For some time now, your battery has been causing you problems. You notice that its autonomy or its load capacity is no longer the same as at the start. Unfortunately, it happens to almost everyone, the battery is the wear part par excellence on a mobile phone. However, rest assured, it is quite possible to replace it. We are going to find out today how to change the battery of your HTC Desire 21 pro . First of all, we will see how to know if it is necessary to replace the battery of your HTC Desire 21 pro. Then we will find out how to replace the battery on an HTC Desire 21 pro.

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How do you know if you need to replace the battery of your HTC Desire 21 pro?

Whatever you do, the battery of a mobile phone is doomed to lose capacity with time. The autonomy of the latter will gradually decrease and it will therefore be necessary charge your Android phone more regularly . This is of course the first sign that will alert you that it will soon be time to replace the battery of your HTC Desire 21 pro. However, other battery problems on your HTC Desire 21 pro can warn you about a potential failure of the latter: the battery drains quickly, the charge no longer reaches 100%, your device turns off before having reached 0% battery, it heats up for no reason... In these cases, it is then important to check the health of your battery . If you want to check the battery status of your HTC Desire 21 pro, read our article.

To know the battery level of your HTC Desire 21 pro , several methods are available to you and will depend on the version of your Android:

  • On some Android versions, information on your battery wear is limited to usage statistics. The data collected is therefore an estimate. Go to " Settings »Then click on« Battery ". Your HTC Desire 21 pro then tells you how worn it is.

  • Enter the code * # * # * # * # 4636 directly in the phone application. A diagnostic on the state of health of your battery should then appear. In the 4th line the "Battery" data is displayed. If the value 100 is written next to it, it means that it is in good shape. On the other hand, as soon as this number decreases, it indicates that she is starting to tire.

  • Use apps to monitor the battery health of your HTC Desire 21 pro. The app Accu Battery gives you all the necessary information on the use of your battery and at the same time allows you to protect wear and tear on your battery .

Of course, the state of your battery is only an indicator allowing you to distinguish potential malfunctions of your mobile phone. You do not have to replace the battery of your HTC Desire 21 pro directly. As long as your battery life and capacity suit you, you don't have to. That said, if you ever decide it's time to take action, find out below all our recommendations for replacing it in the next section.

How do I replace the battery on an HTC Desire 21 pro?

Is it possible to replace the battery of an HTC Desire 21 pro?

In any case, it is possible to replace the battery of your HTC Desire 21 pro. That said, depending on its version, we recommend different solutions. Because be careful, if you ever want to do it without the help of a professional, you should know that dismantling your mobile phone is not something trivial. To replace the battery of your HTC Desire 21 pro, some technical manipulations are necessary and can present risks for the telephone in the event of improper handling. You will also need to be aware that this cancels the manufacturer's warranty .

In the event that your battery is removable , handling is very simple. You can therefore do it yourself without worry. In this context, you must very easily buy the same battery that is on your device. You can finally replace the old one by installing the new one in exactly the same location.

When it comes to a non-removable battery , the best way to replace the battery of your HTC Desire 21 pro is to contact the manufacturer, your retailer if he ever offers this service, or a specialist. In practice, this approach requires a certain expertise . If you still want to do it on your own, we suggest you watch video tutorials explaining the procedure to follow by typing on Google: “Tutorial to change the battery of my HTC Desire 21 pro” and follow the directions carefully. To find out now if you ever feel able to do so, here is the procedure to follow in broad outline:

  • Turn off your HTC Desire 21 pro and remove the SIM card
  • Heat the back shell with a hair dryer to soften the glue that holds the back cover of the mobile phone.
  • Once hot, stick a suction cup at the bottom of the back cover of the phone. Then, take off and remove the hull being careful using a spatula.
  • Once the screen is removed, you will need to remove screws using a thin Phillips screwdriver.
  • Remove the screen of your HTC Desire 21 pro by heating its contour and gently removing it using the suction cup and the spatula. Small warning, this step is very delicate because you risk breaking your screen.
  • Finally, on most versions of your Android, you must disconnect the cable from your battery . This is located next to the photo sensor. Then remove the old battery and replace it with the new one.
  • For the reassembly , do all these steps in reverse order.

Finding the right battery for your HTC Desire 21 pro

To buy a new battery, you can find it in online or physical stores. To avoid ending up with a battery that is not suitable for your mobile phone, be careful when ordering or purchasing to clearly note the model number of your HTC Desire 21 pro in order to identify the correct battery reference .

Also be careful of buy official battery from the brand of your HTC Desire 21 pro and not end up with a Chinese counterfeit battery. They are less expensive but also less reliable and do not meet safety standards. In addition, if you ever encounter a problem, the brand will not be able to do anything for you.

How much does it cost to replace the battery?

  • To replace the battery of your HTC Desire 21 pro without the help of a professional, you will simply have to pay the price of the new battery and possibly a repair kit. It can vary between 10 and 40 € depending on the version of your Android.

  • To replace the battery of your HTC Desire 21 pro at a professional repairer, you will have to pay on average between 40 and 80 € depending on the version of your Android.

In the event that you want as many tutorials as possible to become the absolute master of the HTC Desire 21 pro, we invite you to browse the other tutorials in the category: HTC Desire 21 pro.