After booting the device, "=>" sign is showing in Juniper SRX 100 router please support. We are trying hard to restore the OS, but still failed, kindly support us urgently.
Please review this article, hopefully it will help you:
=> setenv ipaddr 10.157.70.170 => setenv netmask 255.255.255.0 => setenv gatewayip 10.157.64.1 => setenv serverip 10.157.60.1 => saveenv
Reboot into the loader:
(Of course, use network settings relevant to your environment, and an image filename that you posses.)