[Help] Rom Porting between MTK6785 chipsets ? - Android Q&A, Help & Troubleshooting

I have a Redmi Note 10S. It's quite a good phone but it has 0 custom roms (except a debloated MIUI). After failing to build one myself (don't blame me, I never built any rom and I never found a good tutorial to follow), I had the idea of porting a custom rom from a similar phone. After a bit of searching, I found a perfect "twin" for my phone: Oppo realme 6. It has a bunch of A11 / A12 roms, and especially everything is same: chipset (MTK6785), screen resolution, storage size, ram size, camera quality... But when I looked for tutorials about porting roms between mtk chipsets, all of the ones I found had completely different steps involved. This is very confusing, as hardbricks are deadly for mediatek devices. I need to be very cautious, so can anyone guide me with the right way of doing so ?

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Why No Custom Roms For MTK devices eg. Infinix, Tecno, Innjoo etc

I haven't come across any custom roms for any MTK ..and am just curious to know why...maybe they are to hard to make or something.. just curious.. also I know a lot of people using MTK devices that seen the custom roms of the resurrection team ,cyanogen team etc...and they would like to experience their roms but can't because its not available for their devices..
The issue is simple. The mtk devices violate the GPL. They are also not available in every part of the world. As most MTK devices are also out of china there is a natural distrust for them (not unfounded in some cases)
Ok..thank you Zelendel..what you said has shed some much needed light on this issue..

Asking for a 'light' / advice to more experienced devs (making AOSP + device to buy)

Hi, I'm in need of some advice about Android development/device to purchase,
Since the devs here are far more experienced than me I would ask some advice,
I started recently 'making' my own AOSP but I needed slow down after discovering I need to have the binaries(kind of: the drivers of the hardware?). So I spent my last 2 days searching about it and devices I could use
I came to the following understanding, I need the AOSP + kernel(as long as I have the kernel I don't need worry about the binaries from the vendor ? since the kernel takes care of it)
I'm thinking between a Moto C Plus or Xiaomi Redmi 6A, since I discovered there are currently ROM's and both have their TWRP. On the case of Xiaomi even the kernel is available. I also noticed the Xperia are good for development, but my problem is the budget I have available
Any piece of advice is welcome, thanks :good:
Try this
biscottoesse said:
Hi, I'm in need of some advice about Android development/device to purchase,
Since the devs here are far more experienced than me I would ask some advice,
I started recently 'making' my own AOSP but I needed slow down after discovering I need to have the binaries(kind of: the drivers of the hardware?). So I spent my last 2 days searching about it and devices I could use
I came to the following understanding, I need the AOSP + kernel(as long as I have the kernel I don't need worry about the binaries from the vendor ? since the kernel takes care of it)
I'm thinking between a Moto C Plus or Xiaomi Redmi 6A, since I discovered there are currently ROM's and both have their TWRP. On the case of Xiaomi even the kernel is available. I also noticed the Xperia are good for development, but my problem is the budget I have available
Any piece of advice is welcome, thanks :good:
Click to expand...
Click to collapse
Hi there,
The best phone that I recommend is the Moto phones as they are easier to port custom versions of android. However, since the Moto C Plus has a MediaTek Processor, I suggest you look for other versions of the Moto Series phones that has a Snapdragon Processors. For example like the Moto E 2nd Gen LTE version, though it has a 1gb ram, I've seen many developers developing their own custom ROM.
I played around with MediaTek Processors the one thing I really don't love about them is that they are not robust like other processors. I had a Lenovo S820 with a MediaTek processor, the one thing I find annoying is that the MediaTek Processors use SPFLASH Tool.
But hey it's your choice like, just make sure the phone that you choose is able to port your custom ROM easily and won't brick the device.
Thank You
KIBS2173
!!!!!!!!!!!! I AM NOT RESPONSIBLE IF YOUR DEVICE GOT BRICKED OR DAMAGED !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
KIBS2173 said:
Hi there,
The best phone that I recommend is the Moto phones as they are easier to port custom versions of android. However, since the Moto C Plus has a MediaTek Processor, I suggest you look for other versions of the Moto Series phones that has a Snapdragon Processors. For example like the Moto E 2nd Gen LTE version, though it has a 1gb ram, I've seen many developers developing their own custom ROM.
I played around with MediaTek Processors the one thing I really don't love about them is that they are not robust like other processors. I had a Lenovo S820 with a MediaTek processor, the one thing I find annoying is that the MediaTek Processors use SPFLASH Tool.
But hey it's your choice like, just make sure the phone that you choose is able to port your custom ROM easily and won't brick the device.
Thank You
KIBS2173
!!!!!!!!!!!! I AM NOT RESPONSIBLE IF YOUR DEVICE GOT BRICKED OR DAMAGED !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Click to expand...
Click to collapse
thanks for your share :good:

