4g

[EvilPotato]

Is there anyway to set 4g only ? Looking forward a solution even from a 3rd party, really appreciated. 

[itsb]

No.. it's Available only if you use JIO sim

[sudya143]

use force LTE app from playstore

[Mavericks]

some of the phone support u may try ...*#*#4636#*#*

[ramadhanedwar]

how to Force 4G LTE ONLY on Samsung device. Using FORCE 4G LTE ONLY 202O APK.

DOWNLOAD it at Galaxy store :

http://apps.samsung.com/appquery/appDetail.as?appId=com.teknokia.force4glteonly

Or at google play store : 

https://play.google.com/store/apps/details?id=com.teknokia.force4glteonly

Make sure using SIM 1 as mobile data connection default.