2. The first method is visual method. Let's see if the cell phone battery is corroded or spotted. If so, there is something wrong with your mobile phone. The suggestion is not to use it for a long time, or even not to use it. Also, if your mobile phone is swollen, you must not use it any more, and it may explode at any time. Everyone should pay attention to personal safety:
3. The second method is that we can dial * # * # 4636 # * *, and be careful that it must be * # * # 4636 # * * Oh, because once I enter all the information, I will jump directly to the back interface, so I didn't enter the last * for your demonstration, so you have to add it yourself:
4. After entering *#*#4636#*#*, the phone will automatically jump to this interface, just click on the battery information. Of course, you can also click Other to see other information first, and then the battery information:
When you enter here, you can see the battery of your mobile phone, so you can get the initial health status of your mobile phone.