Many Android tablets from 2016-2018 or low-end Fire tablets have limited storage (16GB total). A 100MB file fits seamlessly. Furthermore, these devices struggle to decode 10-bit x265 files, but they can usually handle 8-bit HEVC at low bitrates (around 150-250 kbps).
Most browsers cannot play HEVC natively. If you double-click the file in Windows 10/11, you will likely hear audio but see a green or black screen. This is because Microsoft charges for the HEVC codec. 100mb hevc movies verified