Unity 2019.4.3
URP 7.3.1 (also tested with 7.4.1)
SRP Batcher doesn’t seem to be enabled on Android devices, despite being enabled in the pipeline asset and working properly in the editor.
Tested on Google Pixel 4 XL and Samsung Galaxy J2, which are both compatible with SRP Batcher.
Also tested on iOS (iPhone 6) and it seems to be working properly.
Here are some Frame Debugger screenshots depicting approximately the same situation on our game.
Frame Debugger for Pixel 4 with SRP Batcher enabled:
Frame Debugger for Editor with SRP Batcher enabled:
Frame Debugger for Editor with SRP Batcher disabled: