As I have been flashing ROMs I've noticed many come with the Phone.apk. My Tab is a tablet, and not a phone so I want to remove it all. But when I tried to through adb it renders my data service useless. So would someone please tell me exactly how this is done?
Strange that you want to delete it
You could take a custom launcher and hide it from the drawer.
Sent from my MoDaCo R1 GT-P1000 using XDA App
I don't see how.. I have a phone to make calls from. I have a tablet for web browsing.
I'm not wanting to hide it though. I want to remove it.
As far as I know the only way to fully remove the dialer functionality would be to cook your own rom without it. The only other thing I can think of is maybe taking the phone.apk from a standard tmo build and using that (I am fairly sure the default build still has a phone.apk as to my knowledge it is needed for radio services to function). Having said that I use mine as a phone so not gonna mess around to test it myself and my apologies if it doesn't/wont work. As a side note phone.apk is less then 4mb not sure why it would be a huge concern.
Sent from my GT-P1000 using Tapatalk
charliebrown1321 said:
As far as I know the only way to fully remove the dialer functionality would be to cook your own rom without it. The only other thing I can think of is maybe taking the phone.apk from a standard tmo build and using that (I am fairly sure the default build still has a phone.apk as to my knowledge it is needed for radio services to function). Having said that I use mine as a phone so not gonna mess around to test it myself and my apologies if it doesn't/wont work. As a side note phone.apk is less then 4mb not sure why it would be a huge concern.
Sent from my GT-P1000 using Tapatalk
Click to expand...
Click to collapse
My contacts app has the dialer in it. And on some ROMs I get a voicemail notification. I suppose I could find a contacts apk without it. But if I'm going through all that I might as well get rid of the whole thing. I just don't see the reason behind needing to use a tablet as a phone, you know?
Stevenjcarney said:
My contacts app has the dialer in it. And on some ROMs I get a voicemail notification. I suppose I could find a contacts apk without it. But if I'm going through all that I might as well get rid of the whole thing. I just don't see the reason behind needing to use a tablet as a phone, you know?
Click to expand...
Click to collapse
The "simple" solution would be to go back to your stock ROM, but that's likely not really an acceptable solution as the performance of the stock ROMs tends to be pretty poor in comparison to the later development builds.
So, you are likely to be left with removing or replacing certain components from your desired ROM with the stock TMo variants (as has been previously mentioned) on a trial and error basis to determine what works and what does not. It's doubtful that you'll find anyone who can tell you *exactly* what you want to do, because it seems that most US Tabs users are looking to re-enable the phone functionality that was artificially crippled by the US carriers.
I seldom use my Tabs phone functionality, but I have used it (makes a great speakerphone for conference calls!), and I would always rather have more functionality than less.
Regards,
Dave
Related
I was wondering is there any way to change the Dialer to stock one.
to be exact:
I know there are ways to change Contacts and Lock Screen to froyo one. But even if you do so, when you get a phone call (someone is calling you) you will see the htc Dialer with the "Drag down to answer" instead of froyo style.
I really want this since if the phone is in your pocket and someone calls you, while taking the phone out you may decline or answer the call!!!
Any help and idea is appreciated
Thanks
joseph230 said:
I was wondering is there any way to change the Dialer to stock one.
to be exact:
I know there are ways to change Contacts and Lock Screen to froyo one. But even if you do so, when you get a phone call (someone is calling you) you will see the htc Dialer with the "Drag down to answer" instead of froyo style.
I really want this since if the phone is in your pocket and someone calls you, while taking the phone out you may decline or answer the call!!!
Any help and idea is appreciated
Thanks
Click to expand...
Click to collapse
You just need to drag up the bar instead of dragging it down to decline a call. BTW wrong section.
Hope this helps!
I highly doubt that you can do change it. Main reason is that it's too tightly integrated into system (I mean half of the crap is in the com.htc.resources.apk!). I can try messing with it a little bit but I seriously don't think that it would work. And even if it works... you will still see Sense-style answer/decline on the locksreen because... yep... framework is highly modified.
Give me few hours, I'll push some files.
Edit: Actually, never mind, I'm not even going to attempt it... it's not going to work.
Please post questions in Q&A section.
Flash CM alpha ;-)
Sent from my Nexus One using XDA App
civicvx94 said:
Flash CM alpha ;-)
Sent from my Nexus One using XDA App
Click to expand...
