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标题: What's Custom ROM full explained!!!!! [打印本页]

作者: iamwasip 时间: 2018-01-07 21:01
标题: What's Custom ROM full explained!!!!!

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Ever wondered what the whole Android custom ROM scene was about?

What is all this talk of installing "aftermarket", custom upgrades on your phone?

Who needs it? Why do it? Is it safe?

Don't fret - I'm here to explain.

By the way, the word ROM means Read Only Memory, but has migrated in the modding community to mean an actual custom OS image that you install into the ROM area of your phone.

Also, the word kernel essentially means the heart of the OS - it's the barebones operating system components.

Custom ROMs

A stock ROM is the version of the phone's operating system that comes with your phone when you buy it.

A custom ROM is a fully standalone version of the OS, including the kernel (which makes everything run), apps, services, etc - everything you need to operate the device, except it's customized by someone in some way.

So what does the "customized" part mean? Since Android is open source, developers are free to take stock ROMs, modify them, strip them of garbage, optimize them, add things, and pretty much do whatever their imagination and skills allow.

Why You Want Custom ROMs

Update Frequency

Using a custom ROM usually results in more frequent updates that fix bugs and introduce new features because the developer behind the ROM doesn't have the same procedures and red tape that the manufacturer+carrier combo does.

A quality update can be churned fasterbecause it doesn't involve the bureaucracy of 30 different project managers, 15 vice presidents, and 5 dozen marketing departments.A ROM developer usually gains a loyal community which beta tests his updates in real life situations and provide feedback, or even fixes bugs - that's the beauty of open source software.Oh and did I mention that ROMs are usually free and supported by optional donations? If you can't afford to pay for it, you don't have to.Finally, most custom ROMs out there are updateable over the air (OTA) and without reinstalling anything.

Who doesn't love open source after this?

Better Performance And Efficiency

Custom ROMs are oftentimes faster, more efficient, and use less memory because

the developer ripped out useless garbage, such as carrier installed apps orthe developer optimized the kernel. For example, an undervolted kernel can provide a much better battery life than the stock one.

Upgrading To A Better/Later Version Of Android

You can upgrade to a version of the OS that has not yet been released for your device, or never will be. This is possible in 2 situations:

A leaked version of the new ROM showed up online, and the developer got on it like the fat kid chasing an ice cream truck. This was exactly the case with Hero and Android 2.1, allowing me to upgrade from 1.5 weeks (months) before the official version was available and ditch the bogged down and slow stock OS.A ROM from another phone was ported by the developer to work on yours. For example, G1 and MyTouch 3G users may never see Android 2.1 officially released on their phones, but Cyanogen, one of the most respected Android developers, was recently able to create a custom ROM running 2.1 for those devices. Oh, what a happy day it was for MT3G and G1 owners.

Ability To Install Apps To The SD Card

Most custom ROMs nowadays come with the ability to install applications to the SD card, called Apps2SD (or A2SD).

This is currently not possible on stock ROMs, even in Android 2.1 and is supposedly on Google's TODO list.

If you have run out of space on your phone (which I have repeatedly on my Hero), Apps2SD is a killer feature to have.

About That Rooting Business…

Don't confuse custom ROMs with rooting - they're completely different.

We have explained rooting and its benefits in an article called Rooting Explained + Top 5 Benefits Of Rooting Your Android Phone.

The Downsides Of Custom ROMs

Of course, there are dangers of using custom ROMs which you should be aware of.

Something Could Go Wrong

First of all, something may go wrong with the flashing process (that's the process of installing the ROM) and leave your phone in a bricked state. The chances of this are pretty low nowadays, and most of the time you can restore it back to normal.

Try to go for the ROM that has been tested by time and has lots of positive feedback.

Clean Wipe

In order to install a custom ROM, you need to perform a clean wipe.

This means you will lose all existing data, so you have to back everything up first. Of course, just for this, we have a straightforward tutorial that shows how to back up and restore your entire phone: [Complete Guide] How To Fully Back Up And Restore Your Android Phone Using Nandroid Backup.

Potential Problems

Custom ROMs could have bugs… but then so do the stock ones.

