Do not use generic driver updaters. You need the official package, often named E5372s-Update_21.200.03.00.00.exe or the universal NDIS_Driver_Win10.zip . Look for the driver set.
Q: What is the warranty period for the Driver Bolt E5372s? A: The warranty period for the E5372s varies depending on the manufacturer and region. Please consult the user manual or contact the manufacturer for specific information. Driver Bolt E5372s
Using the installed COM port, connect with a terminal tool (Putty, RealTerm) and send: AT^SYSCFGEX="03",3FFFFFFF,1,2,7FFFFFFFFFFFFFFF, This forces the device to use only 4G LTE, avoiding slow 3G fallback. Do not use generic driver updaters
We tested the Driver Bolt in a suburban area with medium network congestion. Q: What is the warranty period for the Driver Bolt E5372s
: If the built-in installer fails, you can search for "Huawei HiLink Drivers" or "Huawei Mobile Connect Drivers," which are compatible with almost all E5-series hotspots. Device Configuration