The iPhone has always been ahead of Android in terms of fluency thanks to the unique optimization of the iOS system. It brings a large number of loyal fans to Apple. However, the battery life of the iPhone has always been a shortcoming. Especially after upgrading the new system, some old models require three charging a day. So, when do Apple users need to replace iPhone battery?
As early as the official version of the iOS11.3 system, Apple added a brand new battery health function. This makes convenient for users to judge the battery life of the iPhone and whether to replace iPhone battery. So what is the maximum capacity and peak performance capacity in the battery health function? The maximum capacity is easy to understand, in fact, it is the current consumption of the battery. If it is 100%, it means that the battery has no loss; if it is 98%, it means that the battery has 2% loss.
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The peak performance capacity is the key to determining whether the phone is down-converted. Generally, when the maximum capacity is 70-100%, condition of the battery is sufficient to support normal peak performance. If the maximum battery capacity is below 70%, you can consider to replace iPhone battery.

Is there any precaution before replacing iPhone battery?
So how to improve the battery life during daily use? First of all, try not to wait for the phone’s power to drop below 20% before charging. Its a bad habit for users to drain battery completely until it shuts down. Secondly, try to use the original charger for charging, which is not only efficient but also safer. Finally, stay away from high temperature, humidity, and magnetic environments. Electronic devices under these circumstances will consume more power. Besides, these factors easily damage the mobile phone motherboard and shorten the life of the mobile phone.
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The above information is shared by Fixsome Phone Repair Service KL Malaysia. Fixsome provide instant phone repair services within whole Klang Valley, Kuala Lumpur area with up to 1-year warranty.