Not saying that this is THE guide for everything, but it should sum it all up nicely.
First off, let me start by saying that if you don't think you need rooting, don't root.
It can be dangerous if done wrong, so be sure you know what you're doing.
With that out of the way, let's get going then.
The latest version is 2.1.1.A.0.6, and the latest baseband is M76XX-TSNCJOLYM-53404015.
You can check your version by going to Settings -> About Phone.
If you are already running a custom ROM, you should update using PC Companion too, because some roms (like MiniCM) need the latest official version.
First, download SuperOneClick (available at the top of the thread) and place it on your desktop.
Next, on your phone, go to Settings -> Applications and enable Unknown Sources. Next, go to Settings -> Applications -> Development and enable USB debugging.
You also need the proper USB drivers. To check if you have them, start SuperOneClick.exe and click Driver Check. If the driver check fails, update your phone with PC Companion.
Now, connect your USB cable from your X8 to your computer. When connected it is VERY IMPORTANT to select CHARGE PHONE. Really, I can't stress this enough.
Start SuperOneClick.exe and just click ROOT. Everything should go normally. You might get a message asking you if your OS is 2.0 or higher, just go ahead and click Yes.
You should now be rooted!
YOU MUST BE ROOTED TO DO THIS
Installing xRecovery is the first step in the world of custom ROMs. Installing xRecovery also means if you are stuck in a bootloop, you can just recover to a working backup.
The first step is to download xRecovery mini-beta 0.1 (any other version WILL NOT work on your X8) (download available at the top of the thread).
Next, download Root Explorer (download available at the top of the thread).
Copy both the xRecovery folder and the Root Explorer .apk to your SD card.
Install any file manager from the Android Market (I recommend OI File Manager or Astro) and use it to browse to the Root Explorer .apk file and install it.
Run Root Explorer, browse to the xRecovery folder and copy the 3 files inside onto the /system/bin folder.
xRecovery is installed. To start xRecovery you press the Back button while the Sony Ericsson logo is showing during boot. Restart your phone and just keep tapping the back button repeatedly.
To move around in xRecovery you use the volume buttons, to select an item you press the Home button (the middle one), and to go back you press the Back button. Go ahead and make a backup of your current system (make sure you have at least 300MB of free space on your SD card.
You'll find the backup you just made in the xRecovery/backup folder. Name it something you can identify (don't use spaces). Copy that backup onto somewhere safe on your PC.
Backups are REALLY important, don't be a lazy bum.
So, you bricked your phone.
Don't panic, don't worry, everything is going to be alright. If you have xRecovery installed, just recover the latest backup you made. That simple. If, however, you DON'T have xRecovery installed, we can still recover your dear phone, don't worry
Using PC Companion: Connect your phone to your PC and turn it on. Look around the update phone section of PC Companion for an option called "Repair your phone". Just follow the steps and your phone will be in working order pretty soon
So, if you have any questions, feel free to post below
This section will (hopefully) answer all your questions related with the X8. If you still have any doubts, go ahead and post here, or send me a PM.
SuperOneClick is stuck at "Waiting for device"!
This is most likely caused by the lack of USB drivers for your X8. Go ahead and click Driver Check in SuperOneClick. If the window that pops up says "No issues found!" the problem is NOT your USB drivers. Otherwise, download PC Companion (which comes with the USB drivers for the X8) right here. Install PC Companion and give your PC a reboot.
My Pinch Zoom isn't working!
First off, let's be sure you know HOW to use your pinch zoom. Open Gallery, or MultiTouch Visualizer, and place one finger after the other. Spread them apart and it should work. If not, things get a little bit more complicated. Install and prepare the Android SDK on your PC (instructions below). In the CMD window, type in "adb shell" (without quotes). Then write "cd /system/lib/modules" (also without quotes). After that type in "ls" and look for a file called x8gesture.ko. If it's not there, refer to the post below for instructions on how to install modules. If it IS there, check the first post of http://forum.xda-developers.com/show....php?t=1004740.
I'm working on this section whenever I have time, which doesn't happen a lot, because of school.
Alright, when it comes to custom ROMs, it's mainly personal preference. I'll list some ROMs I've tried (and recommend).
7th May 2011 update: Because ROMs just keep getting updated, I won't be making reviews anymore, just gonna place the links to the ROM threads.
I have tested and can vouch for all of these ROMs.
These use CyanogenMod 7, and the reason why I say these are more advanced ROMs are that they need a little more configuration to get up and running then these miniCM roms.
Shpit's X8Gin GingerBread (CyanogenMod 7): http://forum.xda-developers.com/show....php?t=1089826
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