Questions concerning the firmware image (i.e. a system image) for an Android device. See full tag wiki for details.

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70
votes
2answers
53k views

Where can I find stock or custom ROMs for my Android device?

There are several reasons to be looking for a ROM: Upgrading or downgrading your stock ROM Looking for firmware from a different region/language Flashing a custom ROM for different features, ...
12
votes
2answers
9k views

Why is root access required for a custom ROM?

I'd like to be clear, and as my question indicates, I'm very ignorant of mobile devices in general so my apologies if this is common knowledge. Say I want to install a custom ROM onto a device, then ...
12
votes
1answer
38k views

What is the meaning of “flashing a custom ROM”? [duplicate]

Possible Duplicate: What is the difference between: Rooting, Jailbreak, ROM, Mod, etc.? What is a custom ROM, and what does "flashing a custom ROM" mean?
9
votes
5answers
8k views

Why are there so many different Android kernels (technical answer please)

Isn't Android a common kernel that is used across all devices? For example CentOS will install on Dell, HP, and a variety of other hardware. Sure there are different modules but it's still CentOS ...
9
votes
1answer
844 views

ROM Manager - What Is It's Purpose?

I just finished rooting my phone (Moto Droid) for the first time using the z4root application. It worked great (one-click, no computer involved). However, before I start messing with my phone, I ...
8
votes
2answers
13k views

What is the difference between AOSP and AOKP?

What is the difference between AOSP and AOKP? Are they related to Stock ROM?
8
votes
3answers
18k views

What are the differences between a system app and user app?

As I've played around with different ROMs and used Titanium Backup, I see that apps are categorized into system and user apps. Several ROM developers state that Titanium Backup should only be used ...
7
votes
1answer
4k views

Is there an official Android “Google” ROM?

So I have an old unlocked phone and I'd like to load up my own OS. I've seen some mods out there. CyanogenMod seems to be the most popular. However, I was curious if I could just install a pure ...
7
votes
1answer
5k views

Will changing the HBOOT affect my ROM?

Device: HTC Desire (Bravo) ROM: Aurora 4.1 - http://android.elrincondelmovil.com/roms-desire-90/rom-aurora-v4-1-sense-3-0-android-2-3-5-oct22-1639/?langid=1 HBOOT: Stock (Revolutionary) Radio: ...
7
votes
1answer
3k views

Alarm which could Ring even when Device is Off

Android smartphones are smarter than traditional mobile phones in all aspects, but I am unable to find this smartness in one aspect: In those classic mobile phones, there was an option to ring the ...
6
votes
5answers
35k views

How do I get my GPS working in Android 4.1 Jelly Bean?

Recently I've been having all sorts of troubles with audio and GPS and the compass... I tried different ROMs, different kernels, different patches. The short story is that after a long time spent ...
5
votes
2answers
5k views

Custom Kernels on Stock ROMs?

The General Question: Is it possible to install custom kernels on a Rooted Stock ROM? The Example: I have a Nexus 7 which I have rooted running 4.1.1 (Jelly Bean JRO03D) would it be possible to just ...
5
votes
2answers
15k views

Best way to update to latest versions of custom ROMs?

What is the easiest and most time effective way to update to different builds of a custom ROM ? Say for example, having an Infuse, I follow the builds of Cyanaogenmod 10 and they release updates ...
5
votes
1answer
282 views

Restore a ROM Back-up

I am going to try out CyanogenMod tonight on my phone. Before I do that, however, I am curious about one thing. I performed a NANDROID backup, per instructions that I received on this site (thank you ...
5
votes
2answers
1k views

What functions are in the ROM of an Android phone?

I would like to get a clear picture of what is in the ROM vs. what is in the OS. This will help me understand what those custom ROMs are all about.
5
votes
1answer
1k views

Unoffical roms 4.0 or 4.1 for Galaxy Note? [duplicate]

Possible Duplicate: Where can I find stock or custom ROMs for my Android device? I've been over to XDA forums and am overwhelmed by the amount of information available. I am interested in ...
5
votes
1answer
15k views

How to install Samsung (or other manufacturers) apps on Vanilla ROMs on Galaxy S3

I've tried installing CyanogenMod on my Samsung Galaxy S3 device. I was amazed by its smoothness and speed, but I've missed some of the apps of the official Samsung ROM, such as the camera, the ...
4
votes
3answers
724 views

Why are there not generic phone OS installers?

