Custom ROM on Android Tablet

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Android LogoThe term ROM in Android world can be thought of as Windows OS. The difference is that there are a lot of Android ROM out there, as compared to the limited selection of Windows OS. Android ROM is further divided into stock ROM and custom ROM. Stock ROM refers to default installed Android ROM by manufacturers. While custom ROM refers to Android ROM that is installed ourselves.  What are the advantage and disadvantage of custom Android ROM?

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 faster because 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 or
  • the 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).

Source: Android Police

The most famous of all Android custom ROM is CyanogenMod. It support the most devices and is updated frequently by its developers.

Other custom ROM includes:

  1. MIUI
  2. DarkyROM
  3. Device Specific, AOSP-Based Ice Cream Sandwich ROMs
  4. Euroskank
  5. P.A.C. True All in 1 ROM
  6. AOKP
  7. Paranoid Android

References:

Looking for Android tablet ? Check out my exclusive coverage of Mini Tablet PC and Samsung Tablet PC right here on this website.

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