iPhone 11 Pro Max is equipped with one of the longest-lasting smartphone batteries available. It is still not immune from issues with batteries. The swelling of the battery is among them. It happens when the lithium-ion cell swells due to heat or gases.
The battery’s health is declining and it’s unable to support normal peak performance capability. If you notice this message repeatedly, call an Apple Authorized Service Provider for assistance.
Battery health
The battery health feature is an iPhone feature that lets you track how your phone’s battery is performing over time. It can be found in the Settings > Battery section Performance & Battery Health. This feature provides you with details about your battery’s maximum capacity and peak performance. The feature will also display messages about battery that provide insights and tips for reducing your energy consumption.
Apple rate the iPhone 11 Pro Max battery at 80%. This is considered to be healthy. A few users report that their phones shut down or run out of battery quickly even when they’re making use of resource-intensive apps for long time. This could indicate that the battery is getting downhill and must be replaced.
If you’re experiencing this issue, you can get a new battery from an Apple Store or Apple Authorized Service Provider for a cheap price. Best Buy and third-party repair shops can also replace the battery of your iPhone. However, they could be charging a different fee. Certain companies offer a guarantee but others do not.

iPhone battery draining fast
The iPhone 11 Pro Max has a powerful battery, but it can still drain quickly if not properly used. There are several methods to increase the life of your battery, such as the use of a power bank or disabling functions that drain the battery. The display’s brightness can also affect the life of batteries, therefore it is crucial to keep it at a comfortable level.
It could be an indication of a malfunctioning battery or component. This problem may require professional repair. It is recommended to visit an Apple service center or Cashify to ensure that the device is repaired correctly.
Backup your data before replacing the battery, and be prepared for a lengthy repair. To open the phone to remove the old battery, you’ll require specialized tools. Put on safety glasses so that you are protected against tiny pieces of metal that could fly. Check the iPhone to see whether it has indications of a damaged or faulty battery. It is time to change the battery in the event that it is draining quickly.
iPhone unexpectedly shuts down
If you’re experiencing the iPhone intermittently shutting off, it may be time to buy a new battery. The issue could be due to many reasons, including overheating, misbehaving apps or an operating system bug that can trigger the phone to stop functioning. The issue can also occur when your phone was dropped into water, or if it was a short-circuit.
Go to Settings and select Battery to view the battery’s condition. There you will find the highest performance indicator and an important battery message’ that indicates capacity is less than 80%, as well as a link titled ‘More service options’.
Begin by removing the Lightning flex cable bracket. To loosen three 1.3mm screws, use the Y000 driver or a similar one and check it out for your reference https://dienthoainhanh.com/thay-pin-iphone-11-pro-max/. Then, gently push up to remove the Lightning flex from the logicboard. You can employ a professional if you don’t feel confident in completing this task. Utilizing the correct tools will ensure that you don’t damage other components during the process.
iPhone overheating problem
It could be that the battery in your iPhone is exhausted. The phone could overheat if the battery has worn out. Visit Settings > Battery and then choose the Battery Health and Charger option to determine the status of the battery.
A faulty charger can also cause your iPhone to overheat. Only use official Apple chargers, and don’t make use of third-party chargers. It is possible that you’re using apps that are processor-intensive like GPS navigation or gaming, or running multiple applications at the same time. By eliminating the apps that you don’t frequently use, you will reduce your CPU usage.
If your iPhone is still causing problems after having tried these methods It could be the time to change the battery. Contact iFixit to get help, or go to an Apple Store or authorized provider. Go to the Apple Support website for more information on battery replacement options and pricing. The site will also provide troubleshooting steps and warranty information.
Alert: iPhone battery is swelling
If you’re iPhone 11 Pro Max battery is swollen, it’s the right time to replace it. Lithium-ion batteries can expand due to a variety of reasons like overcharging or exposure to extreme heat. The growth of gases and expansion could result from unbalanced chemical reactions within the battery. This can cause a variety of issues, like abrupt shutdowns or a poor performance.
If the battery is overly inflated, you should turn off your device, and do not charge it. It can help reduce the chance of further damage and improve the chance of a successful fix. Make sure that the battery is kept away from burning materials and store it in a dry, cool area until you find a place to safely dispose of it.
It is possible to take out the battery which has become increased in size by first applying a few drops of alcohol on the edge. This can weaken the adhesive. Then, use a plastic pry tool to gradually pull the battery from the recess. Avoid puncturing or deforming the battery as this can result in fire or leakage.