Develop Bugs

GSM vs CDMA Compatibility and Forum Sections

Will there be a separate section for the GSM and CDMA (Verizon) models of the Samsung Galaxy Nexus?
Is there a need?
Also, will the GSM roms/kernels etc. work with CDMA models?

Definitely need to be separate.
Sent from my SPH-D710 using Tapatalk

split up the awesome dev community, why?

That's a good question. I haven't been on here that long (but lurking for a while LOL). It seems like it would a good idea. Although, the only difference in the phones is the radios so, I'm not sure.

Dmw017 said:
split up the awesome dev community, why?
Click to expand...
Click to collapse
if ROMs aren't compatible with both you don't want them in the same section.
no one knows if they're compatible though because we haven't seen the Verizon device yet. chance are they won't be. There will have to be some subtle differences at least.

Only identical hardware can share the same forum. CDMA and GSM arent identical, so we will be split up

Getting my Verizon Nexus next week, how interchangeable are the ROMs?

As far as rooting and flashing go, how compatible are the ROMs? I'm assuming a GSM ROM wouldn't work on the CDMA phone, but are they equally supported? Do devs make ROMs that work on both devices? I don't think I've ever had a phone with both CDMA and GSM versions widely used.
--
Sent from my Droid Bionic.

Quite a few of the roms have cdma and GSM versions
Sent from my Galaxy Nexus using xda premium

Are the downloads separate or can the same ROM be flashed on both devices? Looking at the dev section, I don't see a whole lot of ROMs with two download links even though some of them mention the LTE version.

TheBiles said:
Are the downloads separate or can the same ROM be flashed on both devices? Looking at the dev section, I don't see a whole lot of ROMs with two download links even though some of them mention the LTE version.
Click to expand...
Click to collapse
There are two Dev Forum links. One for GSM and one for VZW cdma phones only. Check the Verizon Dev forum for the cdma specific ROMS. The GSM came out earlier so the development is lagging a bit behind for the Verizon phone.

Please don't flash a GSM ROM on your Verizon device or vice versa. But, then, you're (hopefully) just asking if your favorite GSM ROMs have CDMA counterparts... In that case I can only suggest browsing the CDMA development section...
Terminators run on Android...

Chopstix9 said:
There are two Dev Forum links. One for GSM and one for VZW cdma phones only. Check the Verizon Dev forum for the cdma specific ROMS. The GSM came out earlier so the development is lagging a bit behind for the Verizon phone.
Click to expand...
Click to collapse
Ahhhhh, did not notice this. I added the original forum to my favorites so long ago, and I wasn't aware of its counterpart! Now things make sense.

Development for AOSP- progess in AT&T section!

I think our development fora should be linked with the other 7105 variants, there is significant progress towards CM10 and other AOSP in the AT&T forum.
http://forum.xda-developers.com/showthread.php?t=2018411
But, since there are four (ours, international 7105, AT&T, and Sprint), the devs are scattered, when unity would breed much more success. Our accessories is already linked, how about a linked development (not just the unused developers only forum) or moving threads like this to the linked dev forum? Either way, maybe this will help bring attention to the progress that has been made.

As long as i get aosp before the verizon or sprint varients. Glad to know progress is being made.

fix-this! said:
As long as i get aosp before the verizon or sprint varients. Glad to know progress is being made.
Click to expand...
Click to collapse
This isn't and shouldn'tbe about first, besides once one 7105 variant has a working device tree, we all do.

I am trying to get an idea of what the differences are between the phones. From what I gather so far is there is the international 7105 and its variants which are the tmo att and sprints versions and they are all gsm? Then there is the 7100 international and its variant which would be Verizon and they are cdma? But I thought that sprint was cdma carrier so wouldn't the sprint be in with the 7100 version?
From what I understand the physical and specs are the same for all the phones and the hardware is the same except the radio difference between the two. so the software is the major difference. I know on my last phone the sgs2 the att and tmo versions were almost identical twins the two were able to use roms interchangeably without porting except for minor kernel differences. In the end the only problem was the rotation was messed up. and it was fixed by using a the kernel that was native to the device. Like if you used a att rom on a tmo phone you had to use a tmo kernel with it. and also finally someone came up with a flashable .zip fix for it. The .zip fixed the rotation and also the build.prop so that the right device was in the build.prop. So that is what I foresee here in this situation. It will take time but it will happen. I know that we got some real good devs on the tmo side I haven't checked out the other variants yet but I am sure they got some real good devs too. A phone like this was bound to attract top quality people ( and schmucks like me too) I would definitely like to see a dev only subforum for all the devices or even a forum it doesn't have to be a sub forum because then the info will be fragmented because which forum do you put it in tmo, att, sprint, international. I say make a 7105 variant dev only forum for them to talk and work out some kick ass stuff. Like AOSP and cm and of course the ultimate AOKP. And whatever else they come up with.

