Just bought an unlocked LG G5 (H860) Dual SIM phone off Amazon. Got both SIMs (work and home) activated through AT&T.
When SIM1 is set to mobile data, I can only send/receive calls/text on SIM1; SIM2 shows "no service". If SIM2 is set to mobile, I can only send/receive calls/text on SIM2; SIM1...