If the SYS light doesn't start to blink after 10 seconds: Keep holding the reset button pressed Turn off the modem / unplug it While still holding the reset button, start / plug in the router After about 20 seconds, the Power or SYS light will start blinking rapidly Release the reset...
OK! Decrypting etc_writable/ModemManager/libmm-plugin-samsung.so (30b4883d09f4b418764b8d7c)... OK! Decrypting etc_writable/ModemManager/libmm-plugin-sierra.so (ecdcb588f92a1d1f060a907c)... OK! Decrypting etc_writable/ModemManager/libmm-plugin-simtech.so (b4c19714c0c0809f3ce08e7c)......