How to install Gingerbread or FroYo on Sony Ericsson Xperia X10i/a

Are you getting "there is a problem parsing the package" message when trying to install an android application? Well, that's because it is not verified from Google Play and you're not downloading it from google play store but installing .apk from other source or directly copied on your handset.
In this case, you have to enable the following settings to install it without any problem.
Step 1- Go to device Settings(icon) menu
Step 2- Tap on Security
Step 3- Device administration
Step 4- Unknown sources - Check mark Unknown Sources
That's all. A small post but might be helpful for beginner Android developers.

Root LG Device with OneClick Root

1. Step 1: Connect LG phone to PC and enable USB Debugging on LG phone by following steps. Drag and drop down the notification window. ...
2. Step 2: Install LG Drivers on your computer. ...
3. Step 3: Download LG One Click Root. ...
4. Step 4: When connection is successful, click the "Start" key.

You have a tough one Orlanda, as I would normally point you to xda-developers.com to browse the forums for the necessary steps. Even Googling the device brings up little, other than some paid-program that states that it can root your device (oneclickroot.com). Good luck!

you have to enable your appication download under settings > applications > make sure unknown sources is check. that will let you download afterwards.