Wireless Joint

Thank you for the reply. I will take out the battery.
I have Netgear Nighthawk M1 and connect to N150, is this Netgear N150 the "secondary router" you are talking about?
Change TTL and HL to below?
#start TTL rules
iptables -t mangle -I POSTROUTING -j TTL --ttl-set 64
iptables -t mangle -I ...

I use Netgear M1 Nighthawk by deleting Verizon and replacing it with Visible.
I then connect it to my Netgear WN100 router through ethernet cable and all devices connect through WN100. The speed is upto 5Mb download and upload.
So far the problems I encountered are: (1) sim got no service from ...