMs are completely unofficial. Some work perfectly, while others may exhibit bugs and instability - you’ll need to do some due diligence for your specific device model. But don’t worry, here is a guide on how to install Lineage OS, one of the most popular custom ROMs.

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