[Sony Ericsson Xperia Mini, Mini Pro, Xperia Pro, A] karandpr:
Some "friendlier" ways to dual Boot.

Method 1

Noob Friendly Instructions for Dual Boot.

I have done most of the heavy lifting

You need to flash the kernels above first.

Currently only Radium is supported for primary ROM.

But you can install ANY ICS ROM as secondary.

Requirements :

Basic Notepad Skills.

Dual Partition SD card Exceeding 1.2GB atleast.

Battery % atleast above 70%

Patience

Download

https://www.mediafire.com/folder/aiv828ivuumrk/Dual_Boot_Zips

Download all zips in this folder.

Definition

Dual_Boot_Install_400.zip : 400MB system + 400 MB data

Dual_Boot_Install_600.zip : 400 MB system + 600 MB data

Dual_Boot_Install_800.zip : 400 MB system +800 MB data

Mount.zip : To Mount The secondary system/data before installing ROMs

prim.zip : Boot to Primary ROM

sec.zip :Boot to Secondary ROM

Setup Dual Boot:

Go to recovery

Go to mounts & storage

Format sd-ext

Flash any ONE of the Dual_Boot_Install_Zips

Patience part comes here. Depending on how your SD card is ,it takes 5-10 minutes to copy.

ROM Preparation

Extract the updater script of your ROM zip in your desktop.

Open it in notepad++

Delete the lines mounting and formatting system and userdata like these

Copy back the updater script in the ROM folder

Copy ROM to SD card

ROM installation:

Run Mount.zip

Run The ROM installer

Finished

Before Installing Zips below ,Make sure sd-ext is NOT mounted in mounts and storage.

Booting to primary ROM

Run the primary.zip in recovery OR

OR

mount sd-ext and run

echo 0 > /sd-ext/flag_kdpr

in adb shell

Booting to secondary ROM

Run the secondary.zip in recovery.

OR

mount sd-ext and run

echo 1 > /sd-ext/flag_kdpr

in adb shell

Those huge blank images can be fit in such a small zip file. There is no data so it can be compressed to the Max.

Method 2

Even more easier Dual ROM installation. This type of stuff can only be achieved on the Zero Layout

Noob Friendly Instructions for Dual Boot.

Requirements :

Dual Partition SD card Exceeding 1.2GB atleast.

Battery % atleast above 70%

Patience

Download

https://www.mediafire.com/folder/aiv828ivuumrk/Dual_Boot_Zips

Download all zips in this folder.

Definition

Dual_Boot_Install_400.zip : 400MB system + 400 MB data

Dual_Boot_Install_600.zip : 400 MB system + 600 MB data

Dual_Boot_Install_800.zip : 400 MB system +800 MB data

Mount.zip : To Mount The secondary system/data before installing ROMs

prim.zip : Boot to Primary ROM

sec.zip :Boot to Secondary ROM

clone2.zip :cloning Primary ROM to Secondary ROM

Setup Dual Boot:

Go to recovery

Go to mounts & storage

Format sd-ext

Flash any ONE of the Dual_Boot_Install_Zips

Patience part comes here. Depending on how your SD card is ,it takes 5-10 minutes to copy.

ROM INSTALLATION :

Install Secondary ROM as you install any ROM

Finish installation

Don't reboot.

Mount sd-ext in mounts and storage

Flash clone2.zip

[optional]Watch Anime

After installation finished

Install Primary ROM.

Finish Installation

Clone Zip basically clones your running ROM as secondary ROM. This stuff beats nandroid backup !!

Booting to primary ROM

Run the primary.zip in recovery OR

OR

mount sd-ext and run

echo 0 > /sd-ext/flag_kdpr

in adb shell

Booting to secondary ROM

Run the secondary.zip in recovery.

OR

mount sd-ext and run

echo 1 > /sd-ext/flag_kdpr

in adb shell

Those huge blank images can be fit in such a small zip file. There is no data so it can be compressed to the Max.