7105 = international LTE
Variants include:
AT&T
T-mobile
Sprint
Verizon
7100 = international GSM
7102 = Chinese GSM/CDMA dual SIM
Differences include radio hardware/software.
Sent from my SGH-T889 using Tapatalk 2

Coming from HTC since the beginning of my smartphone career... I'd don't know jack about Samsung, Odin, and some other differences but isn't there a way to compile roms without the radio lol? Thta would fix alot. I'm sure there might be various issues between carriers but it should work. I get cmda and dual sim models would be different but at&t model should be able to share. As someone meantioned before, once at&t subforum has their branch... we will too. It just seems that mods separated the forums to cut down on confusion for the end user but it hurts development collaboration between development and hurts the end users who read directions and don't flash stuff blindly. I'm just not used to seeing all this talent wasted by being segregated like this. Obviously there is a reason I'm not seeing... whether due to total incompatibility or something else. It couldn't be that simple, could it?! In the meantime, I'm gonna continue to read up on Samsung development and see if there is anything I can do to contribute... no matter how small or insignificant

sino8r said:
Coming from HTC since the beginning of my smartphone career... I'd don't know jack about Samsung, Odin, and some other differences but isn't there a way to compile roms without the radio lol? Thta would fix alot. I'm sure there might be various issues between carriers but it should work. I get cmda and dual sim models would be different but at&t model should be able to share. As someone meantioned before, once at&t subforum has their branch... we will too. It just seems that mods separated the forums to cut down on confusion for the end user but it hurts development collaboration between development and hurts the end users who read directions and don't flash stuff blindly. I'm just not used to seeing all this talent wasted by being segregated like this. Obviously there is a reason I'm not seeing... whether due to total incompatibility or something else. It couldn't be that simple, could it?! In the meantime, I'm gonna continue to read up on Samsung development and see if there is anything I can do to contribute... no matter how small or insignificant
Click to expand...
Click to collapse
there is a way to compile without radios, most of the ROMs do not have radios, or they are optional. Problem is since the radio hardware is different, the kernel needs to be recomplied for the 7105/variants. I will say if they get it on 7105 then AT&T, T-mobile, and Sprint should be easy to get working (sprint would require blobs, T-Mo and AT&T should work out of the box. Verizon would work only if they 1) crack the bootloader or 2) make a special k-sec version of the rom. There is a new dev section that crosses all boards so that should help the devs some. Basicaly if we get 7105 AOSP we get TMO/AT&T/Sprint and possibly Verizon.

I saw on g+ that they got a bootoble version of cm 10 on the note 2 I do not know which model and it was not a dd but it boots. That is a promising sign. We will have it soon. I cant wait. For now I am sticking with stock until a working aokp comes out. That is what I did with my sgs2 when we got ics. I didnt even bother rooting it till aokp came out.

Cmenard said hes got aokp on our note but he s having ril problems...http://forum.xda-developers.com/sho...//en.wikipedia.org/wiki/Radio_Interface_Layer

Madmack in our forums has a fully working cm10 he says. He's working on getting up on github and then post a flashable version for us to test. Only a matter of time now.
Sent from my SAMSUNG-SGH-I317 using xda premium

nuwayman said:
Madmack in our forums has a fully working cm10 he says. He's working on getting up on github and then post a flashable version for us to test. Only a matter of time now.
Sent from my SAMSUNG-SGH-I317 using xda premium
Click to expand...
Click to collapse
I flashed it and flashed our modem it worked the calls worked data . The home button didnt though ??
Sent from my SGH-T889 using xda premium

deeznutz1977 said:
I flashed it and flashed our modem it worked the calls worked data . The home button didnt though ??
Sent from my SGH-T889 using xda premium
Click to expand...
Click to collapse
i no longer need TouchWiz if GMD SPen Gestures is working on AOSP/AOKP
that's all I really care about, S-Memo I hardly use anymore.

nuwayman said:
Madmack in our forums has a fully working cm10 he says. He's working on getting up on github and then post a flashable version for us to test. Only a matter of time now.
Sent from my SAMSUNG-SGH-I317 using xda premium
Click to expand...
Click to collapse
Awesome, cannot wait!
---------- Post added at 08:12 PM ---------- Previous post was at 08:11 PM ----------
JFizDaWiz said:
i no longer need TouchWiz if GMD SPen Gestures is working on AOSP/AOKP
that's all I really care about, S-Memo I hardly use anymore.
Click to expand...
Click to collapse
I barely use spen but it would be cool if it could be included in aosp/aokp.

