Can't sign in to iCloud account after reverting from iOS 8.3 to 8.2
I was having the problem on iOS 8.3 of getting the GPS data stream from an external GPS receiver via Bluetooth; so I reverted to iOS 8.2 and can get the Location data stream as before into various apps. This is my main use for the iPod Touch 5g. Now, I cannot log into my iCloud account on the iPod, apparently (I'm guessing) because it's not running the latest version of iOS. I can log into my iCloud account easily on my iMac. I have an iPad also logged in. So, the account is okay. But whenever I go into Settings>iCloud and enter the account's AppleId and Password, verification fails. It seems I can have the iCloud connection (8.3) or a GPS Bluetooth data stream (8.2), but not both.
Is there any fix?
iPod touch, iOS 8.2, reverted to iOS 8.2 from iOS 8.3