Click to collapse
Flash CM beta
Seems that there is no way to do this ( unfortunately
I like sense except for this one. I think I have to give it up and go CM.
Thanks anyway.
I removed phone.apk and telephonyprovider.apk... How can I remove call settings from settings.apk?
CM7.1
Why do you want to do this? I know the Nook isn't a phone but some applications end up querying for call settings anyway and you are likely to cause problems.
There can also be areas where you may want to fake things like the Nook having a phone number as some apps use that as a verification key (e.g. Verizon Fios remote control).
bobtidey said:
Why do you want to do this? I know the Nook isn't a phone but some applications end up querying for call settings anyway and you are likely to cause problems.
There can also be areas where you may want to fake things like the Nook having a phone number as some apps use that as a verification key (e.g. Verizon Fios remote control).
Click to expand...
Click to collapse
I did this because I didn't want the phone icons or anything. When I go to the "call settings", in the settings app, it crashes. So naturally, its of no use to me. I don't use any apps that use a phone # as a key, I just want it gone.
bobtidey said:
Why do you want to do this? I know the Nook isn't a phone but some applications end up querying for call settings anyway and you are likely to cause problems.
There can also be areas where you may want to fake things like the Nook having a phone number as some apps use that as a verification key (e.g. Verizon Fios remote control).
Click to expand...
Click to collapse
Asking people why they want to do something is another question. Start your own thread and ask why someone would want to do that.
You would need a new settings app to remove the call settings. I also deleted all the telephony apps from my nook. No problems at all.
Sent from my NookColor using xda premium
can teh man said:
I did this because I didn't want the phone icons or anything. When I go to the "call settings", in the settings app, it crashes. So naturally, its of no use to me. I don't use any apps that use a phone # as a key, I just want it gone.
Click to expand...
Click to collapse
Just an fyi... Those are included in our encore/nc builds for compatibility reasons. Not just some apps, but market also needs these to run well. Other things like contacts app will act odd, too. You will find more headaches from removing them. Our cm Devs didn't leave them in there for S and Gs.
If your concern is battery, don't worry. They don't use any.
Sent from my NookColor using xda premium
If you're feeling "removey" and anxious to get rid of excess apps, i relate and recommend this :
Get Titanium Backup on the market. This will let you see all installed apps and have the option to "freeze" one before uninstalling. You'll get to see how the nook functions without the app in question. If it freaks out, you can usually just go back in and unfreeze it.
The phone apk is definitely not a safe app to remove are you using the stock adw launcher?
. . NS4G . . CM7 . .
Wifflepig said:
Just an fyi... Those are included in our encore/nc builds for compatibility reasons. Not just some apps, but market also needs these to run well. Other things like contacts app will act odd, too. You will find more headaches from removing them. Our cm Devs didn't leave them in there for S and Gs.
If your concern is battery, don't worry. They don't use any.
Sent from my NookColor using xda premium
Click to expand...
Click to collapse
Well... I dunno about that. I really see no reason for the dev's to leave in Camera.apk, MMS.apk, etc etc... I've removed the following, plus more with no negative side effects whatsoever. I've been running CM7 & CM7.1 since I first got my nook last May. I've even tried removing these on my phone just for "S&G's" and it didn't really have any negative side effects aside from my phone no longer functioning as a phone
Partial list of stock system apks removed:
Phone.apk - crashes at first, but a reboot solves any and all issues with that
MMS.apk
MMSProvider.apk
Telephonyprovider.apk
Protips.apk
Camera.apk
Thats as best as I can remember for now, I probably
decalex said:
If you're feeling "removey" and anxious to get rid of excess apps, i relate and recommend this :
Get Titanium Backup on the market. This will let you see all installed apps and have the option to "freeze" one before uninstalling. You'll get to see how the nook functions without the app in question. If it freaks out, you can usually just go back in and unfreeze it.
The phone apk is definitely not a safe app to remove are you using the stock adw launcher?
. . NS4G . . CM7 . .
Click to expand...
Click to collapse
I want to use the built-in dialer for sip, which is inaccessible in stock. part of the reason I want this is I want to use bluetooth and still haven't found a voip/sip app that supports bluetooth. Others say grooveip works fine, but I'm Canadian so no use.
