The Generic version 18.04.2 works AFAIKT

This system was tested with 18.04.0 LTS, running the 4.15.0-1012-oem kernel.

https://www.dell.com/support/home/us/en/19/drivers/osiso/recoverytool/linux

If you didn't order with ubuntu best way to try this is ALONGSIDE windows 10.

 

https://certification.ubuntu.com/hardware/201808-26380/

 

http://releases.ubuntu.com/18.04/ubuntu-18.04.2-desktop-amd64.iso

 

Hardware summary

This system was tested with these key components:

Processor	Intel Intel(R) Core(TM) i5-8265U CPU @ 1.60GHz
Video	nVidia GM108M [GeForce MX130] Intel UHD Graphics 620 (Whiskey Lake)
Ethernet	Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
Wireless	Intel Cannon Point-LP CNVi [Wireless-AC]

Hardware details

Audio	Intel Cannon Point-LP High Definition Audio Controller Intel Unknown
Bluetooth	Intel 8087:0aaa
Disk	SanDisk nvme0n1 ST2000LM007-1R8174
Keyboard	AT Translated Set 2 keyboard
Network	Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
Processor	Intel Intel(R) Core(TM) i5-8265U CPU @ 1.60GHz
Touchpad	DELL08A7:00 06CB:CCA6 Touchpad SynPS/2 Synaptics TouchPad
Usb	Intel Cannon Point-LP USB 3.1 xHCI Controller
Video	nVidia GM108M [GeForce MX130] Intel UHD Graphics 620 (Whiskey Lake)
Wireless	Intel Cannon Point-LP CNVi [Wireless-AC]
Other	Dell WMI hotkeys HDA Intel PCH HDMI/DP,pcm=10 HDA Intel PCH HDMI/DP,pcm=3 HDA Intel PCH HDMI/DP,pcm=7 HDA Intel PCH HDMI/DP,pcm=8 HDA Intel PCH HDMI/DP,pcm=9 HDA Intel PCH Headphone Mic Intel HID 5 button array Intel HID events Lid Switch Power Button Sleep Button Video Bus Intel nvme0 Intel Skylake Processor Thermal Subsystem Intel Sky Lake Gaussian Mixture Model Linux Foundation 2.0 root hub Linux Foundation 3.0 root hub Aquantia Corp. 27c6:538c

 

I have a dell vostro 5481 and i DO NOT recommend using ubuntu, i got so much freezes using it, mint is much better and im on the tests to find out more distros.

Pop OS 20 -> freezes
Debian 10 -> no wifi 

Deepin -> almost perfect but bluetooth interfere on wifi 

Mint -> recomended no problems