Amazon.com: Logitech G502 Hero K/DA High Performance Gaming Mouse - Hero 25K Sensor, 16.8 Million Color LIGHTSYNC RGB, 11 Programmable Buttons, On-Board Memory - Official League of Legends KDA Gaming Gear :
G502 X Wireless Gaming Mouse | Logitech G
How to update your mouse firmware (logitech G502) - YouTube
Logitech G502 Hero League Legends | Logitech G G502 Hero Mouse - Logitech G502 K/da - Aliexpress
Don't. Just don't. G502 HERO firmware update through G HUB is broken. Waited for over 1.5h with the mouse "updating" and not working, and at the end had to disconnect and reconnect
Logitech Gaming Software not working well with Big Sur (11.3.1) : r/LogitechG