Never disconnect the modem during the flashing process, as this can "brick" the device, making it unusable.
While firmware updates generally don't affect the SIM card, ensure any SMS or contacts stored on the modem's internal memory are backed up. huawei e1750 proshivku skachat
If you are using this modem with a 3G/4G router, such as those from ASUS , ensure the router's firmware is also up to date to support the modem's updated software. Huawei E1750 - Download Huawei Firmware Update Files Free Never disconnect the modem during the flashing process,
Before attempting a firmware update, confirm your device matches these standard hardware specs: as this can "brick" the device