You don't, its part of the backing of the device. Apple can replace it though.
The iphone 4 does have a removable battery, but it is difficult to take out and not a typical cell phone battery that you can just pop in and out. It is possible to remove the battery from an iphone 4, but not an easy process. It requires you to pretty much disassemble the whole phone.
No, the iPhone 5c battery is not the same as the iPhone 4 battery. The iPhone 5c uses a different battery model with a higher capacity compared to the iPhone 4. Additionally, the physical dimensions and connectors of the batteries are also different, making them incompatible with each other.
1432 mah battery
To get the serial for your iPhone you can remove the battery and you will be able to see it.
3 hours
you meen iphone 4? if so yes 2x bigger! but iphone 3GS i don't know, hope that helps!:)
No, the iPhone 5 battery is not the same as the iPhone 6 battery. While both devices use lithium-ion batteries, they have different sizes and capacities. The iPhone 5 battery has a capacity of 1,440 mAh, whereas the iPhone 6 battery has a larger capacity of 1,810 mAh. Therefore, they are not interchangeable.
The Apple iPhone 6 Plus has a better battery life than the Apple iPhone 6.
battery produces heat touch screen does not require pressure
a battery
It depends on the specific iPhone model. Search a video site like "YouTube" with search terms of "iPhone battery replacement" to see step by step instructions. This is a very difficult job best left to professionals. It requires specialized tools and soldering.
Depends how you use it. Normal use required daily charge.