Starting with Android 9, bandwidth throttling will limit all apps that test WiFi signals, allowing only four signal scans every two minutes. Scans need to be performed more frequently for best results. This restriction can be disabled in your phone settings.
1. Go to the settings screen, drop down to About phone, and touch to go to the screen.
Figure 1 Setting page
2. Go to the About Phone page, find the software information, and touch.
Figure 2 About Phone
3. Go to the software information page and find the compilation ID.
Figure 3-1 Software information
When you tap 7 consecutive times, the message "Developer mode is enabled" is displayed. The developer options are activated.
Figure 3-2 Developer Option Activation
1. Go to the settings page, select Developer from the drop-down list box, and click.
Figure 1 Setting page
2. Go to the developer options page, drop down to WLAN scanning restrictions under the Network tab, and click Close.
Figure 2 Developer options page