However, in case you do find a bug, you actually have a 2-way channel of reporting it - post in the ROM forum and you will more than likely get an answer back and your bug acknowledged.

Try doing this to your phone manufacturer and see if you can get past the first level of outsourced monkeys, let alone actual developers.

You May Void Your Warranty

It's possible that custom rooting will void your warranty because you will "break the seal" on the boot loader by installing a custom one which on some phones apparently can't be undone (this includes the Nexus One). Because of that, the manufacturer might be able to tell that the phone has had a custom ROM installed and not honor the warranty, in case you need to use it.

Now, in most cases, the benefits of the custom ROM outweigh the possibility of your warranty being denied. I recommend getting a warranty from your carrier and using that in case anything bad happens (that warranty is usually unconditional and covers things like losses and physical damage).

Getting The Right Custom ROM

New phones and ROMs come out all the time, and the scope of this article doesn't cover individual ROMs - but the general approach to finding one is Googling for "YOUR_PHONE_MODEL ROM" or something similar, optionally including the wanted Android version. Try it out - you'll find what you want

作者: x_1513628914fS 时间: 2018-01-07 21:46
thanks

作者: iamwasip 时间: 2018-01-07 21:46

x_1513628914fS replied at 2018-01-07 21:46
thanks

but why

作者: x_1513628914fS 时间: 2018-01-07 21:47

iamwasip replied at 2018-01-07 21:46
but why

for the explanation

作者: iamwasip 时间: 2018-01-07 21:48

x_1513628914fS replied at 2018-01-07 21:47
for the explanation

Welcome

作者: Sirmard 时间: 2018-01-07 21:51
good

作者: iamwasip 时间: 2018-01-07 21:51

Sirmard replied at 2018-01-07 21:51
good

Thanks

作者: RunaAkhtar 时间: 2018-01-07 22:32
nice

作者: RunaAkhtar 时间: 2018-01-07 22:32
so long

作者: iamwasip 时间: 2018-01-07 22:33

RunaAkhtar replied at 2018-01-07 22:32
so long

{:14_9:}

作者: RunaAkhtar 时间: 2018-01-07 22:37

iamwasip replied at 2018-01-07 22:33
{:14_9:}

:(:L:L

作者: mSalman 时间: 2018-01-08 00:20
informative post. good job

作者: x_1502714549th 时间: 2018-01-08 01:38
When will infinix hot 4 pro X5511 Get it's Naugat update... plzz make it fast for us

作者: Sopsyintro 时间: 2018-01-08 02:39
Nice info

作者: iamwasip 时间: 2018-01-08 11:30

Sopsyintro replied at 2018-01-08 02:39
Nice info

Thanks

作者: iamwasip 时间: 2018-01-08 11:30

x_1502714549th replied at 2018-01-08 01:38
When will infinix hot 4 pro X5511 Get it's Naugat update... plzz make it fast for us

don't know bro

作者: iamwasip 时间: 2018-01-08 11:31

mSalman replied at 2018-01-08 00:20
informative post. good job

Thanks bro

作者: mSalman 时间: 2018-01-08 11:51

iamwasip replied at 2018-01-08 11:31
Thanks bro

wlcm

作者: XebraXezra 时间: 2018-01-08 16:40
good

作者: rolandoneeq 时间: 2018-01-08 16:56
that's the information alright

作者: iamwasip 时间: 2018-01-08 16:57

XebraXezra replied at 2018-01-08 16:40
good

Thanks

作者: iamwasip 时间: 2018-01-08 16:58

rolandoneeq replied at 2018-01-08 16:56
that's the information alright

:victory:

作者: Dhyann 时间: 2018-01-08 21:49
informative guide bro...well explained :handshake

作者: iamwasip 时间: 2018-01-08 22:30

Dhyann replied at 2018-01-08 21:49
informative guide bro...well explained :handshake

Thanks bro

作者: UmarHayat 时间: 2018-01-09 02:46
nice info

作者: iamwasip 时间: 2018-01-09 02:46

UmarHayat replied at 2018-01-09 02:46
nice info

Thanks

作者: UmarHayat 时间: 2018-01-09 02:47

iamwasip replied at 2018-01-09 02:46
Thanks

welcome

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