Rog Phone 5s Pro Slow Connection and No VOLTE

junwei2647junwei2647 Level 1
edited January 8 in ROG Phone 5

Based in Singapore, we are not able to make phone calls if we set to LTE only via *#*#4636#*#*. How do we activate voLTE on our phone? Brought from Asus @ Bugis. But when using 2G / 3G / 4G as network preferred type no issue with phone calls. But mobile data connectivity is not stable at 4G / 4G+ keep getting H / H+. Help please, 1 Week old only the phone. No root.


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