MSI Stealth 18 AI Studio A1V Upgrade Tutorial 

Any damage caused during this upgrade might void the warranty.
Check the spec from where you purchased the notebook.
Before replacing or upgrading your SSD, please remember to back up your data. Additionally, if Intel VMD is enabled by default, please install the IRST or RST driver before installing the new SSD.
This video is applied to MSI Stealth 18 AI Studio A1V Series.
00:01 Introduction
00:07 Preparation
00:21 Specification
00:44 Notification
01:03 Disassemble
02:01 Upgrade SSD
02:17 Upgrade Memory
02:44 Check the SSD & RAM upgrade is successful