I am used to install and remove various operating systems in my PCs, even having several at a time. Usually, to install a new OS means: Burn the ISO to a CD/DVD/USB. Insert it. Boot. (Maybe you ...
4
votes
3answers
8k views

How do I uninstall MultiROM?

I have a rooted Nexus 4 with stock Android on it. I decided to try out the MultiROM app on the play store. I am now trying to uninstall it, however the MultiROM app does two things: It installs a ...
4
votes
1answer
755 views

Is a phone's ROM and Firmware the same thing?

I have heard of Custom ROMs and Custom Firmware, are they the same thing? If not, whats the difference?
4
votes
1answer
12k views

Is it possible to use my SD card as ROM and my internal ROM as an additional RAM?

I've read somewhere that I can do some certain things to partition my SD Card specially to allot some part or all of it to trick the phone into thinking it's the "internal" ROM. For the life of me, I ...
4
votes
1answer
665 views

Install default Android 2.2 / 2.3 on Optimus One

I have this LG Optimus One P500h and I was thinking about formatting and installing the default/original Android 2.2 (2.3 would be great) since LG modified the homescreen, keyboard and other stuffs. ...
4
votes
1answer
445 views

How do I load android 2.3.4 onto my dev phone?

So, I have an original Droid (rooted), that is also my working cell phone. Can I load 2.3.4 onto it to develop accessory apps? If so how do I load the new OS?
4
votes
2answers
26k views

Installing ROM from Fastboot — Can someone help?

I have a new HTC MyTouch (32A) that I tried to install a new ROM on using ROM Manager. I have done this many times (maybe 100 times), once in a while it goes wrong. Now, with this one, it can't get ...
4
votes
0answers
539 views

Extracting the radio firmware image from an Android phone

How do you pull radio images off an Android device? Is there any way to do this?
3
votes
2answers
10k views

How to upgrade Android 2 to 3 or 4 on GT-I9000?

All is in the title. I have got a GT-I9000 (samsung galaxy S) and I do not understand why I cannot upgrade the android version ? Why an android version is linked to a specific phone ?
3
votes
1answer
760 views

Relationship between a recovery and a ROM

As far as I understand: Recoveries (e.g. ClockworkMod) can be used, among other things, to install new versions of the Android OS, like custom ROMs (e.g. CyanogenMod) by updating the ROM section which ...
3
votes
2answers
1k views

Is it possible to install CyanogenMod for “Samsung GS4” on a “Samsung GS4 Active” device?

As I was desperately waiting for the 4.4 update on my Samsung Galaxy S4 Active, I read that Cyanogenmod was available for the Samsung Galaxy S4. My problem is: Is it possible to install the ...
3
votes
2answers
5k views

Can I install CyanogenMod in Samsung Galaxy I5510?

Hello I have a Galaxy I5510 and I''ve reading about ROMS. I'd like to try CyanogenMod but my phone isn't in the list of supported phones, is there anything I can do? If not (which I assume) which ROM ...
3
votes
2answers
838 views

Are there any known rom(s) with full device encryption incorporated? [duplicate]

Possible Duplicate: Where can I find stock or custom ROMs for my Android device? Are there any recommendable known rom(s) with full device/disk encryption incorporated? Device specs: ...
3
votes
2answers
977 views

Finding the appropriate ROM - translating ROM names to something legible

The Shipped ROMs site has a bunch of ROMs listed, but I can never make out which one is the one I am looking for. Using the baseband version is straightforward, but even then there are often a couple ...
3
votes
1answer
748 views

Cyanogenmod 7.2 Install Method

I have a quick question about installing the new Cyanogenmod rom. Would installing it over the current 7.1 rom without wiping data and cache work? Or would I have to do it every time I install a new ...
3
votes
1answer
495 views

Resetting Android Phone from CyanogenMod to Original

When I bought my (pre-owned) Nexus One, it came with CyanogenMod. I would like to change it back to Google's official 2.2 (or 2.3) Android. What does this entail and how do I go about doing this in ...
3
votes
1answer
40 views

Is it always possible to recover from a failed installation of a ROM?

in the past I changed the ROM from my phone and the installation was correct. Now I'm currently working in a custom ROM, where I'm doing some alterations on Android Source code. So, my question is: if ...
3
votes
1answer
7k views

