Maybe this is not a random reboot as it may look like.
I have 2 iPhones Xs ios 13.1.1 and an iPad IOS 3.1, Netgear R7000 router and the Tomato 2019.2 and the latest beta .220. When a user comes home and connects to the wifi the router is partially killed and needs a power cycle. Strange situation but described on many forums. All LAN to LAN or WAN to LAN operations are good but only wifi, dhcp, vpn and router's GUI are down. When I disable wifi on the iPhone after this crash nothing comes...
FreshTomato freezes - recent builds
I have 2 iPhones Xs ios 13.1.1 and an iPad IOS 3.1, Netgear R7000 router and the Tomato 2019.2 and the latest beta .220. When a user comes home and connects to the wifi the router is partially killed and needs a power cycle. Strange situation but described on many forums. All LAN to LAN or WAN to LAN operations are good but only wifi, dhcp, vpn and router's GUI are down. When I disable wifi on the iPhone after this crash nothing comes...
FreshTomato freezes - recent builds