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Phone Overheating on Wireless Charger – Why and Top 10 Solutions

Phone Overheating on Wireless Charger – Why and Top 10 Solutions

Issue Time:2021-01-16
Many things could cause your phone heating up during wireless charging. And there are top workable solutions to fix this overheating issue. We've covered all in this post.
What's Overheating on Wireless Charger? Overheating VS Warm

What's phone overheating during charging? Overheating VS warm, what's the difference?

Generally, a phone's internal temperature can reach 37-43 degrees Celsius (98.6-109.4 degrees Fahrenheit), and this is considered normal.

You can install a temperature detection app on your phone. It should give you a temperature report so you will know if your phone is getting too hot, which can be consider to be overheating.

The most direct physical way is that if the phone is getting too hot to touch or if the temperature is physically uncomfortable, it's overheating.

Most phones can sense the temperature and will stop charging automatically to prevent further heating to avoid damage. That's why you may notice your iPhone stops charging at 80%.

Some phone even shut down automatically to avoid damage and more overheating.

A high quality wireless charger from a top brand can prevent overheating. It has built-in smart system to control heating up. But many in the market won't. So it's very important to choose a good wireless charger.

Is the Heat Bad for Your Phone?

Heat won't destroy your phone in only one time. It does not affect your phone's lifespan or performance.

However, if overheating happens a lot, that will reduces the phone battery wear and tear; and if the phone is too hot, that will cause damage to the phone software and firmware.

Phones That Have Been Reported with Overheating Issues

Many phones have been reported with overheating issues on Qi wireless chargers, including iPhones, Samsung, LG, etc. See below.

iPhone XS MaxiPhone XSiPhone XRiPhone X
iPhone 8 PlusiPhone 8Samsung Galaxy S10 PlusSamsung Galaxy S10
Samsung Galaxy S9Samsung Galaxy S9 PlusSamsung Galaxy S8 PlusSamsung Galaxy S8
Samsung Galaxy S7Samsung Galaxy S6 EdgeSamsung Galaxy S6 ActiveSamsung Galaxy S6
Samsung Galaxy Note 9Samsung Galaxy Note 8Samsung Galaxy Note 5LG Vu 3
LG Vu 2LG V35LG V30LG G7 ThinQ
LG G6 PlusNokia 9 PureViewMotorola Moto X ForceGoogle Pixel 3 XL
Google Pixel 3Blackberry Evolve XSony Xperia XZ3Sony Xperia XZ2

Why Your Phone Gets Hot During Charging on a Qi Wireless Charger

Many inappropriate operations will cause your iPhone or Android smartphone heating up during wireless charging, and the wireless charger gets hot.

Below are the most common reasons for your phone overheating on a Qi wireless charger.

Reasons Why Your Phone and the Wireless Charger Get Hot

Not lining up correctly. The key for wireless charging is the coils in the charger and the phone. If the coil in your phone does not align with the one in the wireless charger, more magnetic energy will be consumed and more heat is produced.

Foreign materials. The ideal status for a phone to be wirelessly charged is to just place the phone on the center of the charger, no objects between the phone and the charger, especially metal objects, magnets and magnetic strip cards. Such objects will reduce efficiency and cause overheating during wireless charging.

Wrong wall adapters or cables. For wireless charging, you should use the original adapters and cables from the charger or from your phone. If you use the wrong or damaged one, it would heat up your phone. For example, a damaged USB cable will cause the lower part of the phone overheats.

Using the phone a lot during charging. Gaming for long periods of time, watching YouTube or movies, using power-consuming app such as Google Map, or doing video calls during wireless charging will make the phone hot and even cause overheating that will shut down the phone.

Environmental factors. If you charge your phone on a wireless charger in a hot place, such as outside in the sun or in your car in a hot day, it can cause the phone getting hot easily.

App or software issues. If an app has conflicts or bugs, it may cause your phone to overheat by overusing the phone's processor. Software does the same.

Diagnose the Problem by Yourself

Many parts of the phone can get hot when it's charged wirelessly on a wireless charger, including the battery, processor or screen. You can diagnose the overheating problem with this tips.

The back of the phone gets hot - if the back of the phone is getting hot while charged on the Qi wireless charger, the problem may lie in the overheating battery. Stop charging immediately and turn off the phone.

The bottom of the phone gets hot - if the bottom of the phone gets hot during charging, the wireless charger is likely the one to be blamed. Use a high quality wireless charger or try the methods below to fix it.

The screen, or parts above the battery ( or by the speaker) get hot - if you notice the screen of the phone is getting too hot, or parts above the battery or by the speaker are hot, an inner problem of the phone is likely the cause. Try the solutions below to fix it.

Top 10 Solutions to Fix Phone Overheating on Wireless Charger

Many methods can fix phone getting too hot during wireless charging. Try to find out the cause and you will figure out the solution. You can also try the top 10 solutions below.

1. Make sure you are using a high quality wireless charger.
When it comes to wireless charging, always choose a high quality wireless charger from brands with reputation.
We've seen many people had reported overheating caused by unknown wireless chargers that would almost burn the phone.
A high quality wireless charger won't be pricey nowadays. Choose the top leaders in wireless charging industry. Below are the top ones.
2. Place the phone onto the exact center of the wireless charger.
To align the coils of the phone and the wireless charger, you need to place the phone onto the exact center of the wireless charger.
Nowadays manufacturers haven't found out the solutions to tell you whether the coils are 100% aligned or not. The only thing they can do is to add an LED indicator that shows the charging status.
I'm sure they will find out one solution soon.
3. Use the original adapter and cable.
Many wireless chargers come with a wall adapter and a USB cable. Use them for the wireless charger. If you buy the one does not come with an adapter or a cable, buy the one that the manufacturer recommends. You can also use your phone's original cable.
4. Remove foreign materials between the phone and the wireless charger.
Remove any metal objects, magnets, magnetic stripe cards, RFID card, credit card, Door lock or other foreign objects between the phone back and the wireless charger.
If there is a case on the phone, it's best to take it off.
Some high quality wireless chargers support charging via cases. If you prefer this way, select the ones listed in Solution 1. They are all case-friendly.
5. Restart your phone.
A restart will help shut down all inner bugs and conflicts of the phone. You can also turn off the phone and leave it on the wireless charger to be charged. After it's full, turn on the phone. This will 100% prevent overheating.
6. Update apps.
Update the apps on your phone to the latest version. Remember do not run too many apps at the same time during wireless charging
7. Keep software updated.
Always keep the iOS or Android version updated. This also help solve many inner conflicts that may cause other problems, such as slow charging.
8. Turn off vibration mode.
If your phone gets too much notifications, it will shift position, which will cause aligning and lining up problem. In some cases the phone even stops charging. Turn off vibration mode when charging your phone on a Qi wireless charger.
9. Take the phone and the charger to another place.
If the phone gets too warm and stops charging, try to move both the phone and the wireless charger to another place and cool them down. After the temperature goes down, the phone will start charging again.
Never move your phone in the fridge or freezer. Exposing the phone to extreme temperatures or moisture will cause irreparable damage.
10. Turn off fast charging mode.
Wireless fast charging means more current and voltage. Your phone may feel hotter to the touch in the wireless fast charging mode. Turn off the mode.
Turning off the fast wireless charging mode will leave your phone charged in the 5W standard mode.
If you have any idea to share, please hit the comments section below and spill'em.