Porting the S4 rom to other devices - Samsung Galaxy Tab S4 Questions & Answers

My question is not directly related to the device, more to it's software and the developers working here - since the S4 is an Snapdragon 835 based, do you see it as a possibility to eventually port the rom of the S4 to other 835 based devices? I think it would be a compleling option, especially with OneUI (when it comes eventually), DeX and Linux on DeX.
Thanks in advance for any replies, sorry for the bit of off topic.

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[Q] Samsung Galaxy Tab 3 GT-P5210 Downgrading

I have a SGT 3 GT-P5210 running Android 4.2.2 . But for some developing reasons I want to downgrade it to 4.0.3 ICS.
I have searched a lot on the web, but I couldn't find not even 1 ROM for 4.0.3 dedicated for my device.
I also have a look at this xda thread but nobody gives an answer in the end: http://forum.xda-developers.com/showthread.php?t=2582179
I am actually thinking that it is completely impossible to find a ROM for my purposes, due to many reasons.
Is this right? Or does anyone have a link at such a ROM?
The scenario of just trying to flash a ROM of SGT 2 won't work due to the Intel Atom Processor of GT 3...Not saying that it could work otherwise...
Thanks in advance.
If you every heard of porting then google how to port and there is a lot of guides, so that can help you make a rom for your own then if it works upload it and share it with community
Sent from my SM-T210R using Tapatalk
Ripshock said:
If you every heard of porting then google how to port and there is a lot of guides, so that can help you make a rom for your own then if it works upload it and share it with community
Sent from my SM-T210R using Tapatalk
Click to expand...
Click to collapse
I googled for porting and I found some very interesting articles and guides. But it seems it is not possible for my purposes. The Port ROM has to be for the same processor type (Galaxy Tab 3 -> Intel Atom) and of the same manufacturer as of the Base ROM's (Samsung doesn't have an Intel tablet with Android ICS available..). In some guides I also read that the Android versions have to be of the same type, which is the opposite of what I want.
Porting from Galaxy Tab 2 will ,almost definitely, won't work since it has an ARM processor. But I will try it to ensure that it will fail.
Building from source is also impossible, because several vendor components will be needed, which are proprietary, and as a result, unavailable.
I will let you know when I brick my Tab 3 with Tab 2 ROM.
Nick_Pro said:
I googled for porting and I found some very interesting articles and guides. But it seems it is not possible for my purposes. The Port ROM has to be for the same processor type (Galaxy Tab 3 -> Intel Atom) and of the same manufacturer as of the Base ROM's (Samsung doesn't have an Intel tablet with Android ICS available..). In some guides I also read that the Android versions have to be of the same type, which is the opposite of what I want.
Porting from Galaxy Tab 2 will ,almost definitely, won't work since it has an ARM processor. But I will try it to ensure that it will fail.
Building from source is also impossible, because several vendor components will be needed, which are proprietary, and as a result, unavailable.
I will let you know when I brick my Tab 3 with Tab 2 ROM.
Click to expand...
Click to collapse
Why are you so n00b ???
Trying to flash a Tab 2 ROM on a Tab 3 ?
Architectures are VERY different,
Processor are different,
GPU are different,
RAM modules (DDR3L vs DDR2) are different,
Sound Cards are different,
So how could you port this ?
Have you already wondered WHY development of Tab 3 10.1 is too SLOW ?
Good luck with your port.
Btw, if you want the most smoothest ROM released for Tab 3 10.1, flash this http://forum.xda-developers.com/showthread.php?t=2693396 :good:
It's an awesome rom with many features like Multi-Window
Sent from my GT-P5210 running on amtrom hd

Is possible to port worse TW lollipop to S4 Mini ?