Check out the dev only sub fourm they are really making some good progress and we got so leagacy devs working on it so it will be soon.

Cannot wait for aosp.

fix-this! said:
Cannot wait for aosp.
Click to expand...
Click to collapse
Yea i cant wait too I miss my AOSP

Can we flash at&t roms on our tmobile note 2 ??
I'm a fan of cleanroms.. But the developer doesnt develop for us , he develops for at&t .. Can i just flash his rom without any problem ?

sanchitgrover said:
Can we flash at&t roms on our tmobile note 2 ??
I'm a fan of cleanroms.. But the developer doesnt develop for us , he develops for at&t .. Can i just flash his rom without any problem ?
Click to expand...
Click to collapse
Yes you can. Flash the cm10 floating around but be sure to flash the T-Mobile modem. I won't brick if you forget to but the reception/ signal will be much better. I'm using it as my daily driver. Its fast and amazing.
Disregard my signature. I'm on Tmo t889
Sent from my SGH-I317 using xda premium

sanchitgrover said:
Can we flash at&t roms on our tmobile note 2 ??
I'm a fan of cleanroms.. But the developer doesnt develop for us , he develops for at&t .. Can i just flash his rom without any problem ?
Click to expand...
Click to collapse
To my understanding, yes, you can. I myself am on NOTEorious Prime rom which is based on the N7105 firmware but was made for ATT, all needed to do is flash the Tmo radio to get data and since I like to overclock my devices I also flashed the Note2Core kernel which will work with N7100 and N7105 roms; and on top of that I flashed an AOSP theme made by foreverloco since I can't stand Touchwiz. Overall, the UI looks clean just like AOSP (but of course, it ain't the same:crying but you can also see some elements of Touchwiz here and there...
I mean, this is just for now until a more stable port of cm10 shows up for our Note2, like you, I also like to have a clean rom and not layer upon layer upon layer.
---------- Post added at 08:49 PM ---------- Previous post was at 08:41 PM ----------
volcomguyaz said:
Yes you can. Flash the cm10 floating around but be sure to flash the T-Mobile modem. I won't brick if you forget to but the reception/ signal will be much better. I'm using it as my daily driver. Its fast and amazing.
Disregard my signature. I'm on Tmo t889
Sent from my SGH-I317 using xda premium
Click to expand...
Click to collapse
How is the audio working out for you so far? I read they were having issues before... Have you tried flashing a third party kernel? If so, which one?
Thanks.

tino_b said:
To my understanding, yes, you can. I myself am on NOTEorious Prime rom which is based on the N7105 firmware but was made for ATT, all needed to do is flash the Tmo radio to get data and since I like to overclock my devices I also flashed the Note2Core kernel which will work with N7100 and N7105 roms; and on top of that I flashed an AOSP theme made by foreverloco since I can't stand Touchwiz. Overall, the UI looks clean just like AOSP (but of course, it ain't the same:crying but you can also see some elements of Touchwiz here and there...
I mean, this is just for now until a more stable port of cm10 shows up for our Note2, like you, I also like to have a clean rom and not layer upon layer upon layer.
---------- Post added at 08:49 PM ---------- Previous post was at 08:41 PM ----------
How is the audio working out for you so far? I read they were having issues before... Have you tried flashing a third party kernel? If so, which one?
Thanks.
Click to expand...
Click to collapse
Audio seems to work fine. You have to make 2 phone calls upon boot in order for calls to work correctly And in the beginning of a call it sounds really low so you have to toggle the volume during a call and the. It will be regular and loud again. Otherwise seems to run great. I didn't flash any modems or extra kernels besides updated one that was in the thread.

Do we need a dedicated Nexus 7 LTE subforum?

