[Q] [REQUEST] Mtk6572 custom rom development - Omni Q&A

Hello.
I am running mtk6572 on my s4 alps gti9500
I would like to know if there are any custom rooms out there such as cm or omni rom
I can give device specs. But first tell me is there any rooms out there which take about 500mb. Cuz that's about all I have.

dali786546 said:
Hello.
I am running mtk6572 on my s4 alps gti9500
I would like to know if there are any custom rooms out there such as cm or omni rom
I can give device specs. But first tell me is there any rooms out there which take about 500mb. Cuz that's about all I have.
Click to expand...
Click to collapse
No. MTK is notorious for poor opensource support, and their code is such a mess that even for devices that have had complete OEM source leaks for the entire Android tree (such as a few 6589 devices), it's incredibly time consuming (and brain-damaging) to integrate the support into a modern Android tree.
If you want custom firmwares, especially AOSP-derivative ones, don't buy MTK. You'll be even worse off than Samsung Exynos4/5.

Related

[Q] Why is there not any AOSP or Cyanogen ROM for S4 i9500?

The AOSP and cyanogen Roms which are available all of them have camera issues and other bugs. Why is it so?
Is it impossible to run AOSP on s4 i9500? If yes, then why so?
Is it because developers are slacking and just dont want to make a AOSP custom rom for s4 i9500 or there is something which limits developer from making AOSP avialable for s4 i9500. maybe samsung hasnt given tools or drivers to developers.
All the custom roms available for s4 i9500 . They all have written at the end of the thread that The rom is based on Stock firmware.
What is a firmware? Isnt it same as kernel?
Yeah I know I am total noob.
diper07 said:
The AOSP and cyanogen Roms which are available all of them have camera issues and other bugs. Why is it so?
Is it impossible to run AOSP on s4 i9500? If yes, then why so?
Is it because developers are slacking and just dont want to make a AOSP custom rom for s4 i9500 or there is something which limits developer from making AOSP avialable for s4 i9500. maybe samsung hasnt given tools or drivers to developers.
All the custom roms available for s4 i9500 . They all have written at the end of the thread that The rom is based on Stock firmware.
What is a firmware? Isnt it same as kernel?
Yeah I know I am total noob.
Click to expand...
Click to collapse
CM Based
Aokp - http://forum.xda-developers.com/showthread.php?t=2654985
Mokee - http://forum.xda-developers.com/showthread.php?t=2578676
Don't panic, I can see ROMs based on AOSP here: http://forum.xda-developers.com/galaxy-s4/i9500-develop
I have personally never seen a i9500 so I beleive they are just not that common or shipped to countries where there is a lack of devs. How about cooking your own? I've started to develop my own ROM which I'm using right now.
Firmware is a full system
The kernel also partly firmware
The kernel is the core of android
If no kernel will not boot
Note: sorry if i am wrong
I9500 has an exynos chipset which had been looked down by Samsung. This has been the case since the Galaxy S2. AOSP Roms exist for the i9500 but they won't be the most stable things you will try, so you are better off staying with the original software or a rom based on the original software.
Androiders96 said:
CM Based
Aokp - http://forum.xda-developers.com/showthread.php?t=2654985
Mokee - http://forum.xda-developers.com/showthread.php?t=2578676
Click to expand...
Click to collapse
as I said these roms have some serious bugs like random reboots bluetooth not working camera not working. These roms arnt good for a casual user.
DallaryPT said:
Don't panic, I can see ROMs based on AOSP here: http://forum.xda-developers.com/galaxy-s4/i9500-develop
I have personally never seen a i9500 so I beleive they are just not that common or shipped to countries where there is a lack of devs. How about cooking your own? I've started to develop my own ROM which I'm using right now.
Click to expand...
Click to collapse
Developing your own ROM is cool thing. That's what I will be doing after my next month exams.. I dont actually own a s4 i9500 but my cousin has it. I have xolo a500s. It's pretty looking device. I would like to port 4.4 kitkat AOSP rom on it.. :victory:
Androiders96 said:
Firmware is a full system
The kernel also partly firmware
The kernel is the core of android
If no kernel will not boot
Note: sorry if i am wrong
Click to expand...
Click to collapse
Thanks for replying. I think you are right. Firmware = rom + kernel.
ballsofsteel said:
I9500 has an exynos chipset which had been looked down by Samsung. This has been the case since the Galaxy S2. AOSP Roms exist for the i9500 but they won't be the most stable things you will try, so you are better off staying with the original software or a rom based on the original software.
Click to expand...
Click to collapse
Yeah that's it. Samsung doesn't share the full source code of it's exynos chip. half of the sourcecode is closed source. They just don't give the full source code to the developers. That's why developers fail to make custom kernels and roms.
But now I wonder why do samsung do this? Maybe they dont want other phone makers to know their unique performance tweaks which they have put in sourcecode.
Lesson learnt never buy Exynos powered device. Always try to get snapdragon powered device.

