There is no Android 10 or EMUI 10 for MAR-LX1M C316. Any website claiming "Android 10 for MAR-LX1M" is a custom ROM (LineageOS etc.) – that is not stock firmware.
The Huawei Mate 10 Lite (MAR-LX1M) remains a capable device for basic tasks, even in 2024. The is stable, offers acceptable battery life (around 4-5 hours SOT), and passes Google SafetyNet for banking apps (as of October 2024). mar-lx1m c316 firmware