Sim not recognized

[JoelSch]

I just got my Nighthawk mr1100, I’m trying to use a Verizon sim from another hot spot but it says sim not installed. I re-installed it couple times turned the machine on and off even tried to reset but it doesn’t help. 

[JohnPeng]

Please check whether the PINs of SIM connector are not deformed. You can carefully raise them if they got flattened during to previous uses.

Thanks

[schumaku]

What is the exact product SKU designation, from the box or from the product label under the battery?  

[JohnPeng]

SKU name can be found on the product label under the battery, suhc as MR1100-1xxxx or a 4-digit number for AT&T M1.