Hi, the unlock of your modem is quite a little bit complicated when you are not good at tinkering. You can rearch on the forum to look for a topic talking about that, or join me on whatsapp for father more details : +1(361) 209-0420.
Here is what you should have before diving to the topic:
- A solder.
- A soldering machine.
- A working USB cable.
- And a screwdriver.