Since about December my Note 4 when set to global mode exclusively connects to 3G or 1x. Only way I can get it to connect to 4G LTE is put it in LTE / GSM / UMTS mode but then my reception gets spotty and many dead areas. If I put it in LTE / CDMA mode it stays on 3G similar to global. Anyone else have this problem and found a solution. I've cleared the cache and done a factory reset without any improvement.