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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


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”

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  1. 09/15/2013
    Poland

     

    Wackyjackie on 09/21/2013 @ 12:41 am

    Camera crashes for me if I'm trying to take series of pictures, also after trying libstagefright.so fix. MP3 works.

    Great ROM, I'm waiting for updates! :)

    Oh, and this —> "I have one suggestion: "long press to unlock" sucks. Solution from Lambda is better." 

  2. 09/09/2013
    Japan

     

    K.IPN on 09/21/2013 @ 4:00 am

    Thank you infrared.

    Doesn't this rom have Japanese locale?

  3. 07/23/2013
    Russia

     

    Ship500 on 09/21/2013 @ 5:52 am

    FM radio I do not work without headphones. Do not switch the sound from the headphone jack on the speakers, the sound from the headphones.
    This feature of the software or a bug?

    Sorry, I translate from Russian by Google.

  4. 07/23/2013
    Russia

     

    Ship500 on 09/21/2013 @ 6:37 am

    Bluetooth is working, tested on BH-505 stereo headset.

  5. 08/27/2013
    Poland

     

    giaur500 on 09/21/2013 @ 8:52 am

    After fix mp3/camera everything seems to be working. However, I experienced some problems:

    - camera: panorama functions doesn't work

    - gps. There is some strange things here. Generally, gps works. But after some time, gps starts to look my location without any reason. I can see that application called "Fused location" (it's standard google system app) uses gps and tries to find my location. But gps itself seems to be not working in ay other app. Phone restart fixes this, but after some time eveything starts over again. Also Fused Location drains battery, because it uses gps all the time.

  6. 08/17/2013
    Finland

     

    taiston on 09/21/2013 @ 9:38 am

    Totally stuck on boot with this version. Whatever I do the result is stuck on screen "lenovo for those who do.". Done factory reset fornated cache/dalvik, reverted internal-sd partition back to stock state before installation. Replaced the boot.img in the installation package with the 2.3.2 boot.img no success with booting. I'll keep trying with the later versions in the future.

  7. 08/17/2013
    Finland

     

    taiston on 09/21/2013 @ 10:25 am

    Boot problems may be related to the bootloader used.

    Anyaone having a link to a working bootloader to download.

    • 04/06/2013
      Bulgaria

       

      infrared on 09/21/2013 @ 1:41 pm Author ad

      Download adb.zip http://d-h.st/ezU exctract it somewhere in c, then open a command prompt in the folder location (on windows 7 -> Shift + right mouse button -> Open command prompt) and type adb logcat *:E > c:\logcat.txt , hit enter, then connect the phone with the usb cable and power it on.

      Stay a little on the logo, then disconnect and send me the logcat to my email. If I understand wha is the problem, then I can probably tell you what to do.

  8. 05/30/2013
    Poland

     

    Colz@ on 09/21/2013 @ 1:19 pm

    Thank for your work infrared. Maybe someone would told me, how to move all my apps, data, and setings from lambda to this rom? I tried to restore only data from lambda backups in twrp but it doesn't work.

  9. 07/07/2013
    Ukraine

     

    Shurik on 09/21/2013 @ 1:38 pm

    Глючит нет звука в звонках ,тормозит где не где а так все ок,в лямду такой перевод супер.

    • 04/06/2013
      Bulgaria

       

      infrared on 09/21/2013 @ 1:48 pm Author ad

      Заменить libstagefright.so http://d-h.st/Zn6 в /system/lib/ директория, установить rw-r–r– разрешения и перезагрузить телефон. 4.2.1 есть алфа тестовая версия.

  10. 08/17/2013
    Finland

     

    taiston on 09/21/2013 @ 3:28 pm

    @infrared

    logcats: http://data.tpusenius.xsmail.c.....om/ in a new window" href="http://data.tpusenius.xsmail.com/" style="margin: 0px; padding: 0px; outline: 0px; color: rgb(31, 31, 31); font-family: 'Helvetica Neue', Arial, sans-serif; font-size: 12.727272033691406px; line-height: 17.27272605895996px; white-space: nowrap; background-color: rgb(246, 246, 246);" target="_blank" rel="nofollow">http://data.tpusenius.xsmail.c.....om/

    Booted twice, second run a little longer. Found vold.fstab error for emmc, but no more light to me.

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