Please tell me how to stop the iPhone from slowing down

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In the case of old iPhones, I heard that Apple forces them to slow down the iPhone.

Please tell me how to prevent this.

192 3 8 years ago

pu1. I just don't have to update to the latest iOS

2017-12-21

pu2. I heard it's like that when the battery is used for a long time and the usage decreases. It's not easy to change it because it's an internal battery, but it means it'll work well if you change the battery.

2017-12-21

pu3. Thank you!

2017-12-21

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