this is how bots army and click fraud take place. your uniq mobile id means nothing. Here is How they build the 3rd gen, 20 mobiles into a server chassis? 3rd generation click farm fraud involves mobile device servers, centralised and operated by one.

@nixCraft As an app dev one of those with boards from different phones would be awesome!

Shame they're used for click farming.

@Ryanteck @nixCraft

I have a few old phones with broken screens and/or dead batteries. It would be good to give them a new life as test systems, so I would also be very interested to know more how this works and if I can buy the parts on Aliexpress...

@nixCraft I first thought they were using the CPUs from recycled phones as a cheap and powerful server to compute stuff.
@nixCraft

The following text is the video's original subtitle (Chinese):
什么是主板机
是把多部手机主板集成到一个机箱中
把不要旧手机主板摘下
接上直供线尾插线
点上热熔胶加工
贴上散热片
巧妙组安装置机箱卡槽内
一个主板就是一部手机功能
这就是主板机一套等于拥有20部手机
给机箱通上电源
连接网络
一键开机
三个静音风扇
冷风散热
确保机箱性能不受影响
用上投屏软件实现投屏
把20部手机高清画面逐一投屏电脑
每个手机都是单独IP
单独环境
网络互不干扰
一键可以同时操作20部手机
也可以单独操作指定一部手机

DeepL translate:
What is a motherboard unit
It's the integration of multiple cell phone motherboards into a single chassis.
Take off the motherboards of the old cell phones you don't need.
Connect the direct cable to the tail plug cable
Hot melt adhesive is applied.
Attach a heat sink
Skillfully install the device in the chassis slot
A motherboard is a cell phone function
This is a set of motherboards equal to 20 cell phones.
Power on the chassis
Connect to the network
One key to boot
Three silent fans
Cool air cooling
Ensure that the performance of the case is not affected
Use the screen casting software to realize screen casting
Throw 20 cell phones HD screen to computer one by one
Each cell phone is a separate IP
Separate environment
Network does not interfere with each other
One button can operate 20 cell phones at the same time
You can also operate one cell phone individually

Translated with DeepL.com (free version)

@nixCraft

Imagine smartphones having proper Linux available being normal, so we could actually reuse them as a super cheap but powerful Raspberry Pi replacement.

@didek @nixCraft there's alpine linux based postmarket os but it's still in early development.

rather curious where that project goes bc like u said being able to use old phones as a 'already in my drawer' alternative to rpis or the likes, not just feasibly but practically, could make an impact.

especially with phones getting more capable and powerful (and expensive) each year

@nixCraft
I can't even get Chromecast to work reliably.

@RealGene @nixCraft yea but thats on chromecast just being shit
-source have two of them in my room, next to my router, static ip and priority.
still as reliable as pull out game

i really should just get a raspberry pi and put kodi on it

@nixCraft I'm curious on how they got the phone working headless like that, what did they do to do that?
@xilla @nixCraft They mentioned some screen copying software (in Chinese) in the video🧐
@xilla @nixCraft Probably some form of KVM switch connected as a USB OTG device + scrcpy for screen mirroring.
@nixCraft And they can part out the rest of the phones as repair replacements. Or sell them right back to the factory, if they have a guy that knows a guy.
@nixCraft this would be great for parallelizing automated smoke tests of apps
@nixCraft It's a Matrix pod, only it's unscrupulous and manipulative humans mercilessly exploiting innocent cellphones who think they're living on a real network. 
@nixCraft Looks like this would fit straight into Montecrypto by Tom Hillenbrand.
@nixCraft Clicks should only be counted if they come from phones that are used in a normal way: moved, typed on, discharged and charged etc.
@radioscout @nixCraft I don't understand why you think "clicks should be counted"
@nixCraft This doesnt only impact social media advertising. If you create a fake website and let Google put ads on it and click on those ads all day = money
@nixCraft The street finds its own uses for things. ( William Gibson, _Burning_Chrome_ , 1982 )