Better option is LTE/ UMTS auto (PRL) . This refers that whenever your surrounding area has strength of 4G signal then it will run in LTE mode . If your area is surrounded by signals of 3G strength then it will run only in 3G mode. Thats all. Hope it helps!21 Şub 2017
Read moreWhat does GSM WCDMA LTE PRL mean?
WCDMA only – The GSM phone is capable of using only 3G data communication. When the 3G signal is too low you get nothing at all. GSM auto (PRL) – The GSM phone is capable of using both 2G and 3G data communication and when signal strength is low 2G is favored more .
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