Porting Questions

I can already guess the answer, but I still have to ask to be certain.
I have an A7 (2016) and I really need to port Android 9.0 Pie to it. I need a proper mostly stock rom. (basically a manufacturer rom) I haven't been able to find a phone that uses the same chipset (I doubt it exists)
Below two phones do not have the same chipset, but I am hoping they are similar enough for it to work:
https://www.phonemore.com/specs/samsung/galaxy-a7-2016/sm-a710f/
https://www.phonemore.com/specs/samsung/galaxy-j7-core/sm-j701fds/
My question is, would it be possible to port from a different chipset if they are similar enough? Is there a way?
Thank you all.

Looking for ROM for X96s w/ S905Y

Hi,
I am looking for custom ROMs for my Pendoo X96s which seems to have a X905Y SoC. I looked around and haven't really been able to find anything.
If one doesn't exist, I was wondering if there are any instructions as to ROM hacking for this chipset? I have some, albiet, outdated experience with ROM hacking for much older android phones, but haven't really tried that with Android sticks or boxes.
Thanks
AM
look here may be it will help you:
https://forum.freaktab.com/forum/tv...0-pie-firmware-based-on-latest-stock-firmware

I've successfully rooted my Leagoo T5c, now what?

Hi everyone,
After a few hiccups, I successfully rooted my Leagoo T5c, thanks to the excellent tutorial posted here. The phone works fine, thank you, but now, I'd like to know how to proceed to, say, upgrade the phone from its current Android version (7.0) to a more recent version.
Where to start?
Since this phone has a Spreadtrum/Unisoc SC9853i SoC (Intel-based), I suppose the custom ROMs and upgrade possibilities are few and far between, but I'd like to give it a shot.
I'm open to ideas, tips, tricks, voodoo moves and Santeria incantations, but I'm still a noob when it comes to Android, so please, be patient, and methodical... :good:
@UglyStuff
If you can unlock phone's boot-loader then you should be able to flash any Custom Recovery and/or Custom ROM that's suitable to 100% to phone's CPU-architecture. Who is the supplier of phone's SoC isn't of any interest at all.
Hi,
Thing is, as I said, I'm a noob when it comes to Android, so I don't want to brick my phone by trying to make it ingest a ROM that's not suitable for it.
If my phone came with a MediaTek or Qualcomm SoC, I wouldn't worry, because there are plenty of ROMs out there, custom or not, to play with, but this Spreadtrum/Unisoc SoC is a thing of its own.
It's based on Intel's Airmont architecture, and few phones or tablets use it, at least this specific version (SC9853i). Maybe I just don't understand too well how a ROM is built.
UglyStuff said:
Hi,
Thing is, as I said, I'm a noob when it comes to Android, so I don't want to brick my phone by trying to make it ingest a ROM that's not suitable for it.
If my phone came with a MediaTek or Qualcomm SoC, I wouldn't worry, because there are plenty of ROMs out there, custom or not, to play with, but this Spreadtrum/Unisoc SoC is a thing of its own.
It's based on Intel's Airmont architecture, and few phones or tablets use it, at least this specific version (SC9853i). Maybe I just don't understand too well how a ROM is built.
Click to expand...
Click to collapse
For example, I found this article where they explain how to flash LineageOS 17 (based on Android 10) on a Panasonic Eluga Ray 800 that uses the same SoC as my Leagoo T5c.
The thing is, I don't know if this is transposable to my device, though the two share the same SoC. As I said earlier, I don't want to permanently brick my phone...
@UglyStuff
The mentioned Intel Airmount SoC's instruction set architecture is x86_64 , the also mentioned Intel Spreadtrum SC9853i SoC's instruction set architecture is x86_64, too. Hence in order to upgrade yor phone's Android you need a Custom ROM compiled for x86_64 architecture. GIYF ...
OK, but since this Panasonic and my Leagoo share the same SoC, they also share the same x64 instruction set, so do I get it right if I say that the custom ROM built for the Panasonic would fit on my Leagoo, or am I missing something?
In theory it should.
OK, I guess I'll have to chance it, and use recovery in case things so south. My phone isn't compatible with Treble, according to this app. Does it mean anything in terms of installing one of the generic system images found here or not?

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