While all of this is great, it’s clear that Wi-Fi tends to drain a lot of battery. That’s why a lot of smartphone manufacturers try to optimize this function and make it less of battery life cycle killer. It’s certain that the Wi-Fi function is far from perfect on most terminals, as a lot of users report that their Android Wi-Fi is turning off randomly and reverts back to mobile data. This is known to happen when the phone is idle or when a certain action has been performed. Because the issue has multiple potential causes, we have compiled a master-guide of methods that will most likely solve your problem. But first, let’s take a look at the most common causes that will make your Wi-Fi to turn OFF and ON constantly: Before we get to technical, let’s eliminate the possibility of a faulty router. Try staying connected to a different Wi-Fi network or swap the current router with another. If the issue doesn’t repeat, you need a new router. A Wi-Fi setting that prevents Wi-FI from staying on in idle mode. A glitch with Google Home Launcher. Location services interfering with Wi-Fi. A custom ROM. Aggressive power saving mode that turns off Wi-FI. Faulty Wi-Fi router. Connection optimizer that constantly looks for the best connection. Malware attack. VPN interference. Now that we know the causes, let’s see to the solutions. Make sure you follow each guide in order until you find a solution that works for your device.
Method 1: Keeping Wi-Fi On During Sleep
This is perhaps the number one culprit for turning off Wi-Fi. A lot of phones have a feature that is meant to save battery by disabling any Wi-Fi connection when your phone is in idle mode. Depending on your manufacturer, you can find it under Wi-Fi Timer, Wi-Fi Sleep or a similar name. Here’s how to turn it off:
Method 2: Turn OFF Connection Optimizer
Connection Optimizer is a Samsung feature but can be found under different names on most devices. It’s meant to improve user experience by automatically switching between Wi-Fi and data, according to the better connection. But, a lot of times this will make your phone mindlessly switch back and forth between Wi-Fi and mobile data. Now, keep in mind that the exact path will differ across different manufacturers, but the location is roughly the same. Here’s how to turn Connection Optimizer off:
Method 3: Turning Battery Saving Mode Off
Some devices are much more aggressive than others when trying to save battery. HTC and Huawei are known for not allowing excessive power drainers eating away at their battery. Some power saving modes will automatically switch the Wi-Fi off when it’s not in use. If you constantly keep your phone on battery saving mode just for the sake of an extra hour or two, you might want to reconsider it. Let’s disable power saving mode and see if the issue will resolve itself:
Method 4: Disabling High Accuracy Location
As you know, your phone is capable of working with multiple modes when using GPS. If your GPS is set to high accuracy, it will also use Wi-Fi to triangulate your position and improve location accuracy. For some reason, this will facilitate a conflict and might cause your Wi-Fi to reboot. Here’s how to make sure location services are not using your Wi-Fi:
Method 5: Clearing Data of Settings
On Android, the Settings app holds all kinds of data from paired Bluetooth devices to changes made when adding a new Wi-Fi connection. Some users have reported that clearing the data of the Settings app made their issue disappear. Let’s try it:
Method 6: Eliminating the App conflict
If nothing helped in keeping your Wi-Fi alive, this might very well be an app conflict. This usually happens on phones sold by carriers that impose certain apps and give them elevated privileges. A known WI-FI killer is Textra – it forces users to download MMS solely from mobile data. This will make your phone auto switch to mobile data and back to Wi-Fi every time you receive a MMS. A known WI-FI killer is Textra – it forces users to download MMS solely from mobile data. This will make your phone auto switch to mobile data and back to Wi-Fi every time you receive a MMS. Another potential culprit is your antivirus or malware scanner. The mobile version of Mc Afee is known to identify false treats on A Wi-Fi network and force-stop the WI-Fi connection. Bitmoji is another app that has been reported by users as a Wi-Fi killer. Based on what the users reported, we managed to identify three potential conflicts, chances are there are more. If you only had this issue appear recently, try uninstalling apps that made their way into your phone when the issue first started appearing.
Method 7: Updating or Uninstalling Google Home Launcher
It seems like Google Home Launcher is causing the WI-Fi Connection to drop unexpectedly on various Android phones running on the stock version. You can easily check to see if that’s the case by updating or uninstalling Google Home completely.
Method 8: Restricting Bloatware’s Permissions
Android is pretty strict on which apps get permissions, particularly older versions. From what we gathered, the only apps that are allowed to cause major glitches on the latest Android versions are bloat wares with elevated permissions. I’m talking about the Verison app, the T-Mobile app or any other app that is fully supported by the carrier. The problem is you can’t uninstall them without having root access. The good news is, you can leave them without the right permissions to cause any damage. But keep in mind that this is only possible on Android 6.0 and above. Here’s how:
Method 9: Making sure your VPN isn’t interfering
IPSEC, the basis for many VPNs and NAT are known to have some issues on Android. If you’re using a VPN client while this issue appears, try disabling it. Some routers have trouble dealing with your gateway and will end up breaking your WI-FI connections. Another way to check for this is to connect to the VPN client with a 3G or 4G connection. If the connection is stable on mobile data and unstable on WI-FI, there’s certainly a conflict between the VPN client you’re using and the router.
Method 10: Doing a factory reset
If your Wi-Fi is still turning off by itself, there are still a few things you can try. If the issue is related to a glitch or virus, chances are you’ll be able to get back the normal functionality of your Wi-Fi after the factory reset. Here’s what to do: Note: Keep in mind that a factory reset will delete any of your personal data that isn’t on your SD card, so it’s recommended to create a backup before doing this. Hopefully, your Wi-Fi is back on track. If not, you should seriously consider reflashing your device or take it to a professional for a closer inspection. Especially if you’re rooted running a custom ROM. If you don’t know how to reflash, it’s best to take it to a professional.
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