Not a high tech too. But if you wanna longer battery hours. You will need to choose iPhone Plus series. But Pro series have better camera features. But the 2-lens iPhone also possesses great camera features.
Consider 13 Pro Plus, 14 Plus and 14 Pro Plus if money is not the issue here
Probably, you could reset the IP camera, and reconnect to Gmail. Also, make sure you open all the notifications. If still doesn't work, I think it's time to conatct the support team. :D
I have had a VPN used for years, but the pricing is expensive I believe. The VPN name is Shadowsocks, not sure if you could use it or not. I pay $100/per year. :unsure:
If you can't find or turn on Personal Hotspot, check that your wireless carrier enabled it and that your wireless plan supports it.
Did your iPhone SE have hotspot before?
Resetting network settings on your iPhone erases all internet and network-related data stored on your device. This includes names of WiFi networks, passwords, Bluetooth devices you've previously paired with, cellular network preferences, and VPN settings.
A network settings reset is different...
This is Apple Support page, not sure if it helps. After you exclude the issue of your iPhone, it must be the reason of the carrier service.
https://support.apple.com/en-us/HT204027