Samsung says memory limitations. hmm, why a3 2015 has lollipop ? A3 HAS 1GB RAM. 2 cores not has problems to run lollipop.
Why I'm say worse ? Samsung's all devices, only S4 mini and s3 neo has Snapgragon 400. but s3 neo has 720p display, s4 mini has 540p display.
Yea, great developer edit s3 neo lollipop port rom to had compatible qHD display. but s3 neo has cortex a7, s4 mini has krait 300
But I don't know who is succesfully ported 5.1 to s3 neo. note 3 neo has 720p but has exynos ???
Next device is A3 2015 but it has 64-bit cpu. blablabla...
Possible ?
ets2_volvo said:
Samsung says memory limitations. hmm, why a3 2015 has lollipop ? A3 HAS 1GB RAM. 2 cores not has problems to run lollipop.
Why I'm say worse ? Samsung's all devices, only S4 mini and s3 neo has Snapgragon 400. but s3 neo has 720p display, s4 mini has 540p display.
Yea, great developer edit s3 neo lollipop port rom to had compatible qHD display. but s3 neo has cortex a7, s4 mini has krait 300
But I don't know who is succesfully ported 5.1 to s3 neo. note 3 neo has 720p but has exynos ???
Next device is A3 2015 but it has 64-bit cpu. blablabla...
Possible ?
Click to expand...
Click to collapse
i'm unable to understand devs here in s4 mini section , they dont even try , and not even respond when its about it !
there must be a way to do it , do you know any turo on how to port lollipop to kitkat devices ?
Maybe the only way to do that will be creating from cm sources with an existing ROM with another skin. Time ago, when I got my galaxy ace I tried a ROM that was a jellybean port, that was far from TW 2.X look and feel.
http://forum.xda-developers.com/showpost.php?p=64033422&postcount=225
http://forum.xda-developers.com/showpost.php?p=64035364&postcount=229
http://forum.xda-developers.com/showpost.php?p=64059624&postcount=236
adityapal(adizmayazal) tried it but as far as I know unfortunately he got too many force closes, issues
J2 is worse device than s4 mini. Than J2 has exynos 3. I don't know
http://forum.xda-developers.com/galaxy-s4/i9506-develop/rom-aryamod-port-s7edge-portv6-0-t3416461 everything is possible s4 i9506 with TW 6.01M for us may be dependent on developers
huawei92 said:
http://forum.xda-developers.com/galaxy-s4/i9506-develop/rom-aryamod-port-s7edge-portv6-0-t3416461 everything is possible s4 i9506 with TW 6.01M for us may be dependent on developers
Click to expand...
Click to collapse
I think another good dev port s3 neo's lollipop port cos very similar chipset but comes different gpu blabla...
ets2_volvo said:
I think another good dev port s3 neo's lollipop port cos very similar chipset but comes different gpu blabla...
Click to expand...
Click to collapse
the system of the Samsung TouchWiz and wonderful it would be really nice if by cm code could pull off a 6.0 tw must recreate a kernel using cm code and the operative part of a s5 32bit taking just enough like the Samsung app panel tiles the dialer contacts the settings panel the music player and the gallery would be fantastic removing the fingerprint sensor and all the other things that a stock s4 not has a beautiful rom would come and certainly turned better than KitKat well optimized with marshmallow
huawei92 said:
the system of the Samsung TouchWiz and wonderful it would be really nice if by cm code could pull off a 6.0 tw must recreate a kernel using cm code and the operative part of a s5 32bit taking just enough like the Samsung app panel tiles the dialer contacts the settings panel the music player and the gallery would be fantastic removing the fingerprint sensor and all the other things that a stock s4 not has a beautiful rom would come and certainly turned better than KitKat well optimized with marshmallow
Click to expand...
Click to collapse
Cm sources not usable because touchwiz freamwork very different to aosp. S4 kernel's I think work
ets2_volvo said:
Cm sources not usable because touchwiz freamwork very different to aosp. S4 kernel's I think work
Click to expand...
Click to collapse
you can not take the base of s5 and developing an area compatible with our new cyanogen mod comes out when you do not take the google code and spread to most of the devices can not do the same with TouchWiz from a new kernel
huawei92 said:
you can not take the base of s5 and developing an area compatible with our new cyanogen mod comes out when you do not take the google code and spread to most of the devices can not do the same with TouchWiz from a new kernel
Click to expand...
Click to collapse
I think very best base is s3 neo cos msm8228 and msm8230

SM-N7502 Not even getting KITKAT, How can I get it myself?

