I'm copy paste this tutorial from forum.xda-developers.com :The Motorola Milestone X owners may also want to keep their device up-to-date. So we thought of giving you a tutorial of how to upgrade Motorola Milestone X to Android 2.3.3 GingerBread. With new version of android operating system on your device, you will have more benefit. Your device will have more feature, more secure, more fast performance, and more cool he...3x. But prior to telling you how to install Android 2.3.3 GingerBread on Motorola Milestone X, let’s see what do you want in order to be able to perform the installation. You will have to download 2.3.3 GingerBread Motorola Milestone X port. You will also have to root your Motorola Milestone X to prepare it for Android 2.3.3 GingerBread upgrade. Discover how to root Motorola Milestone X and install Android 2.3.3 GingerBread from here. Here are the download links of the files you want to update Motorola Milestone X to Android 2.3.3 GingerBread. Just before beginning to upgrade your Motorola Milestone X to Android 2.3.3 GingerBread don’t forget to backup your information, as contacts, text messages and the apps installed from Android Marketplace Location who maybe lost when the installation finishes. Now let’s see how to update Motorola Milestone X to Android 2.3.3 GingerBread :
1. Install the ROM Manager on your Motorola Milestone X. Get it from Android Marketplace Location, then install the clockwork mod recovery.
2. Connect your Motorola Milestone X to your PC employing the USB information cable. Copy the “Motorola Milestone X_2.3.3 GingerBread.zip” file you downloaded to the SD memory card.
3. Restart your device in the recovery mode using ROM Manager. As soon as in Recovery Mode, go to ROM Manager and select backup / restore to back-up your information.
4. From the Recovery Menu do a total data erase (including Delvik Cache). When completed, go back to Recovery Principal Menu and choose Flash ROM from SD Card. Navigate the location you copied the ”Motorola Milestone X_2.3.3 GingerBread.zip” file and follow the directions for installing Android 2.3.3 GingerBread on your Motorola Milestone X. As soon as the installation is over, just reboot your Motorola Milestone X device, and here you go, you’ve just upgraded it to the new Android 2.3.3 GingerBread.
Note: Here Is Link To Download the ROM =
The ROM File size is 128 MB, so I split the file into 3 parts :
ROM Part 1 : http://adf.ly/ZIWPr
ROM Part 2 : http://adf.ly/ZIWVr
ROM Part 3 : http://adf.ly/ZIWfI
To combine 3 parts files above into 1 file just use WINRAR, then extract the files into ZIP format.
If any problem with the ROM, maybe because the ROM have corrupted during the download process, you can try to re-download the ROM.
Thank you for visiting Upgrade/Update Motorola Milestone X to Android 2.3.3 GingerBread
Tutorial Video : Easy Way To Download at downloadsafe.org/sharecash.org =