You have to flash the firmware to the latest version by connecting it to PC but it can corrupt your files so you might have to factory reset it. It was the same with my CPID S23+ but once i flashed it, i started getting updates.
What worked for me is when i bought it i didn't get any updates so i flashed the firmware to the latest version now i get updates you can flash it with the samfw tool and download the firmware online but it can corrupt your files and you might have t...