Can I upgrade ios8.2 to iPad 2/3/4? Upgrade ios8.2 card for iPad 2/3/4 or not?

Can I upgrade ios8.2 to iPad 2/3/4?

The ios8.2 system supports the upgrade of ios8.2 for ipad 2 for iPad 3 for iPad miniiPad 4. The details are as follows:

IPad 4

IPad 4 (generation model A1458) WIFI (iPad3, 4)
IPad 4 (generation model A1459) GSM (iPad3, 5)
IPad 4 (generation model A1560) CDMA + GSM (iPad3, 6)
IPad mini
IPad mini (model A1432) WIFI (iPad2, 5)
IPad mini (model A1454) GSM (iPad2, 6)
IPad mini (model A1455) CDMA + GSM (iPad2, 7)
 
IPad 3

IPad WiFi (A1416 3rd generation) WIFI (iPad3, 1)
IPad 3 WiFi + cellular (A1403 model for ATT) CDMA + GSM (iPad3, 2)
IPad 3 WiFi + cellular (A1430 model for Verizon) GSM (iPad3, 3)
 
IPad 2

IPad 2 WiFi-A1395 (iPad2, 1)
IPad 2 WiFi + 3G (GSM) A1396 (iPad2, 2)
IPad 2 WiFi + 3G (CDMA + GSM) A1397 (iPad2, 3)
IPad 2 WiFi (Rev A) (iPad2, 4)

Check whether your ipad model is in this support. If so, you can definitely upgrade the ios8.2 system.

Upgrade ios8.2 card for iPad 2/3/4 or not?

The problem of card disconnection has not been tested one by one, but the ipad4 test has not found any problems, so there is no difference between the card problem and iosd8.1, the official website only said that ios8.2 has increased the function of choosing temperature, weight, height, distance, and blood sugar units. In addition, iOS8.2 improves the stability of the functions of mail, map Flyover, music, VoiceOver, and Made for iPhone hearing aids. Many bugs have been fixed in iOS8.2, including the GMT Bug.