Custom ROM from current ROM - Android Q&A, Help & Troubleshooting

Hi
I am new to the Android operating system and therefore my question may be a stupid one.
I wanted to know if it's possible to create a custom ROM from an existing ROM, for example I rooted my phone and uninstalled a few system apps, now I wanna make it into a ROM so then i can flash it to the phone and even when someone will factory reset the phone it will still be without the system apps I uninstalled cause the ROM does not have these apps.
Thanks

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Is there any reason to keep files from original extended rom on the extended rom?

I am able to install applications to the extended rom, and have updated to the second to latest Black Rom, with all that entails. I don't really know all that much about the extended rom, e.g it's alterability. But my question is: Can I safely (and simply) delete the files in the extended rom to reclaim space, assuming that I never ever want to run them again?
Thanks!
Blue Puma said:
I am able to install applications to the extended rom, and have updated to the second to latest Black Rom, with all that entails. I don't really know all that much about the extended rom, e.g it's alterability. But my question is: Can I safely (and simply) delete the files in the extended rom to reclaim space, assuming that I never ever want to run them again?
Thanks!
Click to expand...
Click to collapse
I don't know if the latest Black ROM puts files on the extended rom or not but generally it is safe to delete them to reclaim space. The main rider to this is that if the Rom installs from them when new then you won't get the customisations if you hard reset. This also isn't such a huge problem because if you hard reset you are also at the point of a cleam ROM install - so if you need the customisations again then re-install the rom and the ext rom will be re-written.
Generally, each time I install a new rom I first uninstall all programs and then delete everything off my ext-ROM. Then when the new rom is installed I unlock/unhide it and check what has been installed (if anything).

[Q] how to remove original apps & get current ROM

hello, I am totally useless noobs.
sorry for bad english.
here's my question :
1. is it possible to remove an original apps (some developer apps / something that cannot be removed even I reset it to factory setting) without rooting my phone??
because I've read somehing in this forum about "ROM kitchen", so I can modify the stock ROM. because so many apps that I want to uninstall it.
2. how to get my current ROM in my phone??
I've search it for 4 days and no one have it. Sometimes I want to go back with the same firmware like I used now.
in order to remove system apps, you have to be rooted, you can uninstall it using titanium backup,
kroz46 said:
in order to remove system apps, you have to be rooted, you can uninstall it using titanium backup,
Click to expand...
Click to collapse
how about modifying the stock ROM?
can I get my stock ROM from my phone?
avat2v said:
how about modifying the stock ROM?
can I get my stock ROM from my phone?
Click to expand...
Click to collapse
The stock rom, or the rom, or the firmware, is just the /system folder in your device.
In that folder you have to delete (or rename) in the folder /system/app/yourname.app and the corresponding .odex file to delete it from rom.
You can also use CWM.zip + Aroma Manager and load them sequentially from Recovery, choose in Aroma Manager to mount all partitions and do the above.
[Guide] Types of Android backups
There's also the possibility to modify yourself the rom, but, is much more difficult. If you are using Vodafone o other operator custom rom probably there is the unlocked one and is official (stock) as well.

Need more info about Root

Hi all
I have had my Galaxy S II for about a year now, and i am thinking about rooting it and installing Cyanogenmod on it, but i need some info about the proccess: First of all: What happens when you root your phone? Is you data/apps deleted or is it safe?
Second: What about when i flash Cyanogenmod? Is my data/apps safe there or do i need to redownload the apps and backup my stuff?
Third: If i root my phone and do not flash a new ROM, will it be just as hard for me to update the firmware as on a jailbroken iOS device?
And lastly: I have heard about Titanium Backup, what does it backup? The OS, the apps and/or the data? These are the questions i need answered before starting the rooting proccess
Thanks in advance
/gammarik
gammarik said:
Hi all
I have had my Galaxy S II for about a year now, and i am thinking about rooting it and installing Cyanogenmod on it, but i need some info about the proccess: First of all: What happens when you root your phone? Is you data/apps deleted or is it safe?
Second: What about when i flash Cyanogenmod? Is my data/apps safe there or do i need to redownload the apps and backup my stuff?
Third: If i root my phone and do not flash a new ROM, will it be just as hard for me to update the firmware as on a jailbroken iOS device?
And lastly: I have heard about Titanium Backup, what does it backup? The OS, the apps and/or the data? These are the questions i need answered before starting the rooting proccess
Thanks in advance
/gammarik
Click to expand...
Click to collapse
The process is a little different depending on the device but basicly a super user binary and SU app are installed on your device, this will not (in most cases) effect your data or apps.
When you flash a new ROM like cyanogenmod you will loss your data and apps yes so you will need to redownload/reinstall them backing up using a app like titanium backup is recommended.
In most cases if you root your phone it will not be any harder to update the firmware however after the update you will loss root, and often the hacks used to install SU and a custom recovery get fixed in newer updates, so its normally recommend not to update through the official process but to flash a modified version of the update normally found in the XDA forum for the device, these modified versions will have super user etc preinstalled so they cant be lost during the update.
Titanium Backup backs up your apps and there data (so when you reinstalled them with Titanium Backup it will be just how you left it)
zacthespack said:
The process is a little different depending on the device but basicly a super user binary and SU app are installed on your device, this will not (in most cases) effect your data or apps.
When you flash a new ROM like cyanogenmod you will loss your data and apps yes so you will need to redownload/reinstall them backing up using a app like titanium backup is recommended.
In most cases if you root your phone it will not be any harder to update the firmware however after the update you will loss root, and often the hacks used to install SU and a custom recovery get fixed in newer updates, so its normally recommend not to update through the official process but to flash a modified version of the update normally found in the XDA forum for the device, these modified versions will have super user etc preinstalled so they cant be lost during the update.
Titanium Backup backs up your apps and there data (so when you reinstalled them with Titanium Backup it will be just how you left it)
Click to expand...
Click to collapse
Okay, Thanks for the info! I have one more question: What happens when i update my ROM with eg. ROM Manager? Will i need to restore from Titanium Backup there too?
gammarik said:
Okay, Thanks for the info! I have one more question: What happens when i update my ROM with eg. ROM Manager? Will i need to restore from Titanium Backup there too?
Click to expand...
Click to collapse
if your upgrading the same ROM to a newer version for example if you where on CM9 version 1.0 and updated to 1.1 you will likely not have to no, however the developer will post if the update requires a wipe, as some large updates do need a clean install.
If your going from one ROM to another than you will need to wipe yes
zacthespack said:
if your upgrading the same ROM to a newer version for example if you where on CM9 version 1.0 and updated to 1.1 you will likely not have to no, however the developer will post if the update requires a wipe, as some large updates do need a clean install.
If your going from one ROM to another than you will need to wipe yes
Click to expand...
Click to collapse
Okay Great! Thank you for helping me out I'll think this through and see if i'll root it Thanks again!

