According to Apple (at least on the iPhone 5) the device will chose the faster connection. So, if your Wifi connection isn't as fast as your LTE, the device will show and use LTE instead of your Wifi (even though you are connected).
Having Wi-Fi on drains your battery if you're not using it, but if you're on a wireless network, it's much more power-efficient to use Wi-Fi than to use cellular data, so switch to Wi-Fi instead of 4G when you can to save your phone's battery life.
This feature automatically switches your phone to a cellular data connection when your Wi-Fi connection is poor. Your apps might also be updating over cellular data, which can burn through your allotment pretty quickly. Turn off automatic app updates under the iTunes and App Store settings.
As John said, the iPhone will switch to known WiFi networks automatically, HOWEVER, it will not use WiFi when on standby as WiFi is a continuous power drain. So if the phone is asleep and an app requires data it will use cellular data.
The same setting on Android phones can be found in the Connections area of the Settings app. Go to the WiFi settings, tap the three dots in the corner to find the advanced settings menu, and then turn off the toggle that says "Switch to mobile data."
A bad Wi-Fi connection can still cause your iPhone (or iPad) to use cellular data. Added in iOS 9, Wi-Fi Assist recognizes when you're connected to a Wi-Fi network, but have a poor or erratic signal. When this happens, Wi-Fi Assist kicks over automatically to cellular for foreground apps to keep data flowing.
It sounds like you're having trouble maintaining a wifi connection at home. You are able to connect but it switches to LTE connection after a while. Update your Wi-Fi router with the latest firmware and make sure the router supports your Apple product. For more information, contact the manufacturer of your router.
Apple iPhone - Turn Wi-Fi Assist On / Off
- From a Home screen, navigate: Settings. > Cellular. If unavailable, swipe left to access the App Library.
- Tap the Wi-Fi Assist switch (requires scrolling to the bottom) to turn on or off . Automatically use cellular data when Wi-Fi connectivity is poor.
However, despite its low price, it's not a good deal to buy the iPhone XR in 2020. Lastly, the iPhone XR is a year old and it will get a year less of software support from Apple. Hence, despite the lower prices, the iPhone XR is still not the best value iPhone by 2020 standards.
iPhone XR will be discontinued after iPhone 12s announcement next year.
Toggle the switch to enable Airplane Mode. Your phone's wireless radios including Wi-Fi will then get deactivated. Restart (soft reset) your iPhone XR while the Airplane Mode is On. Then head back to Settings->Airplane Mode menu, and then toggle the switch to disable the feature again.
Apple iPhone XR review: The best iPhone value in years. The good The less expensive iPhone XR delivers most iPhone X and XS features, including an excellent big screen in a comfortable body, fast performance, Face ID and wireless charging, and a camera that's mostly as good as the iPhone XS.
The single rear camera offers excellent performance and impressive portraits, but the newer iPhone 11 offers better low-light performance. Apple's A12 Bionic chip delivers fast performance that will satisfy most people. The iPhone XR offers nearly 11.5 hours of battery life, which is among the longest lasting phones.
The iPhone Xr does not need a screen protector. The only way to stop it is to get a screen protector, and we've got just the one. The Casper Tempered Glass from Mobilesentrix Canada for iPhone comes for all three 2018 iPhone models, and it covers the entire front of the phone to you don't get those annoying edges.
In fact it's slightly larger than the
iPhone XS display – 6.1inches compared to 5.8. One thing that might swing many in favour of
iPhone XR is the range of six vibrant new colours – coral, white, black, red, blue and yellow.
Apple.
| Name | iPhone XR | iPhone XS |
|---|
| Display | 6.1 inch all-screen LCD | 5.8 inches |
The iPhone 12 is now shipping, and you can buy it from Apple as well as a number of carriers. It starts at $829 for an unlocked device with 64GB of storage ($799 if you buy it on-contract from Verizon, AT&T or T-Mobile), and costs $879 for 128GB or $979 for 256GB.
Go to Settings/Cellular, scroll to the bottom, and turn off WiFi Assist. Note that the phone will only use WiFi over cellular data when the screen is on or the phone is connected to power. Go to Settings/Cellular and you can see what apps and services are using your cellular data.
If Switch to Mobile Data is enabled, your phone will automatically use it whenever the Wifi signal is weak, or it's connected, but there's no internet.
Solution: How to turn off cellular data access when on WiFi
- Go to Settings on your iPhone.
- Tap Cellular.
- Scroll down (way down) on that screen until you see the Wi-Fi Assist setting. Disable it.
10 Easy Fixes To Improve Weak Cell Phone Signal
- #1: Remove the objects that interfere with the cellular reception.
- #2: Avoid cell phone battery status from reaching critically low.
- #3: Identify the closest cell tower from wherever you are located.
- #4: Take advantage of the Wi-Fi Network.
- #5: Femtocells.
9 Ways to Boost WiFi Signal on iPhone and iPad [2020]
- Restart the Router and the iPhone.
- Ensure No or Minimal Blockage between Router and iPhone.
- Forget and Re-Join the Wi-Fi.
- Remove the Thick iPhone Case.
- Update Your iPhone.
- Reset All Settings.
- Use Custom DNS.
- Contact Your Internet Service Provider.
Reset Network SettingsDuring iOS updates, your network settings can get overridden by corrupt files. These can cause your iPhone connection to become very slow. You can address this problem by performing a reset on network settings. Then tap to confirm network settings Reset.
From your Android device, you can make following changes on settings to improve Android Wi-Fi performance:
- Tap on Menu from home screen of your Android smartphone or tablet.
- Now switch to Settings option.
- Go to Wireless and networks option.
- Now tap on Wi-Fi settings then go to Advanced option.
- Tap on Wi-Fi optimization.
When your iPhone is getting poor Wi-Fi reception or weak Wi-Fi signal, it's likely due to the distance between your device and the wireless router. Aside from distance, Wi-Fi barriers or interference as well as software-related factors or even hardware damage must also be ruled out.
As such, your home wireless network may lack the proper strength or range because of the same issues that impact other forms of radio technology: obstacles that cause reduction in signal strength, interference from other devices sending radio waves, weaker signals sent by older and less efficient wireless equipment,
11 Ways to Upgrade Your Wi-Fi and Make Your Internet Faster
- Move Your Router. That router in the closet?
- Use an Ethernet Cable. We sometimes forget: wires still exist!
- Change the Channel or Band. Wi-Fi signal is divided into channels.
- Upgrade Your Router. Photograph: Amazon.
- Get a Wi-Fi Extender.
- Use Your Electrical Wiring.
- Password Your Wi-Fi.
- Cut Off Unused Devices.
If your router is infected with malicious software, all your internet-connected devices become vulnerable, including your smartphone, computer, smart watch, television and Amazon Echo. A recent cyberthreat underscores the need to take network security more seriously.
