Download For MB230-4G

ISP File

An ISP file upgrade can update ISP information into the latest verison to improve it's current compatibility.

To Upgrade

IMPORTANT: To prevent upgrade failures, please read the following before proceeding with the upgrade process

• Please upgrade ISP file from the local Mercusys official website of the purchase location for your Mercusys device, otherwise it will be against the warranty. Please click here to change site if necessary.
• Please verify the hardware version of your device for the firmware version. Wrong ISP file upgrade may damage your device and void the warranty. （Normally V1.x=V1）
  How to find the hardware version on a Mercusys device
• Do NOT turn off the power during the upgrade process, as it may cause permanent damage to the product.
• To avoid wireless disconnect issue during ISP file upgrade process, it's recommended to upload ISP file with wired connection unless there is no LAN/Ethernet port on your Mercusys device.
• It's recommended that users stop all Internet applications on the computer, or simply disconnect Internet line from the device before the upgrade.
• Use decompression software such as WinZIP or WinRAR to extract the file you download before the upgrade.