1-1. You will need a blank MicroSD Card which has a capacity of more than 64MByte.
(You cannot use the 8G Micro SD card which came with the NX501E. If you do, it will void your warranty and you will need to purchase a replacement card.)
1-2. Please download the "NX501E_OS.zip" file from download page and save to your computer.
Download "NX501E_OS.zip" file (About 11.6MByte)
1-3. After the download is completed, you will need to unzip the "NX501E_OS.zip" file using WinZip (http://www.winzip.com/downwz.htm).
Please extract following files, then copy all files to the Blank microSD Card.
Files:chain.bin, chain.lst, logoup.bmp, NK.bin, sysupdat.ini, TINYNK.bin
Note: Before you start the updater procedure, please disconnect any USB Device which is currently connected.
During the software update, Do Not Turn the Power Off on the unit.
2-1. Please press the Volume knob until NX501E shuts down.
2-2. With the NX501E powered off, please take out the Navigation microSD Card which is currently in the MicroSD Card Slot.
Note:The Navigation Map data is contained in the microSD Card. Please be careful and do not lose or misplace this micro SD Card.
Then insert the MicroSD Card which has six files into the MicroSD Card Slot.
2-3. With the MicroSD Card which contains six files inserted into the NX501E, please push the Volume knob.
2-4. NX501E will start OS software update automatically.
Please do not unplug, disconnect or power Off the NX501E until the update has been completed. This portion of the update will take about two minutes to complete.
2-5. When the software update is completed, NX501E shut it down automatically and start with Radio mode.Please press the Volume knob until NX501E shuts down.
2-6. With the NX501E powered off, please take out the MicroSD Card which contains the "SW_Update" file.
2-7. Please re-insert the Navigation MicroSD Card which was taken out in Step 2-2.
2-8. Please restart NX501E by pushing the Volume knob.
3-1. With the NX501E powered on, please touch the MENU Button which is located at the top left corner of the NX501E.
3-2. Please touch the "Setting" button (Touch panel button at the bottom of the right side of the screen)
3-3. Please scroll to the end of General item.
3-4. Please touch the "Version" button (Touch panel button)
3-5. Please confirm to see the following version.