[Q] i am using s5 SM-G900H

i have rooted my phone and now i am searching for custom roms i am new to xda please provide me the best rom link
There is no best ROM anymore than there is any one best car or vacation. It depends on what you are looking for and you gave no hint of what your priorities are.
Moreover you have a niche model. There are a lot of custom ROMs to choose amongst for Qualcomm S5's. However you have an Exynos based handset which comparatively few people use and which is incompatible with the Qualcomm models. This means that few custom ROMs are available for the 900H simply because few developers own the model that you have. Have a look in the android development subforum to see what is available. The last time I looked it was ony stock or debloated stock ROMs for your variant.
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in that debloaed rom we have Odexed Version nd deOdexed Version wat z the difference
fffft said:
There is no best ROM anymore than there is any one best car or vacation. It depends on what you are looking for and you gave no hint of what your priorities are.
Moreover you have a niche model. There are a lot of custom ROMs to choose amongst for Qualcomm S5's. However you have an Exynos based handset which comparatively few people use and which is incompatible with the Qualcomm models. This means that few custom ROMs are available for the 900H simply because few developers own the model that you have. Have a look in the android development subforum to see what is available. The last time I looked it was ony stock or debloated stock ROMs for your variant.
.
Click to expand...
Click to collapse
in that debloaed rom we have Odexed Version nd deOdexed Version wat z the difference
One is odexed and one isn't. Simple huh?
As a simple search would have shown you, stock firmware apps are odexed, while few custom ROMS are. Odexing is where an app is split into two parts ostensibly to make them load faster upon boot. Odex is a pain in the neck if you want to modify a system. It's sole advantage is that it may reduce your boot time.
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About NFC problem on CM based ROMs...

I'm new in Android ROM developing but I wonder why can't the "driver files" from stock Android 4.4.2 be placed on CM builds and make the NFC work. I made ROMs with modified apps or other customization so I don't know much about porting ROMs.
P.S.: English for bad sorry.
mihai.apostu98 said:
I'm new in Android ROM developing but I wonder why can't the "driver files" from stock Android 4.4.2 be placed on CM builds and make the NFC work. I made ROMs with modified apps or other customization so I don't know much about porting ROMs.
P.S.: English for bad sorry.
Click to expand...
Click to collapse
CM is based on complete different source codes. And a v different system than a kitkat. So there are two ways to get NFS active : a lollipop update by Samsung or drivers given by the company who made our device's NFC chip.

Custom Kernel for Lineage OS based ROM´s (Exynos Based S7E)

hey guys...
after years of modding qualcomm-based devices (mainly xperia´s), i buyed a galaxy alpha, i wondered why there arent custom kernels for cm... then ive got a cracked screen and went back to my xperia z2... but after a time ... i just wanted a new phone... so i brought the S7E (Exynos Based) ... i hate touchwiz so i instantly installed RR... but then my question comes back into my head: why there arent custom kernels for CM/LOS based roms?
thx in advance, big sorry for my very bad english (it was better for a time...)

Is it possible to flash a different variant for my device? For example, my device is SM-T561, and my desired firmware is SM-T560NU, is it possible?

Hello!! I am a person who understands few terms in Advanced Android World, and I came here to learn and know more for the sake of my curiosities. Please do help and teach me to enlighten my understanding. Thank You.
My question is; Is it possible or is there any way to flash a different stock firmware variant for my device? Specifically, my device is SM-T561, which is on Android 4.4.4 (KitKat), and it is very unsupported. And I would like to flash the Stock Firmware of SM-T560NU because it is on Android 7.1.1 (Nougat). The Android Versions differ a lot, not to mention their gap, some apps I need aren't available on Android 4.4.4, that is why I want to flash SM-T560NU.
(Out-of-Topic-Information: Now I am currently on ViperOS v5.1, I like it, I do, but I still want some Samsung Apps on my device, like the Stock Samsung Keyboard, Touchwiz, and more. But these apps can't be installed on this OS, and that is xo xad. And so, yes, I used Custom OS to acquire what I partially desire, but not what I really need. I agree to the fact that Custom OS are good especially for those who loved customizing the device and/or optimizing the performance.)
Is there a way, or a tool to flash a different stock firmware variant for my device? If there is a way or a tool, please tell me. I really want to flash SM-T560NU to my SM-T561 despite their differences, perhaps there is a way. I really need and want to experience the Stock Samsung firmware with Android 7.1.1. for Galaxy Tab E. TY.
Chilly Elemental said:
Hello!! I am a person who understands few terms in Advanced Android World, and I came here to learn and know more for the sake of my curiosities. Please do help and teach me to enlighten my understanding. Thank You.
My question is; Is it possible or is there any way to flash a different stock firmware variant for my device? Specifically, my device is SM-T561, which is on Android 4.4.4 (KitKat), and it is very unsupported. And I would like to flash the Stock Firmware of SM-T560NU because it is on Android 7.1.1 (Nougat). The Android Versions differ a lot, not to mention their gap, some apps I need aren't available on Android 4.4.4, that is why I want to flash SM-T560NU.
(Out-of-Topic-Information: Now I am currently on ViperOS v5.1, I like it, I do, but I still want some Samsung Apps on my device, like the Stock Samsung Keyboard, Touchwiz, and more. But these apps can't be installed on this OS, and that is xo xad. And so, yes, I used Custom OS to acquire what I partially desire, but not what I really need. I agree to the fact that Custom OS are good especially for those who loved customizing the device and/or optimizing the performance.)
Is there a way, or a tool to flash a different stock firmware variant for my device? If there is a way or a tool, please tell me. I really want to flash SM-T560NU to my SM-T561 despite their differences, perhaps there is a way. I really need and want to experience the Stock Samsung firmware with Android 7.1.1. for Galaxy Tab E. TY.
Click to expand...
Click to collapse
No. Sm T560NU runs on snaprdgon processor, and sm t561 has a spreadtrum processor
Try installing magisk module xml pack and then install Samsung apps

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