Unless the people you know are still using the iPhone 1 from 2007, I doubt the battery is worn out enough to warrant changing it. Google and Apple stop supporting their phones 5 years after release, which you should be looking into an upgrade anyway.
Unless the people you know are still using the iPhone 1 from 2007, I doubt the battery is worn out enough to warrant changing it. Google and Apple stop supporting their phones 5 years after release, which you should be looking into an upgrade anyway.