87% of Apple's mobile phone battery health means that the maximum capacity of the battery is 87% of its full capacity. Generally speaking, the battery health of Apple mobile phone can be used normally when it is above 80%, but if the battery health is below 80%, it may lead to problems such as shortened battery life and decreased endurance, so it is necessary to consider replacing the battery. Therefore, if the battery health of your Apple mobile phone is 87%, it can still be used normally, but it is recommended that you pay attention to the use of the battery to avoid excessive discharge and overcharge, so as to prolong the battery life.
In order to maintain the battery life, some measures can be taken, such as avoiding excessive discharge, avoiding long-term charging and keeping the mobile phone at a suitable temperature. In addition, if there is a battery failure or the battery performance drops too fast, it is recommended to replace the battery in time or contact Apple for after-sales maintenance.