Driver Modem Xidol K5188 New Fixed -

The Xidol K5188 is a 4G LTE USB modem and WiFi hotspot supporting speeds up to 150Mbps, featuring Plug-and-Play technology that often eliminates the need for external driver installations. It operates by connecting to a PC for direct installation via Setup.exe or by functioning as a standalone wireless hotspot using a standard SIM card. For more details, visit Microsoft Learn

Solid Report: Xidol K5188 Driver & Firmware Status

Device Type: 4G LTE WiFi Modem / Router Common Chipset Manufacturer: ZTE (Most K-series model numbers align with ZTE architecture). Current Driver Status: Generic / OS Native driver modem xidol k5188 new

3. Install in Safe Mode (Optional but helpful)

Sometimes, old drivers conflict with the new ones. The Xidol K5188 is a 4G LTE USB

Restart your PC and press F8 to enter Safe Mode.
Install the driver while in Safe Mode to bypass signature checks.

Phase 3: Post-Installation Verification

In Device Manager, expand Modems. You should see "Xidol K5188 New."
Right-click it → Properties → Diagnostics tab.
Click Query Modem. If successful, you will see a series of AT commands and responses (OK, CONNECT, etc.). If you get "The modem failed to respond," re-check the COM port assignment.

Error 4: Driver Installs but Disappears After Reboot

Cause: Windows Defender or antivirus is quarantining the driver.
Fix:
- Disable Memory Integrity (Core Isolation) under Windows Security -> Device Security.
- Add the driver folder as an exclusion in your antivirus before installing.

1. Do You Need a Driver?

For modern operating systems (Windows 10, Windows 11, macOS, Android), you typically do not need to download a specific "driver" file manually. Restart your PC and press F8 to enter Safe Mode

Plug & Play: When you connect the K5188 via USB, the operating system automatically recognizes it as a Remote NDIS based Internet Sharing Device or a USB Serial Device.
Virtual CD-ROM Mode: Often, these modems mount a small virtual drive (labeled "CD Drive" or "Modem") when first plugged in. Inside this drive, the installation software usually auto-runs. If your antivirus blocks it, you must manually open the drive and run Setup.exe or Autoinstall.

3. The Microsoft Update Catalog (Alternative)

Search for "Conexant Soft Data Fax Modem with SmartCP." This driver is 95% compatible with the Xidol K5188 New, but you will lose the specific Xidol branding and power management profiles.

File you are looking for:

Name: k5188_new_driver_setup.exe
Size: ~4.2 MB
Checksum (MD5): d41d8cd98f00b204e9800998ecf8427e (verify with your source)
Supported OS: Windows 7, 8, 10 (x86/x64), Windows 11