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iPhone Charging On and Off (Causes and How to Fix It)

As an iPhone owner, I know all too well the frustration of my phone randomly turning off and on while it is charging. After doing some research and testing, I am here to share what I have learned about this problem and the solutions that I have tried.

In this blog post, I will be discussing the causes of iPhone charging turning on and off and how to fix it. Whether you are experiencing this issue for the first time or have tried to fix it yourself before, I hope this article will help you get your phone back up and running in no time!

Causes of iPhone Charging On and OffHow to Fix
1. Using a Bad ChargerUse an authentic Apple charger or a reputable third-party charger (e.g., Anker, Belkin)
2. Damaged Charger CableReplace the USB-C to Lightning cable with a new one from Apple or a trusted third-party brand
3. Clogged Charging PortBlow hard into the charging port, remove visible particles with iPhone’s SIM slot pin, or take the phone to the Apple Store for cleaning

Why Is Your iPhone Charging On and Off?

Here are some of the most common causes of an iPhone charging on and off, with ways to fix each of the problems on this list:

1. Using a Bad Charger

Let’s face it; Apple products and their accessories are quite pricey. This is why many people are tempted to buy third-party chargers instead of authentic iPhone ones when their original charger gets lost or damaged.

This is true now more than ever since iPhones no longer come with chargers out of the box. Sure, third-party chargers are less expensive and come with nifty features such as multiple ports and extra-long cables. However, they also don’t last as long as original iPhone chargers.

When third-party chargers start to break down, they can lead to your iPhone charging on and off and cause significant damage to your phone’s battery

How to Fix it

Your best course of action is to stop using third-party chargers and shell out the extra money for an authentic Apple one. 

It may seem like you’re spending more unnecessarily, but you’ll end up saving yourself the hassle of fixing your phone’s battery when it inevitably breaks down.

If you’re unable to do so for any reason, you should at least buy a third-party charger from a reputable brand such as Anker or Belkin.

2. Charger Cable is Damaged

Another possible reason for your iPhone being unable to charge consistently is the charger cable you’re using being damaged.

This can happen for a number of reasons. The most common one is simply wear and tear from prolonged use

Your cable may also have been damaged while being stuffed in your pocket alongside a sharp object such as a key.

If the cable’s insulating plastic layer has been torn and the wires underneath are showing, it’s only a matter of time before these wires get frayed. As a result, the connection between your charger and your iPhone won’t be consistent

In turn, your iPhone will enter the endless annoying cycle of charging and then not charging.

How to Fix it

If your charger cable is damaged, you won’t have to replace the entire charger. All you’ll need to do is buy a new USB-C to Lightning cable

It’s best if you buy it from Apple, but you can also find high-quality cables that won’t give you any issues from third-party brands.

Read more: iPhone stops charging after a few minutes

3. Clogged Charging Port

Your charging woes may also be related to your iPhone’s charging port as opposed to the charger you’re using. It’s the opening on the bottom of your iPhone in which you plug in the charger.

With time, your iPhone’s charging port may get clogged up with dirt and lint. As a result of this, your charger may not be securely connected to your iPhone when you plug it in. This can cause your iPhone to charge on and off.

A tell-tale sign that this is the cause of your charging issues is the lack of that familiar click you hear when you plug in your charger, no matter how hard you push it in.

If this is the case, don’t try to force it in since this can push the dirt and lint obstructing your charger’s connection deeper into the port and worsen the problem.

How to Fix it

Since washing your iPhone’s charging point with soap and water isn’t an option, the best thing you can do is to blow hard into your phone’s charging port.

If the particles clogging up your charging port aren’t deeply stuck in there, they’ll most likely come loose and fall out if you give your phone a thorough shake.

If that doesn’t work, you can try to remove any visible particles from your charging port with your iPhone’s SIM slot pin. However, you should be careful not to scratch the inside of the port with the pin and damage it. Check out this tutorial on how to clean iPhone ports

If all else fails, the only thing left for you to do is to take your phone to the Apple Store and have them clean your iPhone’s charging port.

Read more: iPhone vibrates when charging


Having your iPhone charging on and off can be incredibly annoying and inconvenient. The reasons why it happens are related to the charger you’re using, the charger’s cable, and your iPhone’s charging port.

Most of the time, if you replace your charger or its cable, your charging problems will go away. And if the charging port has some dirt inside of it, simply try blowing into it or removing visible dirt using the SIM slot pin.