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 and touch My Devices.
Figure 1 Setting page
2. Go to My Device, select all parameters from the drop-down list box, and click Enter.
Figure 2 My Devices
3. On the All Parameters page, select the MIUI version from the drop-down list.
Figure 3-1 All parameters
Click 7 consecutive times. The message "You are in developer mode now!" is displayed. The developer option is activated.
Figure 3-2 Developer Option Activation
1. Go to the Settings screen and scroll down to find more settings.
Figure 1 Setting page
2. Go to More Settings, select Developer from the drop-down list, and touch.
Figure 2 More Settings
3. Go to the Developer Options page, drop-down to WLAN Scan Adjustment under the Network tab, and click Close.
Figure 3 Developer options page
