How to reproduce:
1. Create a new 3D URP Unity project
2. Check the “Decompression Fallback“ option in the Project Settings > WebGL > Publishing Settings
3. Build for WebGL platform
4. Deploy a WebGL build on Android device
5. Touch the blue “Full Screen“ button

Expected result: Fullscreen mode is activated and the default Scene is shown
Actual result: Fullscreen mode is activated and the Scene turns black

Reproducible with: 2022.2.6f1, 2023.1.0b3, 2023.2.0a1
Not reproducible with: 2020.3.45f1, 2021.3.18f1

Reproducible with these devices:
Huawei - (ELS-NX9), Android 10, CPU: HiSilicon Kirin 990 5G, GPU: Mali-G76
VLNQA00288 - Samsung Galaxy J7 (SM-J730F), CPU: Exynos 7 Octa 7870, GPU: Mali-T830, OS: 8.1.0
Samsung Galaxy S10+ (user’s information)

Not reproducible with these devices:
Samsung Galaxy S10+ (SM-G975F), Android 10, CPU: NOT FOUND, GPU: Mali-G76
Samsung Galaxy S22 (SM-S901B), Android 13, CPU: Exynos 2200, GPU: Ltd.
Google Pixel 7 (Pixel 7), Android 13, CPU: Google Tensor G2, GPU: Mali-G710
Samsung Galaxy Z Flip3 5G (SM-F711B), Android 12, CPU: Snapdragon 888, GPU: Adreno (TM) 660
VLNQA00513 - OnePlus Nord N10 5G (BE2029), CPU: Snapdragon 690 SM6350, GPU: Adreno 619, OS: 11
VLNQA00480 - Samsung Galaxy S21 5G (SM-G991B), CPU: Exynos 2100, GPU: Mali-G78, OS: 11
VLNQA00472 - Samsung Galaxy A52 (SM-A525F), CPU: Snapdragon 720G (SM7125), GPU: Adreno 618, OS: 12
VLNQA00414 - Galaxy Note10+ 5G (SM-N976V), CPU: Snapdragon 855 SM8150, GPU: Adreno 640, OS: 9
VLNQA00409 - Galaxy Z Fold3 5G (SM-F926B), CPU: Snapdragon 888, GPU: Adreno 660, OS: 11
VLNQA00392 - iPad (9th generation), 15.0 iOS

Not reproducible with: Built-in RP
Couldn’t test with: HDRP (WebGL is not supported)