The specific steps are as follows:
1, mobile phone desktop, find the settings and enter;
2. Find privacy in the settings after entering;
3. At this point, you can see the diagnosis and dosage, and click Enter;
4. Generally, the default setting of mobile phone is not to send, so we click Auto Send;
5, open again after a period of time, click on the diagnosis and dose data;
6, find the log-aggregated-latest date, this file and open it;
7. Turn this page to the bottom and find some com. Apple.snapshot.battery.maxcapacity, where 900 represents the current battery capacity;
8. By comparing the battery capacity of the iPhone6s found online, you can know the battery loss of the mobile phone.