Why can come roms be converted from GSM to CDMA? - Xperia Play Q&A, Help & Troubleshooting

I found this Rom that I really likehttp://forum.xda-developers.com/showthread.php?t=2108386. I was wondering how to convert it to a CDMA rom. I know there are patches that can do it like the AtariiKieranFTW9 patch, but all of the threads I can see say you can't ever port a GSM Rom to a CDMA phone. Can anybody tell me why some roms are patchable and some roms aren't?

You can use use custom jb and ics on your R800x. But you cant you use custom gb on your r800x. The "x" is there for a reason no support from developers and because they dont have the "x" themselves. So what they are doing now is guess work. Like I said before you can install jb and ics on your R800x. You will have voice but no data or internet access from your provider.

chery2k said:
You can use use custom jb and ics on your R800x. But you cant you use custom gb on your r800x. The "x" is there for a reason no support from developers and because they dont have the "x" themselves. So what they are doing now is guess work. Like I said before you can install jb and ics on your R800x. You will have voice but no data or internet access from your provider.
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I know that if you install a GSM rom on a CDMA phone that you can't get Data or internet, but I also know there are some roms like AOKPlay and CM9 that were written for GSM where you can use the AtariiKieran patch and use the full features on a CDMA phone. What I'm trying to understand is why that patch works for those ROMs..

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[Q][DEV] Looking for info for converting gsm rom to cdma

Hello, I saw and tried the cdma version of Keiran's Darkforest ROM, while I like how smooth and the Sony Ericsson launcher is but I missed t-mobile's theme chooser from team freexperia's cm7 rom. I was hoping some devs would tell/write what some of the key differences are between gsm and cdma are. I've read somewhere that one core is for radio and another is for everything else and the radio core is the reason why're so different. Idk how true that last sentence is though.
why not download the cdma version of cm7?
Because I want to try and convert other gsm roms to cdma.
You'd be the first to convert a PLAY GSM rom to CDMA if you do, so good luck
Seeing as all roms are different what one in specific do you want to convert?
What about KeiranFTW's Darkforest rom? I thought that was a conversion?
And I have a couple I'd want to do imo the first one I'd try to do is ICS MIUI from pricey2009's thread. I've seen a number of posts/threads saying its possible so this thread is to ask for devs and ppl to post what they know and try to make it work.
start by replacing the following libs with the cdma variants
libcm.so
libgsdi_exp.so
libgstk_exp.so
libmmgsdilib.so
libnv.so
liboncrpc.so
libpbmlib.so
libril.so
libril-qc-1.so
libuim.so
libwms.so
Alright, I'll try with doom's kernel and see how it goes.
although I think the kernel might need some work or it could be the miui rom. because just replacing those ^ files my phone wont go past the booting DooMkernel screen. Wiped data, cache from stock rom before I ran the miui updater script.
Any news or updates on your attempts at converting a GSM rom to CDMA?
Not anything new unfortunately. : (
I don't think converting the aokp from was new either as its cm9 based so I did the same thing as pax did for cm9. Except super venom did the real work compiling it with Xperia vendor/ parts whatever.
jgregoryj1 said:
Any news or updates on your attempts at converting a GSM rom to CDMA?
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The most we can do is in ICS.
AOKP/CM9 are fully compatible from a GSM variant.
Sony Beta is a different story.

R800x Firmware Confusion

I have an R800x which, when stock from Verizon, has FW version 3.0.1.E.0.88. If I flash a stock UK ROM, it shows as 3.0.1.A.0.145. Both allow CDMA to work as well as calls.
The Sony Beta site states you must be running at least FW version 4.0.2.A.0.42, which would seem to mean the R800x cannot run ICS. However, there are modified versions of CM9 that work including data and calls. There are also new patches already to allow the new Sony ICS Beta, which flashes just fine, to have CDMA data, wifi and soon calls.
How is that possible? And does this mean that it would also be possible to use similar patches for ROMs like JokaWild or DiXperia Monster to work?
I'm trying to figure it out but right now, I am
Sent from my R800x using XDA
The .145 was the last UK firmware that was able to work on both CDMA and GSM. That's why you'll get that one to work as well as the .88 version.
As for making the newer roms work with the CDMA, I believe that chevyowner and others are porting specific lib files over from stock CDMA, but I'm not completely sure.

[Q] How do I port a GSM ROM to CDMA? OR.. is it possible to makre CDMA Patch?

