Having an issue with Wi-Fi performance on your iPhone 12 Pro? Here are some solutions to try.
A Wi-Fi connection is an essential function of any iPhone—but sometimes a poor signal interferes with surfing the web, using apps, or streaming. In these instances, you should look at ways to improve the Wi-Fi performance on your iPhone.
Let’s look at fixes that can help you when your iPhone 12 Pro Wi-Fi isn’t working properly.
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1. Restart Your Router
This is an often-overlooked step, but sometimes restarting the router is all it takes to fix Wi-Fi problems on your iPhone 12 Pro—especially if other devices are having trouble. Restarting your router brings it back to a fresh state, clearing any temporary problems.
To restart your router, simply locate its physical power button and toggle it off and back on. Alternately, you can disconnect the power plug. Wait for a minute or so before switching it back on.
2. Experiment With Router Placement
The average Wi-Fi signal has a range of about 150 feet indoors. A longer distance between your iPhone and the router results in a weaker signal, so consider moving your router closer to where you use your phone the most.
Wi-Fi signals can also get blocked by barricades, such as walls and floors. Try positioning the router in a place that’s within eyesight, clear from barriers. Having your router up higher helps avoid interference from furniture and similar.
To check the strength of your connection on an iPhone, look at the cone-shaped stripes at the top-left corner, which indicates Wi-Fi strength. Three bars mean the signal is strong, two bars are moderate, and one bar means it’s weak.
If you live around a lot of people, network congestion could also be an issue. Follow our guide to changing the channel on your router to pick something that’s less congested.
3. Remove or Change Your iPhone Case
Most of the materials used in the production of phone cases don’t block or interfere with Wi-Fi signals. However, some can—these are usually metal cases. Metal disrupts the transmission from the antenna, which is located somewhere near the top of your iPhone 12 Pro.
If your phone case is metal-plated, swap it out for a silicone, plastic, or leather one instead. You should also avoid using metal rings or PopSockets that stick to the back of the phone.
4. Cut Down on Network-Heavy Activity
Downloads, streaming, and certain apps can hog your available bandwidth. You should check what’s using your bandwidth to pinpoint any clear culprits. If this doesn’t turn anything up, you’re going to have to run each app or function individually, one at a time, to see which ones are affecting the Wi-Fi.
Thankfully, there are also a few ways to cut down the amount of bandwidth your iPhone uses. First, you can check which apps tend to gobble up the most bandwidth by viewing their data usage on your iPhone. Depending on when you last reset the statistics, however, this might not be very accurate.
To check data usage on your iPhone:
Go to Settings > Mobile Data.
Scroll through the list of apps in the current period and view their data usage right below the names.
Next, you can turn off automatic app updates to reduce bandwidth usage in the background:
Go to Settings > App Store.
Turn off App Updates.
iPhone Settings – Auto Downloads Turned Off
With this disabled, you’ll need to manually update apps instead:
Open the App Store app.
Select Apps at the bottom.
Tap your avatar at the top-right.
Choose Update next to each app under Available Updates.
VPNs require additional bandwidth, so it might be worth turning that off at home if you use one.
Since streaming can put a lot of strain on your network, opt for downloading media (at non-peak times) over streaming wherever possible, especially media that you repeatedly consumed, such as music. This will require a bit of storage space, but reduces strain on your network in the long run.
5. Keep iOS Updated
A device with out-of-date software could impair your Wi-Fi connection. iOS updates fix bugs and improve the overall operability of an iPhone, including network performance.
To update iOS:
Go to Settings > General.
Select Software Update.
If there’s an update pending, choose to install it.
Remember to back up your iPhone before updating to avoid losing any essential data.
6. Forget and Re-Add the Wi-Fi Network
Forgetting a network removes its password and all other network information from your iPhone. This can help clear up issues with connecting to specific networks. Keep in mind that you’ll need the password to reconnect after forgetting a network.
To forget a network on iOS:
Go to Settings > Wi-Fi.
Tap the i icon next to the network you want to forget,
Hit Forget This Network.
Wi-Fi network settings on iPhone
For best results, try restarting your phone before rejoining the network.
7. Change DNS Options
Domain Name System, or DNS, is a protocol that translates website IP addresses into something readable, which is easier for humans to work with. DNS configuration runs in the background when your iPhone is connected to the internet. The default option depends on your service provider, but you can change it to something else like Google or Cloudflare.
Changing the DNS can help improve website loading times, circumvent some tracking from your ISP, and potentially increase your safety online.
To change the DNS server on your iPhone:
Open Settings and select Wi-Fi.
Tap the encircled i next to your network.
Scroll down and tap Configure DNS.
Change to Manual, then tap Add Server.
Type in the DNS server address(es) you wish to use. To revert back to the default DNS settings, follow the above step to return to this menu. Then, instead of Manual, select Automatic and hit Save to confirm.
8. Reset All Network Settings
If all of the above failed, try resetting the network settings on your iPhone. This will clear all saved Wi-Fi networks; you may also need to set up VPNs and cellular options again.
To reset network settings on iOS:
Open Settings and select General.
Scroll down to Reset.
Choose Reset Network Settings.
Reset Network Settings confirmation popup on iPhone
This will ask for your iPhone passcode to confirm, then reboot the device.
Improved Wi-Fi speed on iPhone 12 Pro
There are several factors that can affect the performance of Wi-Fi on your iPhone 12 Pro. Thankfully, most of them are easy to fix.
If the tips above don’t work, you probably have a bigger problem with your phone or Wi-Fi network at large.
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