Build a custom rom - General Questions and Answers

Hi all,
I want to learn how to build a rom and am wondering if someone can guide me. The device is a Double Din unit specifically made to fit into a ford mondeo. It already has android running on it i think its 4.0. I think it has windows ce for all the main stuff (radio functions etc) which i would like to change a bit aswell.
Im hoping that it will be as simple as replacing the android folder and just leaving all the other stuff ie drivers etc but im pretty sure it will be more involved then that.
Here is was what was listed as the internals
Main system information
- Motherboard: Panasonic MN101EF31G 8-bit MPU
- Android Core CPU: TCC8900 ARM11, 1G MHZ
- Internal memory: 1GB DDR2 RAM, 4G Nand Flash
- External memory: supports TF/USB drive up to 32GB
- Operating system: Android 4.0
Obviously there is more specs but i dont think there relevant as there radio functions, gps chip etc.
So please can anyone help me i feel like theres so much potential for this unit but i think the build thats on it is way to buggy and slow.

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[Q] GoClever R103 Netbook - anybody know how to root it?

I use a number of different Android devices and have rooted all of them (so far). Taking a chance, I purchased a GoClever R103 Netbook (which runs Android 4.0) from Morgan Computers in the UK at the princely sum of £89.95
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http://forum.xda-developers.com/showthread.php?p=43573256#post43573256
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[Q] How to Enable/Disable Telephony in Dev. Board Based on Allwinner A20 SoC

Warning: Fairly long query ahead
Hello, I recently purchased a Banana Pi Dev. Board, which is manufactured by Lemaker/Lenovator. In essence, it is a Raspberry Pi clone but with higher specifications (1GHz Dual Core Processor, 1GB DDR3 RAM, SATA support etc). Every information regarding Allwinner A20 SoC is available at linux-sunxi.org/A20. The Android OS (4.2.2) compiled with Kernel is available at lemaker.org/resources/9-38/image_files.html
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The limited research that I have done tells me that A20 has the capacity for Telephony services as BUILD.PROP has following files in it:
rild.libargs=-d/dev/ttyUSB2
rild.libpath=/system/lib/libsoftwinner-ril.so
I think, theoretically, it is possible to turn this Dev. Board into a Smartphone (of sorts) via USB Dongle, but it requires playing around with Android RIL (Radio Interface Layer), of which I have absolutely zero clue.
Any help that I can get from this forum in this regard would be highly appreciated.
Anxiously waiting for some response.

[Completed] Can I install Debian ARM natively on a WM8880/GA-1311F Chinese netbook?

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Anyway, I have a Chinese netbook thing with a keyboard and touchpad, but no touchscreen, GPS, or SIM card functionality. It was cheap and don't have anything essential on the device, so I'm not afraid to brick it if there's risk involved.
Most guides that explain how to get Linux working on Android devices only explain how to access Linux indirectly via a VNC viewer or terminal running on Android, which is not what I want because I don't have enough RAM to run X on top of Android and a VNC viewer. There's too much overhead. I want Linux running on the bare hardware so that I can compile/run native ARM code and use applications actually designed for a mouse/keyboard rather than a touchscreen.
I'm trying to figure out what that would take. Can my device be booted from an SD card so that I can keep Android and boot into Linux by inserting the SD card? Or do I need to flash the "BIOS" and wipe everything out in order to achieve this? If so, what do I need to flash to get a Debian ARM distribution working on such a device, and how do I do it? Ideally, I'd like to be able to dual boot rather than be limited to one OS, but I'm willing to replace Android if it's required.
I'm not sure if I'm posting in the right place, but the problem is that most of the more specific forums on this site involve knowing the exact brand-name and model of the device, and I only know the Chipset and specs of my system. I can't even post pictures of the device or screenshots of application output because I don't have enough posts yet.
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Show your Android Development Machine configurations.

Hi guys, I do develop android apps and websites, I have an 4 year old PC with modest config, so recently wanted to upgrade my Pc or Buy a new PC. So I was searching for the recommended pc configuration for android development that does not suck for few years, but I could not find any new Post over searching on google.
so, I think it is perfect time to start a new thread that does it.
For now I am planning to buy a Pc with
- Mid-Capacity SSD for OS
- A 1TB HDD for Media and files
- Intel i5 Processor (quad core ) Or AMD Ryzen 5 series
- Asus or Gigabit Motherboard (suggest any specific)
- 8 GB ram
- A Primary Display of 19-20 Inches and a secondary if budget allows there after
- I have not decided to buy GPU because crypto mining has made their price sky-rocketed and I cannot find good for bucks gpu, suggest if any.
I will really appreciate if you people share your configurations (optionally adding a Photo of your setup would great)

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