How to reset the networks on Realme devices

Realme 6i Realme 6i
Realme 6 Pro Realme 6 Pro
Realme 6 Realme 6
Realme X50 Pro 5G Realme X50 Pro 5G
Realme C3 (3 cameras) Realme C3 (3 cameras)
Realme C3 Realme C3
Realme X50 5G Realme X50 5G