Hello,
My friend owns a Samsung Note 3 Neo (N-7502) and he wants to update it because it never got any updates from Samsung from the day he got it (Still running 4.3 and other versions at 5.1.1 already....)
I know there's more than a topic of discussions about this, but there's no answers so I thought the people who could help didn't notice this...
It could be CyanogenMod or anything else, just something newer, better.
He could sacrifice the usage of the 2nd sim card for now if that's the only way.
Please if you know a way, help.
Thanks
My girlfriend owns one too. I've searched in a lot of places, but people said that installing something of the single SIM variants on a dual SIM one won't work. If someone knows how to make it work, please tell us.
*Bump*
I've searched a lot for a solution but I couldn't find any.
Would installing a different model's (N7505) rom work?
Would it even boot up?
It is a totally different phone
Duos variant is qualcomm based while other variants are exynos so no ROM other than stock will work for it for now
There is some hopeful trials to build cm12.1 ROM by Firelord but till the moment we are speaking there is nothing
Hope for the best
Best Regards
mylove90 said:
It is a totally different phone
Duos variant is qualcomm based while other variants are exynos so no ROM other than stock will work for it for now
There is some hopeful trials to build cm12.1 ROM by Firelord but till the moment we are speaking there is nothing
Hope for the best
Best Regards
Click to expand...
Click to collapse
I had higher hopes.. According to PhoneArena the 750 variant is the one with Qualcomm and the duos (7502) is similar to 7505 processor wise.
Is that wrong?
Iamhady said:
I had higher hopes.. According to PhoneArena the 750 variant is the one with Qualcomm and the duos (7502) is similar to 7505 processor wise.
Is that wrong?
Click to expand...
Click to collapse
See that page :
http://www.gsmarena.com/samsung_galaxy_note_3_neo_duos-6015.php
Also i got build.prop which confirms this
Also all kernel sources from Samsung
Knowing that the device is qualcomm based gives me hope that it may get CM ROM
Anyway, We need some attention from more developers
Best Regards
mylove90 said:
See that page :
http://www.gsmarena.com/samsung_galaxy_note_3_neo_duos-6015.php
Also i got build.prop which confirms this
Also all kernel sources from Samsung
Knowing that the device is qualcomm based gives me hope that it may get CM ROM
Anyway, We need some attention from more developers
Best Regards
Click to expand...
Click to collapse
I'm not sure developers will bother.. But I hope they will.
I don't understand the reason for this... Qualcomm is the most popular processor manufacturer of CPUs so it'd be easier to create a ROM or edit an existing one to work on this phone... I don't understand why the exynos ones are getting more attention.
Iamhady said:
I'm not sure developers will bother.. But I hope they will.
I don't understand the reason for this... Qualcomm is the most popular processor manufacturer of CPUs so it'd be easier to create a ROM or edit an existing one to work on this phone... I don't understand why the exynos ones are getting more attention.
Click to expand...
Click to collapse
According to https://autoroot.chainfire.eu/ MSM8228 board is used by Samsung G800H (Galaxy S5 mini) and N7502. Also google shows HTC Desire 816 Dual Sim based on the same board and looks like that's all. But these other devices already have custom roms.
Please build a ROM for sm n7502 dual sim variant

Ported rom Android 9 from official firmware a720s to a520f and a720f?

Is there any expert programmer who can make ported stock rom pie from samsung a720s official firmware,for a520f and a720f?
The hardware of the a720s is the same as the a720f, it's just a matter of who has the time, knowledge and willto make. Because we all want 9 on our phones. .
Alchajmer said:
Is there any expert programmer who can make ported stock rom pie from samsung a720s official firmware,for a520f and a720f?
The hardware of the a720s is the same as the a720f, it's just a matter of who has the time, knowledge and willto make. Because we all want 9 on our phones. .
Click to expand...
Click to collapse
Hadesrom is made from an a8 base with a720s fixes in it and is basically identical.
SnowFuhrer said:
Hadesrom is made from an a8 base with a720s fixes in it and is basically identical.
Click to expand...
Click to collapse
A8 and a720s are not the same.A8 has Exynos 7885 and a720s Exynos 7880.A8 has 4gb ram, while a720s has 3gb ram.A8 has Mali-G71 GPU while a720s carries Mali-T830MP3.Hardware a720s is identical to a720f.A8 is not nearly as similar in hardware, which is one of the reasons why the Hades rom doesn't work completely without bugs, as much as the programmer tried. After a few days, it slows down. That's why the programmer gave up further updates and closed the thread. I ask, do any of the programmers know how to port rom from a720s for a520f and a720f?
Relax, eventually we will get something
Guys really, you are just so dumb. Having developers around like Corsi or Option58 is a dream for a big part of the XDA community. Imagine that no one is developing for Ax 2017, with what you eventually end? Stock oreo ROM and only it. No Lineage, no Pie, nothing.
Just wanted to remind you that everything related to AOSP is possible thanks to RaymanFX, and you pissed him off a long time ago. I'm ashamed about that part of the community, OP, think a while, just think. Are you sure that you have more knowledge than people making such things? I bet that you ever can't compile LineageOS from sources with a tutorial.
I sorry so much for Corsicanu, he spent an enormous amount of time to deliver you butter smooth stock roms, make the stable pie even possible, release professional kernel and the only thing he received for that is complaining and calling him stupid.
I'm less and less frequent here, thank you to all active or inactive developers for keeping this phone alive, I wish the best for you and remember, you are doing such a great job and there are still people who appreciate it.
Regards.
@Alchajmer
1. we have an android 9 port already
2. if you don't like them (I guess you do else you wouldn't open this thread) then feel free to port your own android 9 rom. if you don't know how then search on xda. there a plenty of guides about porting roms.
3 finally read this post please. I hope this will change your opinion about porting A720S to our devices.
And no the progammer did not close his thread because of the A8 port is "slowing down" the performance, he closed it because a lot of people requested (and even keep requesting) an A720s pie based port in his thread (check last posts) like you did here.
Did corsicanu confirmed that a720s rom cant be ported to a520/a720f or you guys are just guessing?
Let the man work when he has time thats it...
Hades rom works fantastic on my a520f. For all his honor. But after a few days everything slows down. Why? I don't know. It's like he's running out of memory. For example, the calculator needs a second or two. So I asked if there was a minimum chance of porting rom to the a520 / 720f from the A720s. I'm not a programmer, but I've been using custom roms for a long time to know if the phones match the hardware, there's a chance for porting. I'm not saying that it has to be tomorrow, but when the developer has time

