Below are custom firmwares for very specific applications and not for general use.

Stock Firmware AirGradient ONE Model 8PSLYour browser doesn't support this. Please use Chrome or Edge on Mac or PC.You are not allowed to use this on HTTP!	ESP8266 Display Firmware (e.g. for ISB)Your browser doesn't support this. Please use Chrome or Edge on Mac or PC.You are not allowed to use this on HTTP!
CL-2G OAYour browser doesn't support this. Please use Chrome or Edge on Mac or PC.You are not allowed to use this on HTTP!	CL-4G OAYour browser doesn't support this. Please use Chrome or Edge on Mac or PC.You are not allowed to use this on HTTP!
CL-2G ONEYour browser doesn't support this. Please use Chrome or Edge on Mac or PC.You are not allowed to use this on HTTP!	CL-4G ONEYour browser doesn't support this. Please use Chrome or Edge on Mac or PC.You are not allowed to use this on HTTP!
CO2 LTE-MYour browser doesn't support this. Please use Chrome or Edge on Mac or PC.You are not allowed to use this on HTTP!	CO2 NB-IOTYour browser doesn't support this. Please use Chrome or Edge on Mac or PC.You are not allowed to use this on HTTP!
PPS 4.2.6Your browser doesn't support this. Please use Chrome or Edge on Mac or PC.You are not allowed to use this on HTTP!	O-1S-CE LTE-M (1.1.2)Your browser doesn't support this. Please use Chrome or Edge on Mac or PC.You are not allowed to use this on HTTP!
O-1S-CE LTE-Cat-1 (2.0.2, A7672G)Your browser doesn't support this. Please use Chrome or Edge on Mac or PC.You are not allowed to use this on HTTP!