You can easily manipulate and set TTL to whatever is needed with a Mikrotik router. Override TTL for all devices behind it. /ip firewall mangle add chain=postr

You can easily manipulate and set TTL to whatever is needed with a Mikrotik router. Override TTL for all devices behind it. /ip firewall mangle add chain=postrouting out-interface=lte1 action=change-ttl new-ttl=set:64 passthrough=yes comment="Set TTL for Mobile Hotspot"