new battery life after it has been installed in the I Phone
Why does the battery only work for a year???
Is this a good question?
The Apple iPhone 5s was announced on September 10, 2013. Repair of this device is similar to the previous models, and requires screwdrivers and prying tools. Available as GSM or CDMA / 16, 32, or 64 GB / Silver, Gold, and Space Gray.
Battery life is not a set standard. It's life will vary greatly depending on how you use the device, how you charge it and the quality of the battery to begin with.
I would recommend you use a battery utility, such as coconutBattery (for Mac) or 3uTools (for Windows). It will tell you what the health of the battery is. Anything less than 70% of design capacity will require replacement.
As for the battery itself, there are a lot of low quality batteries on the market. iFixit sells high quality batteries
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