[Q] instaling ROM from phone/SD-S3 I9300

Hi, i'm new in this so i just need answers for couple of questions.
1. Can I flash new ROM from phone storage or does it have to be from SD card?
2. If i flash from SD, will new ROM be installed on phone storage or SD card?
3. When i do that, will all my data be deleted from previous ROM?
4. When i flash ROM do i need to again root my phone and install titanium backup?
5. what Custom ROM's are really good? your suggestions
1. Can I flash new ROM from phone storage or does it have to be from SD card?
depending on what kind of custom recovery you are using, you can install it from internal phone storage and sd card. Use philz touch recovery to have both storages available for you to choose roms from
2. If i flash from SD, will new ROM be installed on phone storage or SD card?
if performing a clean flash all data from phone would be lost as the primary step itself is to wipe data. Data on external sd card remains intact as long as you dont format it from recovery
3. When i do that, will all my data be deleted from previous ROM?
all data would be lost when you do a data wipe and devs take no responsibility for any loss wrt to your phone or data and so their piece of advice before you flash ANY rom or mod is to : Back up Back up and Back up. Use titanium backup to retain apps and a nandroid backup from recovery to be on safe side and stay away from after effects of a bad rom flash.
4. When i flash ROM do i need to again root my phone and install titanium backup?
rooting phone again is not required after installing custom roms since they already have the SU binaries included when the rom is cooked. Installation of Titanium back up after every rom Installation is must cuz itz an app on your phone memory
5. what Custom ROM's are really good?
again depends on what you like to see on your phone. If you like having the stock look on your phone and still enjoy benefits of using a rooted custom rom go for roms based on sammy firmwares. If you want to go a step ahead and have a nexusish look on your phone and be more open source go for CM and AOSP roms
thats not all. XDA has a lot of threads about flashing roms and recoveries. Do a lot of reading and proceed carefully at your own risk before playing with your phone.
Cheers
Well its so easy..
1- yup you can..
2- no it will be installed on te phone..
3- most of the roms are rooted.. but you can instal supersu.zip to root it or update the root panery, and you mostly will not lose the costem recovery..but some romes offer to download custom recoverys..
4- i think temask's unofficial cm11 is good.. and you can install omega touchwiz rom..:good:
I have no idea what I'm doing
Good day, I'm having a problem with understanding how to install the nexus operating system on my SGS3 i9300. I have no idea what to download, what i need and how to do it. I know i'm the only one cause everybody seem to get it just fine. So i dont know if you could help me with what i need to do this and how to do it. Thanks in advance.
KvisClayton said:
Good day, I'm having a problem with understanding how to install the nexus operating system on my SGS3 i9300. I have no idea what to download, what i need and how to do it. I know i'm the only one cause everybody seem to get it just fine. So i dont know if you could help me with what i need to do this and how to do it. Thanks in advance.
Click to expand...
Click to collapse
watz NEXUS OPERATING SYSTEM .... D-UH :laugh:

Cleanest ROM flash with minimum reconfiguration.

Hey, everytime I want to flash a new ROM or even new version of the same ROM,
I like to clear everything beforehand and factory reset my device.
The issue is everytime I do that I have to download all my apps again and configure the device all over again (apps & phone settings) .
I need some guide about backing up the maximum data possible (settings and applications) while still keeping the new flash as clean as possible.
I own Titanium paid version.
Thanks a lot!
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