Or is there an easy method of enabling in stock now? I read before of some method where you had to change the dpi and do some other things and then add your sip credentials and then modify the dpi back.
But I'm curious to know if most custom roms have it enabled.
I'd also be interested getting the stock dialer for sip. Preferably in Stock rom.
do you mean the phone.apk ?
https://docs.google.com/file/d/0B8arUA-zM-4YR2hPM09vbjVkcGs/edit
PLEASE TAKE THE DROPBOX LINK JUST BELOW. Thx
Send from my lovely Sensation XL, from a little town in france with a very very slow internet connection.
Here is the dropbox link, sorry for the google drive one... http://db.tt/ltH50v8R. Just put in system/app
Send from my lovely Sensation XL, from a little town in france with a very very slow internet connection.
Thanks, but the thing is phone.apk is already there, part of the Android system, it's just disabled somehow. And not the typical way that can be unfrozen.
Logic_ said:
Thanks, but the thing is phone.apk is already there, part of the Android system, it's just disabled somehow. And not the typical way that can be unfrozen.
Click to expand...
Click to collapse
Can you find the "telephonyprovider.apk" in system/app ?
Send from my lovely Sensation XL, from a little town in france with a very very slow internet connection.
If I succeed helping you (rare) don't forget to hit the thanks button
This post describes the method of enabling the sip dialer. A little clunky but doesn't sound too hard, haven't tried it yet though. He mentions bluetooth is a little shaky which is disappointing. Does bluetooth just suck in general with android or what?
But anyone who is running a custom rom, can you tell me if the dialer is enabled, if so, what are you running?
http://forum.xda-developers.com/showpost.php?p=29254745&postcount=12
4.2 has really irked me and I'm looking again at installing a custom rom, probably cyanogen as that's what I ran on my old nook color.
So can someone running cyanogen or any custom rom tell me if the dialer is enabled?
I've ran lots of custom roms and haven't seen a dialer once. We've never had 3G.
Sent from my Nexus 7 using XDA Premium HD app
Can you not download Go Contacts. This comes with a dialer. I've used this successfully to make and receive phone calls on the Nexus 7 in conjunction with tablet talk and a Bluetooth headphone.
Sent from my Nexus 7 using XDA Premium HD app
I've ran lots of custom roms and haven't seen a dialer once. We've never had 3G.
Click to expand...
Click to collapse
Thank you for answering! Now at least I know custom roms don't have it, but it's disappointing. You mention we don't have 3g I know that, and that's probably the logic why google disables it. But carriers also disable things like that to prevent voip usage, so it's kind of irrating, and surprising that custom roms wouldn't enable it either. Especially since I know it was there on cm7 on my nook which didn't even have a mic. I put in my sip creditentials in cm7 just to test a call and it worked fine, but again obviously it had no mic. I thought oh well, next tablet. Well now I have the next tablet and I was somewhat hoping google wouldn't do what the carriers typically do. I think it also avoids confusion because people think it's a phone as well, but why not at least have a developer option to enable sip dialing or something.
I may request on the cyanogen mod forrums if they could please enable it.
Hello,
I am writing this to help other newbies who may want to switch to Cyanogen for the first time on their Epic 4G. There were a few things I needed to do after to get everything working the way I liked and I figure this will save some people time.
What do I need to do prior?
There are many how-to's which will help but I had my Epic stock rom rooted so it was as simple as flashing cyanogen through recovery. Here is the link for a "how-to" root the stock rom if you wish to do it this way. It was the easiest way for me though the official guide says "Rooting the stock firmware is neither recommended nor necessary."
http://www.youtube.com/watch?v=C9eaCtiS0Bo
Where do I get Cyanogen?:
You can download it here. I am running the 10.0.0 stable build.
http://wiki.cyanogenmod.org/w/Epicmtd_Info
I have no google apps:
This is a problem with any Cyanogen installation. Easy fix, download & install the gaaps package from the link below and your marketplace will be back.
http://goo.im/gapps
I don’t have Navigation:
Easy fix again, download the google maps app. Here is the app store link.
https://play.google.com/store/apps/...DMsImNvbS5nb29nbGUuYW5kcm9pZC5hcHBzLm1hcHMiXQ..
