Rare Apple iPhone 5s 16GB Space Gray iOS 7.1 ME305LL/A A1533 Refurbished New Battery Space Gray 3 is the most recent

3 is the most recent version supported on iPod Touch 1st

If you still have questions after reading the description

The compatibility on this section doesn’t relate to the technology of the flash storage – only the dimensions of the drives themselves

128GB 256GB 512GB 1TB iPods are upgraded with SD card storage using Tarkan’s iFlash Solo

Rare Apple iPhone 5s 16GB Space Gray iOS 7.1 ME305LL/A A1533 Refurbished New Battery Space Gray 3 is the most recentPlease Note: iPhone 5s models sold via this listing are no longer able to be activated for use on a cellular network, as of December 31st 2023. iOS 7. 1. 2 is installed on this unit & will not be updated before shipment. Sale is for iPhone only. No peripherals, retail packaging, nor any other accessories are included with the purchase. Limited Warranty Information & FAQ Access Here