Premium or World Wide service?

Hi there.

I've an iphone 5c Sprint with bad IMEI and would like to use it in the UK.

What service is best for me? Sprint Usa - Iphone 6/6+/5s/5c/5/4s/4/3gs/3g Premium or World Wide - Iphone 5s/5c (All Imei Support)?



thanks

via Welcome to gsm-tips http://forum.gsmhosting.com/vbb/f896/premium-world-wide-service-1897545/