I don’t have voicemail:
While you can use any voicemail app I wanted the one I had on the stock rom. I linked the app below and your voicemail will be back as soon as you install it. You need to open the app after so that it will activate.
https://od.lk/d/MjRfMjc2MDY5MF8/vtt-sprint.apk
I am getting texts from 9016 every time I get a voicemail:
From reading it seems the stock rom blocks us from seeing these but they are in fact needed for voicemail to work. To fix this I used a free app called “RedList”. Simply add 9016 to the RedList within the app, change the settings to disable both notifications, and this will problem will be solved. Here is the app store link.
https://play.google.com/store/apps/...=W251bGwsMSwxLDEsImNvbS5saW5ub3IuUmVkTGlzdCJd
Text messages no longer have separate colors for me and my recipient:
The stock android text display is white and I hated this after getting used to Samsung’s nice colors but luckily you can solve this in two ways.
(One) A theme manager is built into the interface section of your settings page. After searching through almost every free CM10 theme I found this one I liked. It does NOT touch too many things only adding a brushed metal look and displaying text messages how I wanted them. There are a few colors to choose from but I went with Blue.
http://forum.xda-developers.com/showthread.php?t=1992980
(Two) Replace only the MMS app with one that is color coded. Please note that unlike the above, to reverse this down the road you will need to find a stock mms app package with an installer. This is good for people who are sure they want this and only wish to change the colors of the messenger, while the above is good for people who like to switch themes often being able to revert back at any second. Link for the colored mms app.
http://www.mediafire.com/?hcjukwwkj4y41h3
Morror: https://od.lk/f/MjRfMjc2MDY5MV8
Facebook pictures no longer sync with my existing contacts:
This is a small problem, but still one that I got used to having with the stock rom and wanted to correct. From reading this seems to be a problem related to later Android versions, not just Cyanogen. The fix for this is easy as well, search out a free app called “UberSync for Facebook”. I had the regular facebook app installed & logged in prior and UberSync logged right in, got the pictures, and updated my contacts.
https://play.google.com/store/apps/...wsMSwxLDEsInJvLndlZWRuZXQuY29udGFjdHNzeW5jIl0.
I no longer have Swype:
Despite having the nice physical keyboard (the whole reason I got the Epic) I still got used to using Swype here or there. I don't think I will be allowed to link this file here but you can find it on "certain" sites.
Notes:
Despite reports that Bluetooth can be problematic, I use it daily with an earpiece and have yet to experience any issues. GPS & 4G also work great. If any links are broken send me a PM! I check my email daily.
Get rid of the dropbox download links. Those are absolutely horrible when posting a guide for others to use.
nikon120 said:
Get rid of the dropbox download links. Those are absolutely horrible when posting a guide for others to use.
Click to expand...
Click to collapse
Why are they so bad? The bring you right to the download and I won't be deleting these files from my dropbox. Much better IMO than dealing with one of those sites where you have to wait 45 seconds for a download link to appear in a sea of other spam download buttons.
protivakid said:
Why are they so bad? The bring you right to the download and I won't be deleting these files from my dropbox. Much better IMO than dealing with one of those sites where you have to wait 45 seconds for a download link to appear in a sea of other spam download buttons.
Click to expand...
Click to collapse
Well...
No MD5/SHA1 to compare against to make sure you have a complete download.
People's dropbox tends to get too much traffic and the link becomes dead.
You basically cut out the original author(s) of the file.
Based off # 3: They could need the ad revenue, and/or want to track download activity if they're self-hosting.
nikon120 said:
Well...
No MD5/SHA1 to compare against to make sure you have a complete download.
People's dropbox tends to get too much traffic and the link becomes dead.
You basically cut out the original author(s) of the file.
Based off # 3: They could need the ad revenue, and/or want to track download activity if they're self-hosting.
Click to expand...
Click to collapse
I know this isn't directed at me, but the things I have on my box account are older things( Samsung Moment update tool), things I've done for myself, or things that I've found for other people. In other words, things many people don't care about.
Sent from my SPH-D700 using Tapatalk 2
nikon120 said:
Well...
No MD5/SHA1 to compare against to make sure you have a complete download.
People's dropbox tends to get too much traffic and the link becomes dead.
You basically cut out the original author(s) of the file.
Based off # 3: They could need the ad revenue, and/or want to track download activity if they're self-hosting.
Click to expand...
Click to collapse
#1 - I think more people are concerned with a working link, if they download the archive after and it somehow gets corrupted i'm sure they will just try again
#2 - Valid point though my files don't have a great enough of demand to warrant this. If this changes I will change my links.
