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I wondering why flashing a GSM ROM would brick a CDMA Desire? Flashing just a ROM shouldn't affect the radio so what is the primary issue. From there, I guess my next question would be what is need to port a GSM to CDMA?
heavymetalmage said:
I wondering why flashing a GSM ROM would brick a CDMA Desire? Flashing just a ROM shouldn't affect the radio so what is the primary issue. From there, I guess my next question would be what is need to port a GSM to CDMA?
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its because they have diffrent cpu's, the radio band a device can use is hard coded into the cpu ......
AndroHero said:
its because they have diffrent cpu's, the radio band a device can use is hard coded into the cpu ......
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Sorry - but you are essentially wrong here.
The Snapdragon SoCs that power both devices essentially have two cores on them - one which handles the OS, and one which handles the radio. For the most part, the OS "core" (which is the ARMv7 part) is going to be identical on both the GSM and CDMA Desires, and the difference lies in the radio core.
However, that is not to say that flashing a GSM ROM (without radio of course) on a CDMA Desire will brick it, but I'd say it was fairly unlikely since recovery should be unaffected.
When I had my Hero, the first leak of an Eclair ROM came from the Sprint Hero (a CDMA device) and it was relatively easily ported to the GSM Desire.
Regard,
Dave
foxmeister said:
Sorry - but you are essentially wrong here.
The Snapdragon SoCs that power both devices essentially have two cores on them - one which handles the OS, and one which handles the radio. For the most part, the OS "core" (which is the ARMv7 part) is going to be identical on both the GSM and CDMA Desires, and the difference lies in the radio core.
However, that is not to say that flashing a GSM ROM (without radio of course) on a CDMA Desire will brick it, but I'd say it was fairly unlikely since recovery should be unaffected.
When I had my Hero, the first leak of an Eclair ROM came from the Sprint Hero (a CDMA device) and it was relatively easily ported to the GSM Desire.
Regard,
Dave
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Interesting. So the fundamental difference is probably in the kernel and roms would have to be built from there on up?
could u basically flash a gsm kernel to a cdma phone then? since it wont change the radio. (noob question i guess)
or if u cant, what is the difference between gsm and cdma kernels?
bra402913 said:
could u basically flash a gsm kernel to a cdma phone then? since it wont change the radio. (noob question i guess)
or if u cant, what is the difference between gsm and cdma kernels?
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why do you want to take the risk? I don't really understand kernal that well other than its like the super basic coding of the operating system or something like that, but you might be hard pressed to find such a kernal anyways and I really don't think that's enough to make it work in the first place. All the software/firmware/radio versions/etc... have to match up or "sychronize" so to speak is my understanding. And yes Radios do come with stock ROM's, but they sometimes don't always come with Custom or cooked ROM's. Sometimes I flash a stock ROM just to get the stock radio then I reflash a custom ROM back to it for example so I have the stock radio with a custom ROM like mighty ROM
derekstaroba said:
why do you want to take the risk? I don't really understand kernal that well other than its like the super basic coding of the operating system or something like that, but you might be hard pressed to find such a kernal anyways and I really don't think that's enough to make it work in the first place. All the software/firmware/radio versions/etc... have to match up or "sychronize" so to speak is my understanding. And yes Radios do come with stock ROM's, but they sometimes don't always come with Custom or cooked ROM's. Sometimes I flash a stock ROM just to get the stock radio then I reflash a custom ROM back to it for example so I have the stock radio with a custom ROM like mighty ROM
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because the cdma has no simcard reader an gsm has
janielsen said:
because the cdma has no simcard reader an gsm has
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Did you mean to quote me? Are you replying to me? Most CDMA only phones don't use sim cards and have no slot for them. Additionally the only countries that use CDMA is USA, Japan, South Korea, and India, all the phones in the rest of the world use GSM/SIM technology. Theres only a few exceptions to the CDMA only rule such as the touch pro 2 which is designed/capable to work both on CDMA and GSM networks
bra402913 said:
could u basically flash a gsm kernel to a cdma phone then? since it wont change the radio. (noob question i guess)
or if u cant, what is the difference between gsm and cdma kernels?
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Flashed many times GSM ROM to my CDMA Desire, just to check if it works... Didn't bricked my phone totally - recovery was working fine. I use it as a pad, no cellular connection, so I figured out if OS part will work than I don't mind. But it didn't, 95% of a time. I think Ethereal2_R3_Final was the only one that worked, but not sure if it is GSM now. Go and play around - it's reasonably safe. Running Oxygen CDMA now.
what would you recommend to get your device up and running again if your back up recovery fails?
janielsen said:
because the cdma has no simcard reader an gsm has
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Says who ? My ZTE Blade N880 CDMA have simcard slot.
So, my question is, is it hard to porting from custom rom for zte blade gsm into zte blade cdma? Thx.
I'm just wondering if this rom [ROM][New Sense][19 Feb]RCMixHD v3.0, 1.84.661.1 A2SD+/D2WE/D2EXT**, Lightning Quick!... is only for GSM desire or if it will also work with my cdma desire. Thanks.
p_taylor said:
I'm just wondering if this rom [ROM][New Sense][19 Feb]RCMixHD v3.0, 1.84.661.1 A2SD+/D2WE/D2EXT**, Lightning Quick!... is only for GSM desire or if it will also work with my cdma desire. Thanks.
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It's a GSM ROM, CDMA ROMs have CDMA in their titles. GSM ROMs are much more abundant than CDMA I am afraid.
What rom would u pick if u had a cdma desire?
I would use the 2.3 Gingerbread CyanogenMod-7 RC1.
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.
Ok so there is alot of development for bravo on ics but only one option for bravoc, as far as ics roms go. Is it possible to change a few files and port the rom to cdma. I read somewhere that you can just replace the kernel with a cdma one, but i have not tested that because I cant seem to get the bravoc kernels from the bcm cm9 rom by DK_zero-cool
saber.srod said:
Ok so there is alot of development for bravo on ics but only one option for bravoc, as far as ics roms go. Is it possible to change a few files and port the rom to cdma. I read somewhere that you can just replace the kernel with a cdma one, but i have not tested that because I cant seem to get the bravoc kernels from the bcm cm9 rom by DK_zero-cool
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When I use to have my desire, flashing a CDMA kernel over a GSM ROM never seemed to work for me. I did successfully boot an ICS ROM, however, by overwriting some files inside the ROM (can't remember which ones). The only problem was that it was not fully functional and had many problems... There is one ICS ROM that I know of that works with the CDMA version of the desire: see HERE.
Guess I'll stick to bcm and hope the lagging is getting fixed
Sent from my HTC Desire CDMA
I was wondering there was going to be any kikat develement for the cdma desire
I've tryed myself make the cdma rom by using some of HTC Desire GSM unofficial roms. But problem is: phone is not booting after flashing. I've tried to change build prop lines to cdma settings and use original jellybean boot.img instead, but annot fix it. And can't find the thread about it!
P.S. Possibility of using GSM JB roms we have after somebody previously make ICS & JB fix for CDMA Desire. And explanation in that thread about build prop chainges for CDMA instead of GSM. Will be wiiting. If I find or make one, so will test & continue CDMA Desire KitKat thread...