She connected her laptop, fired up screen /dev/ttyUSB0 115200 , and saw the truth.
The Ultimate Guide to Amlogic S805 Firmware: Updates, Flashing, and Custom ROMs amlogic s805 firmware
Most S805 devices originally shipped with Android 4.4 (KitKat). She connected her laptop, fired up screen /dev/ttyUSB0
Stock firmware often contains bloatware. Custom ROMs strip away unnecessary background processes to free up RAM. She connected her laptop
Keep in mind that modifying or updating firmware can potentially brick your device, so proceed with caution and ensure you follow proper instructions.