#3 The only thing that wasn't mine with a dropbox link was the MMS app and I only mirrored it in case the original link were ever taken down. If it will make you happy I can include the original link as well. For the voice mail app, its simply the sprint one ripped from a stock rom.
Though your points are valid, I think you are sort of just being picky bud
Thanks for the VM download link. Only thing I want is task manager which I had installed on CM9. Is there stockish one that works for 10?
Try the flashable one from here
http://forum.xda-developers.com/showthread.php?t=1452004
Sent from my SPH-D700 using Tapatalk 2
swype
I reinstalled swype 3 or 4 times with various upgrades and it would always "expire" and I'd have to figure out how to get it working again. I am running 10.1 RC5 now and it has a decent generic swype-ish virtual keyboard. The thing missing is that you can't finish your text and go back and fix any misspelled words by touching alternate suggestions. You have to catch them as they come up. It seems like at first I could still do that, but I can't figure out how to get the suggestions to come back up.
I'm over swype.
Just flashed CyanogenMod 10.1... is there any built in overclocking?
I installed SetCPU and it won't step above 1000 MHz.
Kernel
Steelcitymetal said:
Just flashed CyanogenMod 10.1... is there any built in overclocking?
I installed SetCPU and it won't step above 1000 MHz.
Click to expand...
Click to collapse
You need a different Kernel. I have been using didy's kernel for a while. You flash CM10.1 and then you flash the kernel. CM10.1 has its own kernel that overwrites what you flash. So when you update, i think you have to reflash the kernel. I haven't screwed around with it since I installed rc5. I think I did CM, then the kernel, then the big mem patch. I never was able to figure out how to update the radio. I always ended up with "no voice service" or worse.
There is a thread in the developer forum that has the links to the kernel downloads. I am running one from may 30 and haven't updated.
boocephus said:
You need a different Kernel. I have been using didy's kernel for a while. You flash CM10.1 and then you flash the kernel. CM10.1 has its own kernel that overwrites what you flash. So when you update, i think you have to reflash the kernel. I haven't screwed around with it since I installed rc5. I think I did CM, then the kernel, then the big mem patch. I never was able to figure out how to update the radio. I always ended up with "no voice service" or worse.
There is a thread in the developer forum that has the links to the kernel downloads. I am running one from may 30 and haven't updated.
Click to expand...
Click to collapse
I think I found it... Is didy the same as didhiy?
[KERNEL][CM10.1]Nitest Kernel for Crespo4G/Epic4G Modem with Voodoo Sound&Color
When you say you couldn't update the radio, you just mean the cell service radio, right? Not wifi? I don't have cell service on my Epic, so that wouldn't be a problem for me... just as long as the wifi radio still works
Also, what specifically do you mean by "or worse"?
Steelcitymetal said:
I think I found it... Is didy the same as didhiy?
[KERNEL][CM10.1]Nitest Kernel for Crespo4G/Epic4G Modem with Voodoo Sound&Color
When you say you couldn't update the radio, you just mean the cell service radio, right? Not wifi? I don't have cell service on my Epic, so that wouldn't be a problem for me... just as long as the wifi radio still works
Also, what specifically do you mean by "or worse"?
Click to expand...
Click to collapse
Yeah. That's the one. I looked at my about phone and it said "didy".
I saw a thread about the nexus radio being hot **** and I fooled around with it. I got either "no voice service" or no nuthin. I was able to flash back to the regular epic radio. there is another thread that had all the flashable zips with different modems. luckily the epic one undid my stupidity - at least on my phone.
boocephus said:
Yeah. That's the one. I looked at my about phone and it said "didy".
I saw a thread about the nexus radio being hot **** and I fooled around with it. I got either "no voice service" or no nuthin. I was able to flash back to the regular epic radio. there is another thread that had all the flashable zips with different modems. luckily the epic one undid my stupidity - at least on my phone.
Click to expand...
Click to collapse
Thanks man, I'll give it a shot. CM10.1 is running pretty smoothly on my phone, but it could be better and battery life is not an issue for me.
I'll be sure to run backups before I do though :good:
Thanks
These tips helped - I just made the jump to CM 10.1, and although there are a few quirks it has been great. Your list really helped.
