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  • Title: Lenovo A820
  • Listed: September, 2013
  • Last modified: 09/20/2013 5:40 pm
  • Version: ROM Android 4.2.1
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CUSTOM
Lenovo A820
Lenovo A820 - Image 1Lenovo A820 - Image 2Lenovo A820 - Image 3Lenovo A820 - Image 4Lenovo A820 - Image 5

Author adMember Info

  • Listed by: infrared
  • Member Since: 04/06/2013

DESCRIPTION


Update 15.01.2014

Fixed color temperature bug (please see #2).

 

Alpha version

Port from ZTE V987. Thanks to bruno for the base. Also thank to cloudROM and MIUI teams, their roms helped me for the final fixes. Unfortunately, it is still based on S139 kernel. I couldn't find a way to overcome the issue with messed up touchscreen and orientation. It was working on my phone only.

Don't forget this is just a test version for those who like to experiment. It would be a big luck if everything works as intended, so if you're looking for a bug-free and stable rom, then it's adviseable not to install this version before bugs are fixed.

Install through CWM/TWRP.

Needless to say – make a backup of your current system first.

Spent a lot of nights working on this and finally managed to fix everything…or almost.

Most of the things seem to work, but needs testing. It is guaranteed that won't mess up the touchscreen (verified on another A820).

The ROM is permanently rooted and multilanguage, gapps not included, but you can install from this link: http://goo.im/devs/UniqueDroid/gapps/gapps-4.2.1/gapps-jb-4.2.1-20121129-signed.zip through CWM/TWRP.

 

If you get installation aborted, then you don't have a proper recovery installed. Download this one http://d-h.st/QxB rename it to recovery.img, copy to sdcard and install through MobileUncleTools (you can download it from Google Play).

 

Working: GPS, Wi-Fi, Sensors, GSM module, camera, audio, video with h/w decoding, mount points, charging

Untested: Bluetooth (turns on, but have no device to test it with), FM radio tested, but needs headphones as antenna

Not working / known bugs:

1. MP3, but plays FLAC – replace libstagefright.so from this link http://d-h.st/Zn6 in /system/lib/, set rw-r–r– permissions and restart the phone.

2. Color temperature changing in some cases - Replace /system/app/Gallery2.apk with attached Gallery2.apk rom the zip file and delete Gallery2.odex. Reboot the phone. Playing the recorded videos directly from the Camera leads to FC, but otherwise everything seems fine. This version is unaltered in any way, but fixes the nasty color temperature bug. FC problem will be fixed in the next full release.

3. USB Tethering – disable USB Debugging from Developer options and it will work

4. Contacts binding (don't have 2 SIM cards, so unable to test)

5. Search in contacts stops at 2nd symbol



※Please make a backup of your device before installing or updating ROM

Responses to “Lenovo A820”


  1. 07/28/2013
    Poland

    Hello. I have 1080p movie that do not works on this Android. It have "this video is not supported". Why?

     Download link: http://www.mirrorcreator.com/f.....UGA/1.MP4_links

    Anyone can test this file?

    • 04/06/2013
      Bulgaria

      Yes, it plays fine on my phone with the standard player. Perhaps your cpu does not support 1080p with hardware decoding. Try VLC or Mx Player in software mode.

  2. 07/28/2013
    Poland

    So I have MTK6589M? :(

  3. 04/08/2013
    Hungary

    I have 2,74GB data particon. But my A820_JB_disable_internal_sdcard-v3.zip is kill the system. It isn’t boot after this script. Do you create a new one?

    When I don’t use this, I can’t take pictures or make videos on my 14mb internal sd card.

  4. 05/29/2013
    Israel

    1. Infrared – can you please upload a new version with the new library fix?

    2. Can someone please post a screenshot\s of the available languages? (mainly Hebrew)

     

  5. 08/17/2013
    Finland

    @infrared

    Uploaded logcat files to: http://data.tpusenius.xsmail.c.....om/logcat1.txt                                                                                   http://data.tpusenius.xsmail.c.....om/logcat2.txt

    There seems to be some kind of bootloop cause continuos lines in the end of logs:

    E/Parcel  (  130): writeDupFileDescriptor: error 9 dup fd -75

    E/SurfaceTextureClient(  405): dequeueBuffer: error duping fence: 9

    
    E/Parcel  (  130): writeDupFileDescriptor: error 9 dup fd -75
    
    E/SurfaceTextureClient(  352): dequeueBuffer: error duping fence: 
    
    E/Parcel  (  130): writeDupFileDescriptor: error 9 dup fd -75
    
    E/SurfaceTextureClient(  352): dequeueBuffer: error duping fence: 9
  6. 09/16/2013
    Poland

    I'm really looking forward to see how this rom goes. Thank you for your hard work!

  7. 08/27/2013
    Poland

    I agree lock screen totally sucks. It seems it's not stock 4.2 lock screen? Because there is lock screen widgets support introduced in 4.2 and I can't see any possibility to add widget to my lock screen.

  8. 07/15/2013
    Poland

    Wi-Fi tethering doesn't working.

  9. 04/08/2013
    Hungary

    I set up a lockscreen pattern, and owner information.
    It isn’t appear when the screen was locked.

    When I switched off the pattern temporary whit Widgetsoid and I get emails or messages, and I tapped the alert I had to locked the pattern (but it was switch off)

    See it anyone more?

    • 08/27/2013
      Poland

      How did you set lockscreen pattern? I have only simple lock screen, it sucks and it's not 4.2 stock lockscreen. Also I can't see any settings for lockscreen.

    • 06/21/2013
      United Kingdom

      I use holo launcher hd with holo locker…simple clean lockscreen with quite a few customization options…will sort it for now at least

  10. 08/13/2013
    Poland

    Hi, IT is possible to change the lockscreena to Old, when swype left turn on camera, turn right unlock the screen?


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