Seeing as how CDMA users are on the short end of the leash for ROM selections, I have given it some thought and though I do not know much in the way of porting and or programing for that matter I would like to attempt to port a GSM ROM to the R800x. Can anyone give me some advice and or tips on how to go about that? Thank you in advance.
Or, is it possible to simply make a CDMA Patch that you flash separately to make a GSM ROM work with the CDMA R800x?
jgregoryj1 said:
Seeing as how CDMA users are on the short end of the leash for ROM selections, I have given it some thought and though I do not know much in the way of porting and or programing for that matter I would like to attempt to port a GSM ROM to the R800x. Can anyone give me some advice and or tips on how to go about that? Thank you in advance.
Or, is it possible to simply make a CDMA Patch that you flash separately to make a GSM ROM work with the CDMA R800x?
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There is a patch in the cm9 nightly build thread that kerian made that I guess works on most aosp builds..I've ported the gsm version of cm7 to cdma changing some libs, a few build prop tweaks,and changing the updater script. You should pm pax(Peter) he may know more about it then I since I'm so use to gsm models
agraceful said:
There is a patch in the cm9 nightly build thread that kerian made that I guess works on most aosp builds..I've ported the gsm version of cm7 to cdma changing some libs, a few build prop tweaks,and changing the updater script. You should pm pax(Peter) he may know more about it then I since I'm so use to gsm models
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I was thinking of trying to port some of the awesome ROMs here, like true ancestor, jokawild, etc. Obviously I would ask for each Devs permission. I want to retain the Xperia PLAY framework as I game a lot on my phone.
On a side note I do have the CDMA Patch but its for CM7 and or CM9....... is it possible to use this for the Xperia GSM ROMs?
I did PM Pax as you recommended,
I was also looking in on how to do this. I've actually been trying to make jokawild work on cdma
Sent from my R800x using XDA
Well I have tried multiple times and spend hours on this. Had to ftf a few times as my fastboot almost stopped working. It would flash green a couple times then go dark. Battery pulled a few times and was able to ftf back. Now back to my nandroid. Not sure where to proceed. I even tried the CM9 cdma patch as a base, not the files from it just poked around to get an idea. I do say that trueancestor does give full rom but no cdma or 3g data. But you can ply with the full rom on cdma.
Sent from my R800x using xda premium

[Q] Need a good Kernel and Rom for xperia 800x

I have an unlocked and rooted Xperia Play Verizon CDMA 800x. With Android 4.04 4PDA-XPLAY-GAMER-ULTRA AND KERNEL 2.6.32.9-LUPUS-ICS-BETA. Great system for an 800i but problem is that it is a Gsm version only. So i can't use my phone lol
Im new to this! so, if you have any good kernels and rom that are CDMA compatible & fully functional can you send them my way. I have bricked my phone a couple times so im looking for somthing pretty easy to do. so a tutorial would help thanks.
Rmontoya83 said:
I have an unlocked and rooted Xperia Play Verizon CDMA 800x. With Android 4.04 4PDA-XPLAY-GAMER-ULTRA AND KERNEL 2.6.32.9-LUPUS-ICS-BETA. Great system for an 800i but problem is that it is a Gsm version only. So i can't use my phone lol
Im new to this! so, if you have any good kernels and rom that are CDMA compatible & fully functional can you send them my way. I have bricked my phone a couple times so im looking for somthing pretty easy to do. so a tutorial would help thanks.
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You can use any ICS or JB kernels on your R800x. You just cant use GSM gingerbread kernels on your xperia play. There are only 2 xperia play kernels which is lupus and doomkernel. Thats about it.

[q] some official jb rom without data problems

i'm very disappointed because i install all Jelly Bean rom that i find here in this forum and all them have the data issue. any rom can fix that, i tried all roms by chillybean and nothing, i can navigate with the ZOE rom but still have problems conections with all the apps.
Somebody can make a good rom based in Jelly Bean that no have data issue because in my opinion this roms are wonderful and i want to use it in mi Droid Incredidible 2
thanks a loT
Are you gsm or cdma? Cuz most roms are still in the works for gsm so data is gonna be an issue. But if you are cdma then data works on majority of chilly's roms. Im on his cm10 rom on 4.1.2 jellybean and i dont have any issues at all. Make if u are try a different kernel or maybe flash an older radio cuz in the newer radios it does cause some glitches to data and service.

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