While a dedicated "Soyes XS11 Custom ROM" does not exist, the device runs on a MediaTek architecture that technically supports Project Treble if simulated, or can accept if the bootloader is unlocked and a compatible partition structure is forced. Risks and Warnings

If you want to proceed with customizing your device, let me know:

Upgrading the OS means newer versions of WhatsApp, banking apps, and tools will function correctly.