Updating first generation iphone

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better overall performance", while "apps and key technologies have been made more efficient to trim battery usage".That sounds like good news if, like us, your old devices struggle to run i OS 8 smoothly and suffered battery fatigue.Right: Picking a previous route in Maps on an i Phone 4s is now almost impossible.More significantly for old hardware users is Apple's claims that "the apps in i OS 9 now take advantage of Metal, making more efficient use of the CPU and GPU to deliver…

We should stress that both devices on test have been in constant use since their launches three and four years ago, so both devices have suffered battery fatigue.

Neither device receives the Apple Maps update to route via public transport.

While the i Pad mini has the option to suggest installed apps (part of Siri's new 'Proactive' update), we actually saw no change - there was no Siri Proactive screen to the left of our main home screen, nor any app suggestions in the app switcher. Only the i Phone 4s receives the new Low Power Mode, though - as we discovered (see below) - this mode doesn't downclock the processor as with more modern i Phones.

Apple has made its latest i OS 9 mobile operating system available for both the i Phone 4s and the original i Pad mini.

These are two of the oldest devices to be supported by i OS 9.

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