How to boost Wi-Fi signal on your Android device


If you notice that your Wi-Fi is consuming a lot more battery than it usually does, or you always appear to be connected but the internet isn’t exactly lightning fast, then you might be suffering from a poor Wi-Fi connection. Wi-Fi problems can occur anywhere, from thickly walled buildings, to long-range connections or simply a bad Wi-Fi signal in the first place. Here’s our guide for how to boost Wi-Fi signal on your Android smartphone.

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Learn which Wi-Fi access point is the best

One way to do this is using the Wi-Fi analyzer app which houses three useful functions. Firstly it provides the best channel to use for your particular network. Without going into detail, it allows you to optimize the network and means you don’t have to be a technical whizz-kid to do so. 

Secondly, it assesses which network in the area has the most stable connection, which often isn’t the one which your phone connects to by default. Lastly, it offers easy access to network information such as your IP address, network gateway, DNS, etc. It’s not essential, but useful for power-users.  

androidpit wifi analyzer screenshot Wi-Fi analyzer can give you a quick view of what is the best wireless network nearby. / © AndroidPIT Wifi Analyzer Install on Google Play

Check if your phone case is blocking signal

Many phone cases actually make your Wi-Fi signal worse, especially if they contain metal, which is often used for added protection or kick stands. To see if your case is affecting your Wi-Fi signal, do an Ookla speed test with the case off, then, in the same location, put the case back on and perform the test again. If you see a difference when using your case you may want to look at alternatives.

AndroidPIT Ookla SpeedTest Results If you notice a decrease in Wi-Fi speed from no case (left) to with case (right) then you need to reconsider your case. / © AndroidPIT/Ookla Speedtest by Ookla Install on Google Play

Put your router in the perfect spot

Another simple trick that can greatly improve the Wi-Fi connection at home is the optimization of the router’s location. Often it is placed right next to the phone or cable outlet, but this is rarely the best for your connection. If you can move it, take a look at the Wi-Fi FDTD solver app that allows you to see at a glance how your router signal is doing. 

suportebanggood0 By analyzing the signal waves you can find the best place to position your router. / © Android PIT WiFi Solver FDTD Install on Google Play

MacGyver a DIY radio dish

Have all the above failed? It’s time for the old-school option. If you’re in real need of a better Wi-Fi signal then you can actually make your own little parabolic dish to ”catch” some better reception. This is basically a small version of a big radio or satellite dish. You can use a metal bowl or cut open a soda can to make a receiver dish. It may not be the most practical thing to do every time you have a weak signal, but it is fun.

Change your Wi-Fi frequency band to 5 GHz 

Most Android devices can run on the 5 GHz frequency band, as well as the old 2.4 GHz band. What does this mean? On the higher frequencies, like 5 GHz, there’s much more free space on the spectrum. There are 23 channels of 20 MHz each on the 5 GHz frequency, which is much more than the 14 channels offered on 2.4 GHz. Because the channels don’t overlap, you’re likely to get better signal on your Wi-Fi.

For devices on Android 6.0 Marshmallow or older

If your router works on the 5 GHz band (most recent routers do), then switch your phone over to that band too by going to Settings > Wi-Fi > Advanced > Wi-Fi frequency band then tap Auto. This will ensure that your phone runs on the 5 GHz band when possible.

androidpit wifi frequency band Make sure your phone uses the 5 GHz band when possible by setting the frequency band to ‘Auto’. / © AndroidPIT

For devices running Android 7.0 Nougat or newer

Never Android versions don’t allow you to switch Wi-Fi bands in the settings, but if you feel you still need this option, there’s a handy open source Wi-Fi Analyzer app that will enable you to switch Wi-Fi bands easily.

WiFiAnalyzer (open-source) Install on Google Play

Update your radio or firmware

If you’re receiving OTA updates from your carrier or manufacturer then this probably doesn’t apply to you, but if you are running custom ROMs you may find yourself occasionally needing to manually update the radio on your Android. As an example, here’s how to update the bootloader and radio on the Nexus 5. You should also make sure you’re on the latest version of Android to ensure the best performance. To check this, go to Settings > About > Software updates.

Fastboot ADB Tools Files If you’re not on the OTA trail, you may need to update your radio manually./ © AndroidPIT

Tell your phone to avoid poor connections (Android 6.0 Marshmallow or older)

In the Android Settings menu there is a nice little option that tells your phone to avoid poor Wi-Fi connections, meaning that while it is scanning for available networks it will actually avoid trying to connect to those with poor signals. This will save you a lot in terms of power and frustration. Just go to Settings > Wi-Fi and tap the overflow menu button and then Advanced. Here you will see the check box to avoid poor connections.

AndroidPIT WiFi Avoid Poor Connections Avoiding poor Wi-Fi connections is a great idea! / © AndroidPIT

Are we missing any tricks? What do you do to boost Wi-Fi signal?

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