As the the title suggests, I think that it would help make things less cluttered. Just a Nexus 7 LTE (2013) Android Development subforum, not a complete new device forum. Btw, I still don't understand the difference between Development and Original Development, so please comment if you do understand and do think that we need them both for LTE version.
I already suggested this to forum mod MikeChannon, he said they would consider it.
Thinking that the earlier we get it the less effort, problems and trouble it creates I am now putting up this poll.

kendong2 said:
As the the title suggests, I think that it would help make things less cluttered. Just a Nexus 7 LTE (2013) Android Development subforum, not a complete new device forum. Btw, I still don't understand the difference between Development and Original Development, so please comment if you do understand and do think that we need them both for LTE version.
I already suggested this to forum mod MikeChannon, he said they would consider it.
Thinking that the earlier we get it the less effort, problems and trouble it creates I am now putting up this poll.
Click to expand...
Click to collapse
That would be a good idea. And you can read about it here http://www.xda-developers.com/android/introducing-original-development-forums-for-more-devices/
Sent from my Nexus 7 (2013) using Tapatalk 4

Nexus 7 LTE different
The Nexus 7 LTE is different from Nexus Wi-Fi similarly how the predecessor Nexus 7 Mobile is different from the Wi-Fi model.
However, in the US, the LTE will run on the top-3: AT&T, Verizon and T-Mobile, and in multiple modes, so expect lots of questions about APNs, plans and such.
Another area of confusion will be the various VoIP clients people will use, like Talkatone, Sipdroid, CSipSimple.
I am not sure how it affects the forum disposition, but if you thought you didn't have enough impossible problems before, get yourself a shiny Nexus 7 LTE... There's a reason for it being late.

PhoneGeek said:
I am not sure how it affects the forum disposition, but if you thought you didn't have enough impossible problems before, get yourself a shiny Nexus 7 LTE... There's a reason for it being late.
Click to expand...
Click to collapse
not sure what you are implying here, but i have one for almost a week now, it is awesome, and it is flawless. even stock 4.3 rooted is not that bad, i would like to have some options though.

It's been announced that all operator versions will be identical (ATT, Sprint, Verizon, etc.). That is something different from the previous N7. So maybe, just maybe someone should try ROM compatibility with Flo (Wifi). If that works out (minus LTE hardware drivers) we won't need a separate forum. And the development would be much better in total as a result of having way more devices....it'd be cool to pick a WiFi rom and flash it on an LTE, and then just flash the LTE module...oh the possibilities....

i tried different flo images on my deb n7 and it doesn't work. it's not booting, it gets stuck at the x. only way to make it work again was flashing an deb image again. so i think a sub forum for deb would be nice

Yeah, good idea. The old Nexus 7 has a dedicated sub-forum for the 3G version too. It makes finding stuff much easier.

Nexus 7 LTE
kendong2 said:
not sure what you are implying here, but i have one for almost a week now, it is awesome, and it is flawless. even stock 4.3 rooted is not that bad, i would like to have some options though.
Click to expand...
Click to collapse
I am referring to the Nexus 7 LTE having a seven-band LTE radio. It's the first device anytime, anywhere I know of to have such a complex radio.
I am also referring to the enormous possibilities this offers Nexus 7 LTE owners, which will compel them to try things never tried before. Take the tinkering with a Galaxy Nexus. Now triple it.
---------- Post added at 12:12 PM ---------- Previous post was at 11:37 AM ----------
Apparently the Nexus 7 LTE went on sale over-the-counter in Germany and Australia on 8/29:
Asutralia: http://www.ozbargain.com.au/node/114844
Germany: https://www.youtube.com/watch?v=iZ0iXzQNckI
Note that there are two versions with different LTE bands.

The EU model is for everywhere outside the US, which would be 95% of the world's telecom. "EverUwhere"
So Google/ASUS launches the US model after the EU model.
Apparenly ASUS has a 16 GiB LTE model that Google isn't selling yet https://en.wikipedia.org/wiki/Nexus_7_(2013_version)#Model_variants

well, i guess this means searching for us LTE owners then...

kendong2 said:
well, i guess this means searching for us LTE owners then...
Click to expand...
Click to collapse
I got an LTE model in Europe on 2 Sept, and I really would like to have a sub-forum, since browsing the normal one and trying to find stuff for the LTE one is just driving me crazy.

