Scroll down the component category menu and select . Click Next . In the manufacturer column on the left, click Microsoft .
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Type the following command exactly and press Enter: AT+U2DIAG=119 (Note: For some firmware versions of the K5188 chipset, AT+SETRNDIS=1 or AT^U2DIAG=0 is used). driver modem xidol k5188 fixed
Xidol K5188 is a 4G LTE USB modem and WiFi dongle that supports download speeds of up to 500 Mbps and typically functions as a "Plug and Play" device. Most issues where the modem fails to connect or isn't recognized are related to SIM card detection power supply driver conflicts in newer Windows updates. Fixing Connectivity and Recognition Issues Xidol K5188
Ensure the SIM card is a standard size and inserted correctly with the chip facing down. The SIM must have an active data plan and no PIN lock. Power Source: Scroll down the component category menu and select
For persistent issues, installing the driver from the device's is the most reliable method.
If the virtual CD-ROM doesn't appear or the installer fails, use the manual method: This public link is valid for 7 days
Modern Windows security blocks unsigned or outdated drivers bundled inside older 4G dongles.
If your modem is not being recognized or "fixed" refers to a connection issue, follow these standard setup and troubleshooting steps:
Browse to the virtual CD-ROM drive letter created by the modem, select the driver file (.inf), and click install. 3. Disable Driver Signature Enforcement