The iPad mini 4 can be updated up to iOS 15.8! You can also select if you want to use this device for Wi-Fi only or with a SIM card as well.
Apple iPad Mini 4 16GB 32GB 64GB 128GB Gray Silver Gold WiFi or Cellular - Good
Apple iPad Mini 4 Wi-Fi 7.9in Tablet 16/32/64/128gb *Choose Color* *Grade B*
Apple iPad Mini 4 4Th Gen Wi-Fi Wifi 16GB Tablet 1-Year Warranty B-
Apple iPad mini 4 A1538 128 GB, Wi-Fi + 4G, 7.9 in - Space Gray
Apple iPad Mini 4 128GB WiFi 7.9" Space Gray MK9N2LL/A iOS 15
Apple iPad Mini 4 32 GB Tablet Space Grey WiFi Only A1538 MNY12LL/A iOS 10.2.1
