MiFi 3.105 no port forward or DMZ

I have several MiFi’s, and several Spitz’. The MiFi’s will not DMZ or Port Forward, but the Spitz works perfectly. Same sim card (the account rides the card …)

Static IP
static apn from carrier (iot.tmowholesale.static)

I can’t find any other differences. Both started from scratch 3.105 upgrade and factory reset.

I didn’t keep any of the older fw’s but I know I had it working in previous versions.

Again, same sim card DMZ and Port Forward works perfectly in Spitz 3.105.

Looks like if I use dhcp on the client side and set a reservation for that client in Lan IP setting of Mifi, it works …

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