A free app for Android, by TriTech Techno Point.

Auto Signal Network Refresher is a useful utility that can automatically refresh and optimize your mobile network and internet speed. It will help you to get a better internet connection. This app can be very useful when you are using a 3G/4G/5G/6G cellular network. 

To get a better internet connection, you need to connect to a good Wi-Fi signal. However, not all Wi-Fi signals are equal. Some of them are very slow, and some of them are very fast. In order to get the best internet speed, you need to connect to the Wi-Fi signal that is the fastest and best.