[Guide] How to root the Sony Ericsson Xperia X10 mini

It seems that rooting Sony Ericsson handsets haven't been as easy as their HTC counterparts. We recently put together a guide on how to root the Xperia X10 and today we have some new rooting guides for you.

The following guide will show you how to root the Sony Ericsson Xperia X10 mini or the Sony Ericsson Xperia X10 mini Pro.

• Download and extract exploid_x10mini.zip
• Download the Android SDK (this is required for ADB)
• Download the Sony Ericsson PC Companison (required for X10 mini USB drivers.
• Enable USB debugging on your device by heading to Settings > Applications > Development
• Add the Power Control widget to your active widgets on your device. This is required to quickly switch Wi-Fi ON and OFF.

1. Connect your device to your computer.
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2. Open a command prompt window and navigate to the folder where you have installed the Android SDK (eg: C:\android-sdk\platform-tools)
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3. Now type the following commands one after the other
   cd c:\exploid_x10mini (or another folder where you've extracted the files from exploid_x10mini.zip)
   adb push Superuser.apk /sdcard/Superuser.apk
   adb push su /sdcard/su
   adb push exploid /sqlite_stmt_journals/exploid
   adb push busybox /sqlite_stmt_journals/busybox
   adb shell
   cd sqlite_stmt_journals
   chmod 755 exploid
   chmod 755 busybox
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4. Type ./exploid 
   [NOTE] You need to disable and enable the Wi-Fi using the power widget on your device.
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5. Next run rootshell and enter the password rootnow.
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6. The prompt will change to # - now you have achived root.
   ./busybox cp /sdcard/Superuser.apk /system/app/
   ./busybox cp /sdcard/su /system/bin/
   ./busybox cp busybox /system/bin/
   chmod 4755 /system/bin/su
   rm /system/bin/rootshell
   exit - out of rootshell
   exit - out of adb shell

When you run the abd shell again and issue su command, the Superuser.apk will run on the phone and will ask whether to allow the root permissions...

source - XDA Developers