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Mrrrr's Forum (VIEW ONLY) / Android Stuff / Enable / Disable Wifi Scan Throttling Moderat de TRaP, TonyTzu
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Mrrrr
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As far as I've read online, Wifi Throttling might help reduce battery drain and improve network performance.

User hw2B from Source 1 explains it well:


It is there so apps cannot just scan for wifi whenever they want. Any apps, including built in system apps. Some apps want wifi all the time, even if they are not being actively used. There really isn't a great reason for that especially if the app is just some waste of time game.

It limits how often apps can scan Wi-Fi and apps includes system features, to improve connectivity, or to save battery life. The throttling means foreground apps can only run four Wi-Fi scans every two minutes, while background apps are only allowed to run a scan once every 30 minutes.

So if the wifi scan setting is on and if you have apps that are not trying to be all crazy with the wifi for no reason then the battery power saved would be negligible. But if there is a crazy app that just wants wifi all the time, this setting stops it from trying every 2 seconds (or whatever timeframe the developer wrote into the code) which will improve battery life.


On my new phone it's set to active and Wifi works great.

Enable / Disable Wifi scan throttling:

1. Enable Developer options

a. Go to your phone's Settings - About phone.

b. Locate the Build number. On my phone I don't have it under that name, I have MIUI version.

c. Tap on Build number / MIUI version 7 times

d. You'll notice a message telling you that you've enabled Developer mode

2. Open Developer options & enable /disable Wifi scan throttling

a. You will find Developer options under different locations in different phones
- on Xiaomi Redmi Note 11 it's under Additional settings
- on Huawei P20 Lite it's under System
- on Huawei P30 Lite it's under System & updates

If you don't find it, just search for the word developer in Settings

b. In Developer options look for a section called NETWORKING and under that check if you have the Wi-fi scan throttling option and enable or disable it if it's there

- on Xiaomi Redmi Note 11 it's there and I've enabled it to, as it's description says: "reduce battery drain & improve network performance"
- on Huawei P20 Lite & Huawei P30 Lite it's not there - check point 3 below

3. Enable / Disable Wifi scan throttling on phones that not have this option under Developer options

a. Go in Developer option and look for the DEBUGGING section

b. Enable USB debugging and confirm any warnings

c. Go to Source 2 website and download SDK Platform-Tools for your PC's operating system (Windows, Mac or Linux)

d. Extract the archive you downloaded at point c for example in drive D

e. Connect your phone to your PC with the phone's USB cable and on your phone select Transfer files

f. For Huawei phones you will be asked if you "Allow connection via HDB?" which allows you to use USB debugging without turning USB debugging on in Developer options - other phones might not have this. You can Cancel this since you enabled USB debugging from Developer options

g. Open Command prompt as Administrator on your PC and change directory to the folder you extracted at point letter d so you'll have for example D:\platform-tools at the prompt

h. Type the following command at the prompt

adb devices


Something like the following should be displayed:

List of devices attached
L5N3C10328118213        device


This means adb has recognized your phone and now you can send a command to enable / disable or check the status of Wifi scan throttling.

i. Source 3 offers the commands you can use, but here they are below:

Use this to check the current state of the Wifi scan throttling option on your phone - if it returns "null" it means the value is not set:

adb shell settings get global wifi_scan_throttle_enabled


Use this to enable Wifi scan throttling:

adb shell settings put global wifi_scan_throttle_enabled 1


or use this to disable it:

adb shell settings put global wifi_scan_throttle_enabled 0


You can test both options and how your wifi works on your phone and choose whether to keep it enabled or disable it.

Source 1:

Source 2:

Source 3:


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