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[ROM][JB-4.1.2] JB Mini Project | Release 2 | 12/02/13 | Bugfree | RELEASED

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Jelly Bean Mini Project | Android 4.1.2 JB-CM10

  • This rom is part of Old Xperia Team
  • Team Members: Stelios97, Daveee10
  • This rom is compiled from CyanogenMod sources for Armv6
  • Compatible with all Jelly Bean kernel for x10 mini pro (.29 & .32)
  • Mirrors are not accepted
  • I am not responsible for any damages to your device!


Use Project Issues Tracker to report bugs!

Install Instrunctions:
  1. Download rom and kernel
  2. Place rom on your sd card
  3. Flash jb kernel from this post (not other kernel)
  4. Make backup of your previous rom
  5. Make full wipe
  6. Wipe cache and dalvik cache
  7. Install the rom
  8. Reboot
  9. Wait for the rom to boot completely
  10. Reboot again
  11. Enjoy


Android 4.1.2
Build from latest CM Source Code
Nova Launcher
Resized for Ldpi (100%)
Ldpi keyboard
CyanogenMod Features
Power Widget Toggles on Notification Bar (Can be disabled)
Performance Settings
Tweaked grey gradient background
Bigger Font
Semc Default Keyboard
Led Flashlight Power Widget Toggle
Good Battery Life
Project Butter
Triple Buffering
Fast and Smooth like "Butter"
JB Mini Extra Settings


HW Acceleration
Usb (Storage and Adb)
New Adreno200 Libs
H/W Video Encoder/Decoder
FM Radio
HW Keyboard

Not Working:




Release 2 - 12/02/2013



  • Doixanh
  • NobodyAtall
  • Daveee10
  • Azuzu
  • AChep
  • CyanogenMod
  • Google

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The Following 55 Users Say Thank You to stelios97 For This Useful Post: [ View ] Gift stelios97 Ad-Free
9th September 2012, 10:42 PM |#2  
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12/02/2013-Release 2:
  • Improved CameraHAL
  • Screenshot options (Delay setting and sound toggler)
  • Transparent Statusbar
  • NavBar enabler from JBMini Settings
  • Reworked back button ends call function
  • Removed Home button answers call function
  • Added Menu button answers call
  • Change mounts for JB (now usable with all Jelly Bean kernel)
  • Sense 4 style Recent apps
  • Ram usage bar in Recent apps
  • Fixed flashing screen while screen goes black
  • Fixed Barcode Scanner
  • Reworked Partition Info (Full detailed -> Used, Free, Total, Used in Percentage)
  • Ringtone Delay Fix
  • JBMini Theme
  • New Xperia Launcher
  • More informative Battery stats (more apps and x,x% usage instead of x%)
  • SMS app Limit changed to editable int value instead of list... (you can change every value what you want)
  • Backported Call statistics to Contacts from CM10.1
  • Backported Flip to mute/dismiss call from CM10.1

Release 1-Skipped:
  • Fixed headset routing issue
  • More improved audio volume
  • Loudspeaker microphone incall issue fixed
  • Camcorder fixed
  • Video Playing fixed
  • Youtube HQ fixed
  • Fixed HW encoder/decoder
29/10/2012-RC 1b:
  • Fixed Freezing
  • Fixed optimizing apps issue
  • Some font changes
  • Added Nova Launcher- Removed Trebuchet
  • Added Dsp Manager
  • Added default live wallpapers
  • Added Swap settings under Performance->Memory management
  • Force GPU Rendering enabled by default

