Steps to reproduce:
1. Open the attached project “IN-138762”
2. Open the scene: Assets/Scenes/DemoScene
3. Switch the build platform to Android
4. Perform Build and Run on a reproducible device
5. Observe the screen

Actual result: The checkmark (rendered via RenderTexture) is not displayed on top of the Cube
Expected result: The checkmark should be correctly displayed on top of the Cube via the RawImage

Reproducible: 6000.0.13f1, 6000.0.72f1, 6000.3.12f1, 6000.4.1f1, 6000.5.0b1, 6000.0.0a1 (b0e692525f04)
Not Reproducible: 6000.0.12f1, 6000.5.0b2, 6000.6.0a2 (64de5ee36373)
Fixed in: 6000.6.0a2 (2fbfd916bfe9)

Built on: Tahoe 26.3.1 (25D125)

Reproducible with these devices:
VLNQA00526 - samsung Galaxy A12 (SM-A125F), CPU: Mediatek MT6765 Helio P35 (12nm), GPU: PowerVR Rogue GE8320, OS: 12
Motorola moto g64 / g64y, CPU: MediaTek Dimensity 7025, OS: 11 (Reporters)
Arrows We2 A402FC / F-52E, CPU: MediaTek Dimensity 7025, OS: 14 (Reporters)
Xperia Ace II, CPU: MediaTek Helio P35, OS: 14 (Reporters)

Not reproducible with these devices:
VLNQA00580 - Xiaomi Redmi Note 8 (2021) (M1908C3JGG), CPU: Mediatek MT6769Z Helio G85 (12nm), GPU: Mali-G52, OS: 11
VLNQA00319 - Google Pixel 4 (Pixel 4), CPU: Snapdragon 855 SM8150, GPU: Adreno 640, OS: 13
VLNQA00580 - Xiaomi Redmi Note 8 (2021) (M1908C3JGG), CPU: Mediatek MT6769Z Helio G85 (12nm), GPU: Mali-G52, OS: 11
VLNQA00266 - Xiaomi Mi A2 (Mi A2), CPU: Snapdragon 660, GPU: Adreno 512, OS: 9
VLNQA00482 - samsung Galaxy A32 5G (SM-A326B), CPU: MediaTek Dimensity 720 (MT6853), GPU: Mali-G57 MC3, OS: 12
VLNQA00642 - Google Pixel 9a (Pixel 9a), CPU: -, GPU: Mali-G715, OS: 15
Xperia XZ, CPU: Qualcomm Snapdragon 820 (Reporters)
Pixel 6 Pro, CPU: Google Tensor, GPU: Mali-G78 MP20 (Reporters)

Notes:
- This issue occurs only when the following conditions are met:
+ Graphics API: OpenGL ES, not Vulkan
+ Multithreaded Rendering: Enabled
+ The camera rendering to the RenderTexture has its Clear Flags set to 'Depth Only'