For a “hot” (i.e., risky but doable) .bin update via USB loader:
:
: A small system file that, when loaded via a computer, tells the modem's processor to enter a special "Download Mode" or "3G PC UI Interface" for firmware modification. e5573s320 usbloaderbin hot
The term refers to an advanced, risky, low-level recovery procedure for the Huawei E5573s-320 modem. It is not for casual users. If your device is working normally, do not attempt this . If your device is bricked and you have experience with JTAG, serial bootloaders, or modem flashing, this method may be a last resort. For a “hot” (i
: Opening the device or shorting pins will permanently void your manufacturer's warranty. For a “hot” (i.e.