Android 10 firmware does not exist for the Rockchip RK3188 chipset. This processor, released around 2013, typically runs on much older versions like Android 4.4 (KitKat) or 5.1 (Lollipop). Modern Android versions like Android 10 (Q) have hardware requirements that exceed the physical capabilities of the RK3188's Cortex-A9 architecture.
You're looking for a free Android 10 ROM for the RK3188 chipset! rk3188 android 10 free
To flash a new Android 10 image onto an RK3188 device, you will need specific free software tools: RKBatchTool or RKDevTool: These are the standard Windows utilities used to push firmware files to Rockchip devices. Driver Assistant: You must install the Rockchip USB drivers Android 10 firmware does not exist for the