26/10/2012-RC 1:
  • Updated to 4.1.2 source
  • Removed Rotation checkbox from acessibility because it's in display settings
  • Recovery version in Settings->About phone
  • Native Apps2SD support
  • Trebuchet launcher/Apex Launcher
  • Increased FPS (60 fps)
  • DataUsage in settings
  • Custom Carrier Label on Lockscreen
  • I/O scheduler settings in Performance settings
  • Option to control cursor in text fields using volume keys
  • Bluetooth Tethering
  • Usb tethering
  • JBMini Project Wallpapers
  • Included FileManager (changed style for Jelly Bean)
  • New colored icons in Settings app
  • Screensaver support
  • Working camera(with smooth preview/photos only)
  • Bootaudio
  • Disable bootaudio option in JBMini Settings
  • WiFi Tethering in menu(not working yet)
  • Custom boot animation
  • Custom boot sound
  • Lockscreen clock alignment in portrait mode only because on landscape the unlock widget on the right
  • Added stopwatch to deskclock
  • Added countdown to deskclock
  • Added OTA Update Center
  • FM Radio working good
  • Small fixes in JBMini Settings
  • Add lockscreen weather and lockscreen calendar to lockscreen text color change
  • Fixed Auto Brightness
  • Lockscreen branding (watermark)
  • ScreenOff Animation
  • Added math quiz to alarm clock
  • Changed alarm toggle checkbox to switch
  • JBMini Settings: Statusbar Clock weekday
  • JBMini Settings: Battery Bar
  • JBMini Settings: Disable alarm icon
  • JBMini Settings: Disable bugmailer
  • JBMini Settings: A2SD settings in JBMini Settings
  • JBMini Settings: Lockscreen text color picker
  • JBMini Settings: Statusbar clock color picker
  • JBMini Settings: Slider Lockscreen from Gingerbread
  • JBMini Settings: Rotary Lockscreen from Gingerbread
  • Added Raised Brightness to Brightness PowerWidget
  • Using LegacyCamera app instead of Stock Camera app
  • No more artifacts in camera preview
  • Google apps Lite included (Only google services, GoogleNow, Talk)
  • Made the font bigger
  • Fixed incall dialpad
  • Added default semc keyboard
  • Added led flashlight toggle for statusbar
  • Changed the gradient background to a solid one so apps open faster and scrolling is smooth!

07/08/2012-Beta 1:
  • Build from latest CM Source Code
  • Fully working audio
  • Working Microphone
  • Working Wifi
  • Native usb storage mount (no need external app)
  • Fixed Battery stats
  • Fully Resized for ldpi
  • Resized all wallpapers
  • Working lights/leds
  • Working sensors
  • Removed dsp manager for better performance
  • Music Playback works
  • Video Playback works
  • Faster than alpha 2
  • Almost ready for daily use
  • Other small fixes
  • JB Mini extra settings:
->Disable bootanimation
->Raised brightness
->Volume adjust sound
->Center statusbar clock
->Disable/Enable power menu options
->Back button ends call
->Home button answers call

22/07/2012-Alpha 2:
  • Build from latest CM source code
  • Fixed GSM/Data
  • Resized for Ldpi
  • Power widger toggles on notification bar (can be disabled from settings)
  • Better Graphic quality and performance (No more graphic glitches)
  • Much Faster

20/07/2012-Alpha 1:
  • Initial Release
  • Not for Daily use
The Following 14 Users Say Thank You to stelios97 For This Useful Post: [ View ] Gift stelios97 Ad-Free
9th September 2012, 10:43 PM |#3  
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Future Plans - Addons

*Note: Changelog preview may vary from final changelog
The Following 13 Users Say Thank You to stelios97 For This Useful Post: [ View ] Gift stelios97 Ad-Free
9th September 2012, 10:45 PM |#4  
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I need some experienced testers who can make logcats/screenshots/dmesg and etc to test this rom and report bugs as i don't own a x10 mini pro but a x10 mini!
The Following 7 Users Say Thank You to stelios97 For This Useful Post: [ View ] Gift stelios97 Ad-Free
10th September 2012, 12:36 AM |#5  
Senior Member
Flag Molfetta
Thanks Meter: 41
I can test it providing screen and bugs
When i will restore my work notebook, i will also post logcats (i devolop android apps ).

If you want, you can send me link with PM

Xperia X10MiniPro JB 4.1.1 + Tapatalk2
The Following User Says Thank You to Slash90[ITA] For This Useful Post: [ View ] Gift Slash90[ITA] Ad-Free
10th September 2012, 03:13 AM |#6  
Flag Kelantan
Thanks Meter: 3
Really hope that this project could be a Bigbang project.
10th September 2012, 03:26 AM |#7  
Flag Recife
Thanks Meter: 15
Talking Thx
Thank you very very very very very much and for all!
Edit: I can test and report bugs and more needed!
10th September 2012, 07:18 AM |#8  
Senior Member
Flag Olomouc
Thanks Meter: 42
I am very happy Stelios97,nice nice nice. )
10th September 2012, 11:27 AM |#9  
GLADS's Avatar
Senior Member
Thanks Meter: 33
I might try this ROM on my another Xperia x10 mini pro

Screen shot of this ROM looks awesome.

But where is the download link for ROM and Kernel?
11th September 2012, 05:46 AM |#10  
Senior Member
Thanks Meter: 47
i voluntary!! i provide screenshot and report bug. also logcat if necessary. will help in any other way if possible.
11th September 2012, 08:46 AM |#11  
Junior Member
Flag Pangkalan Bun sweet City
Thanks Meter: 4
Whoa..the sounds like great, Can't wait test your project on my u20i..

Sent from my U20i using xda premium
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