[ROM][JB][AOSP] Jelly Bean 4.1.1 For Lenovo Ideapad K1 by Khanning

Update Last: August 19th, 2012

We now have Jelly Bean Rom from AOSP by "khanning", this is the second Jelly Bean Rom available for Lenovo K1.  First one was posted here by "Krook1" (link).   So which one should you flash?  Try them both, see which one you like the best.


*DISCLAIMER*

This site bloggers and Khanning takes no responsibility for any fault or damage caused by any procedures within this guide. No warranties of any kind are given.

Check this post for latest weekly updates: XDA, Thanks to "khanning"

Looking for a update? Check out latest Jelly Bean 4.2.2 for K1 here: Jelly Bean 4.2.2 for K1

The BAD:

• Video Camera face effects
• Rotation Lock Switch (Software switch works)
• Auto brightness
• 3G support

What's Included:

• Android Jellybean 4.1.1
• nvflash package includes krook1's ClockworkMod Recovery 6.0.1.1 build that supports both internal and external sdcard
• JB Google Apps
• OTA-UpdateCenter support for future OTA updates
• Reboot option in power menu
• Superuser

I am going to split this up into two sections.  

If you want to update to latest update and have ClockWorkMod  recovery and have followed instructions here I posted for CM9 port on your device then follow Option 1 Instructions.

If are clueless, don't care, then follow Option 2 Instructions.

[ -----  Option 1: Update ----- ]

If you are rooted and have CWM installed follow instructions below, if not skip to Option 2

You need Custom recovery based off of an ICS rom to be able to flash this. If you have any other base, *do not flash* this image, since it will not boot.

Required Files:

Download the file below and put it on the external SD Card

1. JB ROM Zip: CWM_K1_JB_AOSP.zip


Step 3: Only Required if you coming from other ROM.  Not required if you are upgrading to the latest version of this ROM from previous one.  (Warning: when you do this step it will wipe all your data and you will be required to re enter your Gmail account info and re-set all your settings to your likely)

Instructions:
1. Download zip to External SD
2. Reboot to recovery (Use Rom Manager or 'reboot recovery' command)
**See Section Below for Instructions if you are stuck on this part***
3. In Recovery: Wipe Data/Factory Reset
4. In Recovery:  Wipe Cache
5. In Recovery: Install Zip from SdCard--> Choose Zip from SdCard
6. In Recovery: Flash the JB zip 
8. Reboot
9. Enjoy


How to Reboot to Recovery


Rom Manager Recovery Reboot Method:

Download: Rom Manager from the Google Play Store and open the app and select reboot into recovery

or

Reboot Recovery Command Reboot Method:

Non-rooted version
1. Make sure you have the Android SDK installed. http://developer.android.com/sdk/index.html
2. Make sure USB Debugging is enabled on the tablet. Go to Settings > Developers options > and check "USB Debugging"
3. Connect the device to USB
4. Open a terminal or command prompt window and type

Code:

adb shell k1recovery

Rooted version
From a Terminal Application
Run the follow two commands

Code:

su
k1recovery

[ -----  Option 2: NVflash Package----- ]

If you never rooted your device and you are stock , follow the instructions below

Required Files: 
Download all three files below

1. K1_JB_AOSP.zip

3. Nvflash Windows Drivers
md5sum: 9aa3a4814ca63366329d85a22ed01f64
Install these drivers, before you continue 

Instructions: 

APX MODE
You need to boot into APX Mode, to boot into APX mode:

1. Power off
2. Hold down the Vol - and the Vol +
3. While holding the Volume keys down(- and +), Power on
4. The display should go black, and both LED's on either side of the home button should light up. You are now in, APX mode.

FLASHING THE PACKAGE
1. Extract the    K1_JB_AOSP.zip   contents to a directory (download from above)
2a. If using Windows, double click the "flash-win.bat" file
2b. If using Linux, cd into the extracted directory and run either "sudo ./flash-linux.sh" or "./flash-linux.sh" from a root prompt



Post feedback below, since this is early build expect bugs.
Donate:
Khanning: via PayPal

Tags: Galaxy Nexus, Jelly Bean for Galaxy Nexus, Best ROm, Gnex, Best Nexus Rom, Best Kernel for Jelly Bean, best jelly bean rom for galaxy nexus, most stable rom, Jelly Bean 4.1.1, Verizon Nexus Best Rom, Samsung.