New iPhone and iPad. How set up new Apple ID and iCloud account and then transfer info from old devices?

If you create/use a new Apple ID, you will lose access to some of your data and the purchases made with your existing Apple ID. You might want to explain what problems you are having with your current ID to see if someone can make suggestions that will fix your current ID problems.

Apple ID - create a new.      

Apple ID – Create        

Apple ID - Could Not Create or Could Not Set Up iCloud message.    

Data transfer

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Transfer content from an iPhone, iPad, or iPod touch to a new device.    

 Quick Start to transfer data from your previous iOS device to your new iPhone, iPad, or iPod touch. 

Set up your iPhone, iPad, or iPod touch - Apple Support

 Use iCloud to transfer data from your previous iOS device to your new iPhone, iPad, or iPod touch