[Q] Would it even be possible to port Android 12 to the Samsung Galaxy Nexus?

Seeing how even the Samsung Galaxy S II has gotten a port of LineageOS 12, I wondered if there's anything that would prevent the Galaxy Nexus from getting it as well.
A developer already told me privately that it would be theoretically possible and that it would probably be better off with Android Go settings, but I wondered if there could be anything else that might prevent it. Because I see little discussion about this phone and I've seen no Custom Roms that go beyond Android 7.1 Nougat.
As a smartphone of the Nexus line, shouldn't it be even easier to support than something like the Galaxy S II?
I just know that it'd be awesome to see newer Android versions on it, just as with several other older phones that already got them.
Are you serious??? There is no way Galaxy Nexus can run Android 12. Even when this phone run on Android 7.1.2 (latest custom rom) it run poor and gets hot quickly, so i don't think anyone will build any custom rom for this device.
alprtewwqfr said:
Are you serious??? There is no way Galaxy Nexus can run Android 12. Even when this phone run on Android 7.1.2 (latest custom rom) it run poor and gets hot quickly, so i don't think anyone will build any custom rom for this device.
Click to expand...
Click to collapse
I'm just curious whether it is possible or not. The Samsung Galaxy S II seems to be able to do it, even though it's still in an early phase.
"As a smartphone of the Nexus line, shouldn't it be even easier to support than something like the Galaxy S II?"
for ti Omap chipset it isnt really easy to port twrp or lineage 19.0
"A developer already told me privately that it would be theoretically possible and that it would probably be better off with Android Go settings,"
no, you don't bringup and you can't make android 12 for this device. remember TI OMAP processors are close source afaik. and android 7 on this device RUNS VERY POORLY. so it's impossible to port a12 on this device, unless you try to port LOS 15.0 first.
[ROM][AOSP][8.1 Oreo] Unlegacy Android (Unofficial)
Warranties: THIS GUIDE COMES WITH NO WARRANTY. I AM NOT RESPONSIBLE OF BREAKING YOUR PRECIOUS TABLET. PLEASE BACKUP YOUR DATA BEFORE CONTINUING, AS THIS GUIDE WILL WIPE YOUR DATA. Also, this guide assumes you have the following requirements...
forum.xda-developers.com
Oreo actually runs way better than Nougat, at least with the holy kernel 3.4.
Can someone port Lineage OS 15.1 for the Galaxy Nexus maguro?
Don't forget, Android 12 (as well as 11, possibly also 10) is 64 bit only.
siealex said:
Don't forget, Android 12 (as well as 11, possibly also 10) is 64 bit only.
Click to expand...
Click to collapse
That's not right, we are running A11, A12 and A13 on many other arm chipsets like the Samsung Galaxy S2, Samsung Galaxy S3 and also many others...
Yes, it can be compiled for these chipsets, but will it be compatible with new software?
siealex said:
Yes, it can be compiled for these chipsets, but will it be compatible with new software?
Click to expand...
Click to collapse
Yep, everything seems to work fine .
its theoretically possible, the omap 4460 is armv7 and has over a gig of ram, which are the bare minimum system requirements for running android 12.
however, it would be a major undertaking to port the crusty code over to android 12 AND it would run like garbage, unless someone were to try and speed up that code, which would be a whole other story.
if the community had continued like it had on the galaxy s2, this wouldve already happened, but it didnt for likely many reasons.
im guessing one of those is the lack of mainline linux support, which is because of the SGX540 in this phone.

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