FYI, one thing I ran into was the auto-rotate didn't work. I followed the directions here:
http://epiccm.blogspot.com/2012/01/boot-el30-stock-from-sdcard.html
the first time, there was no change. I tried again (and calibrated like 6 times) and it worked.
Has anyone noticed the physical keyboard doesn't always work the same? In some places, you have to hold down shift or Fn while pressing the key you want (for example - hold shift while pressing A, rather then pressing shift then pressing A). It's not consistent - some inputs work like the keyboard did before. Does anyone have any suggestions how to fix this. Not the worst thing (I'm just glad I still have a physical keyboard), but I would prefer it work the way it did before, or if that's not possible, at least be consistent.
And the smiley face button on the physical keyboard doesn't work either. I mean, it's like 2005 where I have to type out my 's!!
any phantom voicemail fix?
phantom voicemails?
TheSkipperCDB said:
Has anyone noticed the physical keyboard doesn't always work the same? In some places, you have to hold down shift or Fn while pressing the key you want (for example - hold shift while pressing A, rather then pressing shift then pressing A). It's not consistent - some inputs work like the keyboard did before. Does anyone have any suggestions how to fix this. Not the worst thing (I'm just glad I still have a physical keyboard), but I would prefer it work the way it did before, or if that's not possible, at least be consistent.
Click to expand...
Click to collapse
I have noticed that the physical keyboard doesn't work right in the browser. Shift and Fn don't seem to work. I am usually in such a hurry that I just close it up and use the virtual keyboard if I want to have punctuation. It honestly didn't occur to me that it might be fixed. I can't offer that fix. I am just offering emotional support and validation.:good:
boocephus said:
I have noticed that the physical keyboard doesn't work right in the browser. Shift and Fn don't seem to work. I am usually in such a hurry that I just close it up and use the virtual keyboard if I want to have punctuation. It honestly didn't occur to me that it might be fixed. I can't offer that fix. I am just offering emotional support and validation.:good:
Click to expand...
Click to collapse
I noticed that the default browser you have to hold the shift or fn key while pressing the desired key to get it to work. Apps and os seem to work with a tap od these keys and then a hit of the desired key.I recall a while back a thread about the smiley and since it was not a default key the consensus was that they would not be adding the functionality to cm. While on the topic...same goes with the .com function.
Sent from my SPH-D700 using xda app-developers app
I'm sorry i want to ask, how we modify system setting look in CM? Thank you..
Hi everyone,
Can someone help me change the default dialer and contacts app? Coming from the iOS land, I find this extreme "blackness" of the default dialer really ugly, and thus I'm desperately trying to get rid of it by using either Contacts+ or Go Contacts. The thing is that every time I make or receive a phone call, the phone defaults to the stock dialer. After some googling around, I couldn't find any definite answers as to whether this is possible.
Many suggested going to App Management, locate the Contacts app and press the "Clear Defaults" button (same for Phone app). Unfortunately that button for both apps is disabled for me.
Any suggestions? Has anyone managed to successfully use another dialer?
Thanks in advance!
You're confusing the dialer app with what you see in call, which is separate. You can change the in call graphics with a change of framework/systemui but it takes a bit of work. Swapping the dialer app for something like ExDialer or Go Dialer won't do anything to what you see once the call is taking place.
Sent from my Qualcomm Galaxy S4
Pagnell said:
You're confusing the dialer app with what you see in call, which is separate. You can change the in call graphics with a change of framework/systemui but it takes a bit of work. Swapping the dialer app for something like ExDialer or Go Dialer won't do anything to what you see once the call is taking place.
Click to expand...
Click to collapse
So essentially, all these dialer apps *have* to revert to the default "in-call" screen simply because they do not support their own? Is this an Android limitation one has to live with, or is there some sort of work around?
It's a limitation of Android. The look and behaviour in call is a fundamental part of the OS, rather than something that can be changed with an APK.
Sent from my Qualcomm Galaxy S4
That explains why I couldn't find anything on that subject. Thanks a lot!
There's nothing stopping you using a custom rom though which may be different. At the moment you're seeing the touchwiz one. If you put stock android on there instead it'd be different, on HTC and Sony phones it'd be different again, etc. Nothing is limited on android, so long as you know enough to be able to edit it. Get root access, and get talking to some custom rom developers who may be able to give you a bit of an insight on how you'd do it. It's not impossible.