This is a guide on how to connect you LG Voyager to your MAC with bluetooth and you can send files from the LG Voyager to the Mac and from the Mac to the LG Voyager.
Enable Bluetooth on your LG Voyager, Power on Bluetooth, make it discoverable.
On the Mac, Click the Bluetooth icon on the Menu bar, Then select Setup a Bluetooth Device from the dropdown menu. LG Phone Problem and Solution

Follow the steps to Pairing the Device. Once connected, you can then choose from Mac’s Bluetooth Drop down menu Select Browse Device. LG-Voyager info

Then Select the device "LG VX10000" and select "Browse"

Okey, this is an instruction on how to flash LG KM900 Arena with uptestex tool.
Make sure you have already installed the pc suit III and updated to the latest version.
If you not yet install the PC suit III, you can find it at here. Follow the steps to install the PC suit II, then restart you pc.. LG Phone Problem and Solution
Caution: Follow these instructions at your own risk. I will not be responsible for any damages, injury or death resulting from use of these instructions. However, if you complete all the steps as given, you won’t encounter any problems.
The UptestEX tool tutorial: LG-Arena info
1.) donwload the UpTestEX_1.0.4.6 and the windows enabler at the first post..
* here the new UpTestEX_1.0.4.8 ( 14,11,09 ) by marwin
* UpTestEX_1.0.4.8 the one i use! in mediafire
* windows_enabler 184kb << in mediafire
* here the new 17.12.2009- UpTestEX_1.0.5.6 Original by marwin
2.) make a folder ( name you want ) ( save where you want ) and then extract both UptestEX and Windows Enabler on that one folder folder.. you will combine the two when you extract.. so like this
3. copy also the firmware you want to flash on that folder..
4. install the windows enabler, then you well see the icon on the lower right beside the time and click once the icon to activate..
here’s a picture show not active and click once to active like this
5. connect the phone to the usb and via pc suit..
6. open the UptestEX.exe.. here a picture
Once the R&D test tool is open you can see that all the field is GRAYED But you can click on the field even if still GRAYED
here a picture

Below is the instruction on how to unlock LG KS360 Neon which I found on GSM forum. This works without uploading anything to the phone. Just follow the instructions carefully.
Caution: Though it woks on my KS360 Neon, but still i am not liable for damaged if you attempt this! And mess it up even though I have not found any reason why it would not work! LG Phone Problem and Solution
What you need before unlocking LG KS360 Neon: