How to Replace an iPhone Battery

How to Replace an iPhone Battery

iPhones’ lithium-ion batteries are known for their durability, but they do wear down and die after 1-2 years of usage. Sometimes this happens quicker. There are several signs that your iPhone battery is bad, your should replace it:

  • It loses charge faster than it used to.
  • Or loses charge immediately after charging.
  • It doesn’t charge at all after being plugged in.
  • Your phone restarts on its own.
  • It overheats, leaks, swells, has corrosion or water damage.

You can also go to Settings > Battery > Battery Health on your iPhone to check the capacity of your battery. If the battery is degraded, and you have at least one of the signs mentioned above, you should consider replacing it. You can use charging cases before you replace the battery, if it loses charge too fast.

For your iPhone battery replacement consider choosing one of these options:

  • Doing it yourself.
  • Approach the manufacturer or Apple authorized service centers.
  • Getting it done at a local store.

The safest options are approaching a professional or sending it to Apple.


DIY battery replacement

You also can replace the battery on your iPhone by yourself. Before you get started, make sure that you got the replacement battery from a reliable supplier. You’ll also need to buy a battery replacement kit to open and close the case of your phone, and remove the battery. After you prepare the tools and the replacement battery, follow these steps:

  • Remove the screws on the case and open it up.
  • You will need a heat gun to warm the glue that holds the battery.
  • Move aside the cables and take out the old battery.
  • Replace it with the new one and put the cables back.
  • Then place the case back.

Find a detailed video tutorial from YouTube for your iPhone model, watch it first, then try doing step by step. You should be very careful, especially if it’s your first time dismantling an iPhone. YouTube tutorials don’t guarantee your successful battery replacement, and any small mistake can lead to further requirement of repairs.

People often choose DIY, because they think that it’s the cheapest option. But there are many cases when people damage their iPhones trying to repair or replace phone batteries or screens themselves. DIY can also affect the integrity of the waterproof capabilities that Apple added starting with the iPhone 7 models. This is why it’s recommended to take your iPhone to a repair shop or send it to Apple service center.


Pros and Cons of sending it to Apple.

If your iPhone warranty is expired, Apple charges you $69 for newer models – iPhone X, XS, XS Max, XR, 11 Pro, 11 Pro Max, and 11 battery replacement, for an iPhone SE, 6, 6 Plus, 6s, 6s Plus, 7, 7 Plus, 8, 8 Plus, and all other models, the out-of-warranty price is $49.

Third-party repair shops have similar pricing for the same service.


If an iPhone is still under warranty or covered by AppleCare+, iPhone owners can get the battery replaced for free.


If there are no Apple Stores or authorized repair centers in your area, you will have to ship your iPhone to Apple. The process will take longer – 1-2 weeks or even more, because most of the time it takes a while for the delivery service to pick up and deliver your iPhone. Apple sends you a box to ship your iPhone to them, then you’ll have to wait when Apple completes the replacement, and ships the phone back to you.


Local repair shop is the best option.

  • They will replace the battery on your iPhone at the same price, as Apple Store, but faster. You can approach the nearest repair shop in your area. Professionals perform the battery replacement in a short time from 30 minutes to 1-1.5 hours, if the shop is busy.
  • You can be assured of a quality of service, as technicians working in repair shops understand the phone components and parts very well. Professional phone repair shops have a lot of experience in handling any phone model.
  • They have all the necessary tools required for the battery replacement as well as for any other repair works.
  • You won’t waste your time on searching for a genuine reliable battery, watching tutorials on how to replace the battery yourself. Also getting the required tools for a one-time use might turn out to be expensive.

At Smart Phone NYC, we are upfront with our phone repair pricing: see our pricing.


A dead iPhone battery can be a pretty frustrating thing you face, especially if your phone dies when you need it the most: having an important call, or writing an urgent email from your smartphone. As soon as you notice your battery is bad or draining fast, get it replaced right away at the nearest phone repair shop or Apple repair center.