Hello. Agree that tp-link tech care is not very care. If your sim connection randomly disappear. Take SIM card out and stick thin tape to the backside of sim. Then reconnect it again. Now the SIM...

I have a same issue. vpn ipsec passtrough not work. If you use latest firmware 0.9.1 1.2 v004a.0 Build 180502 Rel.53881n ipsec passtrough not work at all. If you use some earlier beta version. Ipsec...