What's new in 6.46.3 (2020-Jan-28 10):
*) hotspot - fixed redirect to log in page (introduced in v6.45);
*) lora - added "ru-864-mid" channel plan;
*) lora - improved immediate packet delivery;
*) lte - added GPS port support for Quectel EP06 modem;
*) lte - added "psc" (Primary Scrambling Code) parameter for "cell-monitor" function on R11e-LTE6 and R11e-LTE;
*) lte - do not show invalid "phy-cellid" when it is not yet received on "R11e-LTE";
*) lte - do not show unrelated info parameters after network mode failover;
*) port - fixed multiple identical USB serial device detection (introduced in v6.46);
*) ppp - fixed connection establishment when receiving "0.0.0.0" DNS;
*) snmp - fixed "ifOperStatus" reporting for combo ports;
*) winbox - removed duplicate "counter", "chain", "size" and "payload" parameters under "LoRa/Traffic";