Original ROM for Samsung Galaxy S i9000

I've put a custom ROM on my Samsung Galaxy S I9000 and now I want to go back to my original ROM. I was wondering if there was a way to get the original ROM, that came with my device, from an official ...
3
votes
2answers
7k views

Alternative way of setting the debug mode

I'm having a problem with my android phone: whichever phone application (contacts, settings, messaging...) I try to run, I get the dialog "The process stopped unexpectedly" and I have to force it to ...
3
votes
1answer
1k views

Upgrading LG P500 (Optimus/Maximo One) [duplicate]

Possible Duplicate: Where can I find stock or custom ROMs for my Android device? How to backup an Android device? How do I backup and restore SMS Messages? I've thinking about rooting my ...
3
votes
1answer
4k views

Create customized zip including system.img, boot.img etc for Android customized ROM

I downloaded AOSP source code and built it as instructed in its official site. Now I have 4 img files as system, boot, recovery, userdata. I want to create a zip file which should include these files ...
3
votes
1answer
839 views

How to root my new Galaxy SII

I just bought my Galaxy SII. Can anyone here tell me how to root my phone with Lite'Ning? Baseband:I9100GDZKH5 Kernel: 2.6.35.7 root@DELL81 #2 Build: GINGERBREAD.JPKH8
3
votes
0answers
930 views

Can someone recommend a ROM and kernel for the Galaxy S2 that works fully? [closed]

I have installed a kernel and ROM onto my Samsung Galaxy S2. However, it's been giving me a lot of problems. First the Compass didn't work, then when the compass was fixed by installing a patch the ...
2
votes
1answer
205 views

What Android parts do these terms describe?

Android users frequently use a lot of words with unclear meanings. In particular, they use these words a lot: Framework / framework-res.apk: What purpose does this structure serve? Flashing: What ...
2
votes
1answer
177 views

How do I get a ROM onto my ICS (Android 4.0) tablet?

I have a Galaxy Tablet 10.1. I decided to root it, that went fine. Then I decided to upgrade to Ice Cream Sandwich. That also went fine. It was only after upgrading that I discovered the camera does ...
2
votes
2answers
4k views

Cant open tar.md5 files to view the .img files

Im trying to open my stock rom file that i downloaded from sam firmware and when I try open it with winrar it says: The archive is either in unknown format or damaged. so i tried taking the .md5 ...
2
votes
1answer
3k views

How to unpack and edit boot.img for rom porting

I recently downloaded a rom (http://forum.xda-developers.com/showthread.php?t=2480246) for my Allview P5 (Allview P5 is the equivalent of Gionee GN700W/FLY IQ441/QMobile Noir A8) . It`s called ...
2
votes
1answer
779 views

Will this android rom work for hd7?

Will this hd2 rom work on the hd7 since they have almost the same hardware? http://forum.xda-developers.com/showthread.php?t=1930240
2
votes
2answers
44k views

How to flash a ZIP file with Odin?

I can't boot my Galaxy Tab 8.9 / P7300 anymore, but Odin still detects a USB connection. So I'm trying to flash a new ROM onto it using Odin. However all I can find on the web are ZIP archives ...
2
votes
1answer
515 views

Samsung Galaxy S2 bricked?

I own a galaxy sII. 3 weeks back, I downloaded and flashed the MIUI ICS rom on my phone. A week later I tried to update the ROM through ROM Manager. Everything went fine except when after flashing the ...
2
votes
1answer
3k views

How to install vanilla Android OS on Kindle Fire? [duplicate]

Possible Duplicate: How can I install vanilla Android on the Kindle Fire? I have a Kindle Fire device and I want to install the vanilla Android OS on it. Please help me how to flush out ...
2
votes
1answer
2k views

How to install custom stable ICS rom on galaxy S2 (rar file)?

So if you follow this link then apparently this is an unofficial stable release of ICS for the galaxy S2. Also it's been tested by the members of XDA and they also say it's legit. So if I want to ...
2
votes
1answer
391 views

I it necessary to SIM unlock my Samsung Galaxy S2 to use a custom ROM?

I want to upgrade my Galaxy S II to Android 2.3.5, and my provider only has 2.3.3. So I have to use a ROM from samfirmware.com. Do I have to SIM unlock my phone before installing one of these ROMs? Do ...