Generic MediaTek MT6582 device.

MediaTek MT6582 hardware released in Q3 of 2013 by MediaTek is low-end processor found almost in every cheap device.

Basic	Spec Sheet
CPU	1.3GHz Quad-Core MT6582
GPU	Mali-400MP
Memory	1GB RAM
Shipped Android Version	4.2.2 - 4.4.2
Storage	8GB (varies)
Display	6.0" 1280 x 720 px (certainly for j805)
Camera	8MPx, LED Flash

This branch is for building CyanogenMod 12.1 (or CM-12.1 based) ROMS.

Build

• Working

  • Dual SIM
  • Wifi
  • Bluetooth
  • Audio
  • Sensors
  • Camera (photo and video recording)
  • GPS
  • NFC (removed)
  • OTG
  • Tethering (Wifi, Bluetooth and USB)
  • FM Radio (removed)

• Compilation

    # repo init -u git://github.com/rohantaneja/android.git -b cm-12.1
    
    # repo sync
    
    # source build/envsetup.sh
    
    # brunch cm_mt6582-userdebug
  

MTK

Few words about mtk related binaries, services and migration peculiarities.

Limitations

Services requires root:

system/core/rootdir/init.rc

• surfaceflinger depends on sched_setscheduler calls, unable to change process priority from 'system' user (default user 'system')

• mediaserver depends on /data/nvram folder access, unable to do voice calls from 'media' user (default user 'media')