It seems that the LG Arena has succeeded in just about every spot on the globe, and now we reported AT&T have just added the newest portable device to its Mobile TV lineup. LG Cell Phone News
The LG Arena measures 105.9 x 55.3 x 11.95 and has a 3-inch WVGA display, a Schneider-Kreuznach 5 megapixel camera with autofocus capability, GPS navigation support, Wi-Fi connectivity, 8GB internal memory, a microSD card slot expandable up to 40GB and supports AT&T’s own 3G bands. It also has LG’s unique 3D S-Class user interface and provides a more finger-friendly and media-aware layout than at least some other devices in its class. LG-Arena info
LG Arena Phone Photos – LG Cell Phone Pictures

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

Hey folks, I just found a nifty little trick for multitasking on my LG Arena.
LG Arena tips for multitasking - How to keep the music player on with a Java application running:
LG Arena Phone Photos – LG Cell Phone Pictures