Actually, you can find this device in Europe (Germany and Italy, maybe Poland or Romania but I'm not sure).
And we wait soon this version in UK and France nearly.
And it's my next device
And as you know you can request to open this subforum as N7 3G here: *** New Device Forum Requests ***

This would be a great idea. Keep the wifi only and LTE ROMs in different sections.
Sent from my SAMSUNG-SGH-T999 using xda app-developers app

Good idea. Otherwise, I'll need to constantly remind myself to be mindful if the ROM or update is for the wifi only, or LTE.
Otherwise, another possible option would be to append the beginning of each post with a [WIFI] , [LTE] or [GENERIC] depending on which flavour it belongs to.

philos64 said:
Actually, you can find this device in Europe (Germany and Italy, maybe Poland or Romania but I'm not sure).
And we wait soon this version in UK and France nearly.
And it's my next device
And as you know you can request to open this subforum as N7 3G here: *** New Device Forum Requests ***
Click to expand...
Click to collapse
Forum for the device is already created, we just need a subforum for LTE version, pretty basic considering the old model got one as well! Why they didn't create it at the start is a mystery to me.

jak3z said:
Forum for the device is already created, we just need a subforum for LTE version, pretty basic considering the old model got one as well! Why they didn't create it at the start is a mystery to me.
Click to expand...
Click to collapse
Sorry, but you have not understood what I meant or I misspoke.
I meant that it would be better to use the normal way to request the opening of a sub-forum in the thread provided for it => *** New Device Forum Requests ***
I know that the forum, for this device, has been created and we have use the normal way to open a sub-forum for the N7 3G.
I know that the admins will open a sub-forum 2013 N7 for LTE very soon. Don't be afraid

philos64 said:
Sorry, but you have not understood what I meant or I misspoke.
I meant that it would be better to use the normal way to request the opening of a sub-forum in the thread provided for it => *** New Device Forum Requests ***
I know that the forum, for this device, has been created and we have use the normal way to open a sub-forum for the N7 3G.
I know that the admins will open a sub-forum 2013 N7 for LTE very soon. Don't be afraid
Click to expand...
Click to collapse
I don't lose anything posting, true, just did it.

Muikkuman said:
That would be a good idea. And you can read about it here http://www.xda-developers.com/android/introducing-original-development-forums-for-more-devices/
Sent from my Nexus 7 (2013) using Tapatalk 4
Click to expand...
Click to collapse
thanks for the hint. so basically the (not-original) development forums are the useless ones, that could as well be deleted all together. or stuff that is OK and useful, but on an arbitrary scale not "original" enough.
so basically i have to look in both subforums all the time to find something interesting. way to go, xda. and i thought they were back on a better path...

bumping this...

kendong2 said:
bumping this...
Click to expand...
Click to collapse
Forum mods or whoever have to do it, seem to be too busy for it.

LTE radio and phones

Couple of questions for you guys:
1. Is the iPhone for Sprint the same as any of its GSM counterparts, meaning are all the antennas already there?
2. Can i use ATT iphone on Sprint and vice versa?
3. Assuming yes to question 1 and nexus 5 will be the same, when rooting it and putting a custom rom (CM) will there be an issue with the 3g to 4g hand off as it currently exists on my SIII, since the software that does the hand off is proprietary?
Its been a while since I last paid much attention to this stuff, so I may be behind times here so correct me if I wrong.

polska2180o said:
3. Assuming yes to question 1 and nexus 5 will be the same, when rooting it and putting a custom rom (CM) will there be an issue with the 3g to 4g hand off as it currently exists on my SIII, since the software that does the hand off is proprietary?
Click to expand...
Click to collapse
If you get a Nexus 5 I dont know why you'd do that in the first place. I'd just install the Xposed Framework and install specific modules instead that way you get to keep your stock, working ROM, and all the typical mods you'd find in the custom ROMs as well.

uodii said:
If you get a Nexus 5 I dont know why you'd do that in the first place. I'd just install the Xposed Framework and install specific modules instead that way you get to keep your stock, working ROM, and all the typical mods you'd find in the custom ROMs as well.
Click to expand...
Click to collapse
Over my head now, i don't know what you are talking about. I guess I have to read up about it.

polska2180o said:
Over my head now, i don't know what you are talking about. I guess I have to read up about it.
Click to expand...
Click to collapse
It's called xposed framework: http://forum.xda-developers.com/showthread.php?t=1574401
It requires a rooted phone. With this, you can download modules that are associated with xposed: http://forum.xda-developers.com/showthread.php?t=2327541 and you can get that custom rom feeling with your original setup.

Thanks for that...its helpful.
I would still like to learn if roothing N5 and putting CM whatever will it screw with the cdma lte handoff?

This is the Sprint S3 forum all other talk belongs in its respective forum or in the off topic thread provided in the General section. http://forum.xda-developers.com/showthread.php?p=45345513
Thank you for your cooperation with this.
Thread closed
EFM
Have a great day!