For most users, the "update" involves ensuring the phone is on the final stable version released by the manufacturer.

Installing this stock update will remove root access (Magisk/SuperSU). If you have a custom recovery (TWRP), do NOT install the stock ZIP directly—it will brick your device. You must first flash the stock recovery back.

Displays the PCB (mainboard) serial number and hardware revision. Shows detailed software and firmware version information. 📥 How to Safely Check for Genuine Updates

If "80" refers to the file size (80MB) rather than the version, use this sentence in your post:

Follow the on-screen prompts to install the OTA Assistant on your phone and check for the latest firmware. Key Hardware Features & Maintenance