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[Fastboot]Custom Kernel for Motorola Defy Mini XT320/XT321

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10th March 2014, 06:33 AM |#1  
rootdefyxt320's Avatar
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First custom kernel for Defy Mini XT320/XT321 is here!

Featured on XDA Portal:

@MauroSZ @Bernd.Defy @junk031

Despite us having a locked bootloader, we can boot a custom kernel via fastboot.

Technical Details:

Fastboot is stored as a secondary bootloader in Defy Mini. On older firmwares, the secondary bootloader had fastboot enabled but newer firmwares don't. This is why Motorola left a vulnerability in fastboot which allowed us to fastboot boot img files.

Kernel Source:

This kernel is made for Defy Mini stock ROM's.

Linux Kernel version


To Do:
-Add overclock
-Add custom governors

-You must use fastboot everytime you want to boot a custom kernel so it requires a computer.


1. Download boot.img from attachments
2. Download from attachments.
3. Make sure you have CWM Recovery, if not download it from Post #41
4. Now boot into CWM Recovery using the batch script or typing the command in cmd
fastboot boot name-of-recovery.img
4. Now type these commands in cmd:

adb shell mount -a
adb push /sdcard
adb shell
cd /system/lib/modules
busybox unzip /sdcard/
Then it will ask you to overwrite the files, press A on the keyboard.

Now type the next commands in cmd:

cd /system/lib
chmod 755 modules/*
adb reboot-bootloader
fastboot boot boot.img
Updated to v2 in Post 8:

Same installation instructions as v1.
Attached Files
File Type: img boot.img - [Click for QR Code] (3.57 MB, 549 views)
File Type: zip - [Click for QR Code] (752.0 KB, 536 views)
Last edited by rootdefyxt320; 18th March 2014 at 09:17 AM.
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custom kernel, defy mini, xt320, xt321
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