CX-919 from Taobao

[raxy80]

Hi,
I bought 2 sticks from taobao:

http://item.taobao.com/item.htm?spm=a230r.1.14.59.8c0PDC&id=41571620100&ns=1&abbucket=12#detail

One works well but other stuck on boot with android logo.
Can anyone tell me which firmware to flash and how? I am newbee with this devices.

Do i have to install some of this firmwares:
1.Stock firmware for CX-919:

http://blog.geekbuying.com/index.php/2013/11/12/rom-download-new-stock-firmware-for-cx-919/#.UrKuK7Qu-fU

2.Finless 1.6 or Finless 2.0

On device there is 4.4.2 KK.

[raxy80]

Can anybody help me?
Is Tronsmart firmware compatible with OEM devices?
I flash all roms for tronsmart cx919 and on none of them i couldnt boot sistem. (just with 1 have tronsmart logo, with others black screen).
Dont work Fineless roms neither (2.0 & 1.6).

[raxy80]

Is there anybody still active on this forum?
Btw. this is info from Settings/About from device that workes:

Model number: rk31sdk
Android version: 4.4.2
Baseband version: unknown
Kernel version: 3.0.36+ ubuntu-server #491 Sat Oct 18 21:10:49 CST 2014
Build number: rk31 sdk-eng 4.4.2 KOT49H eng.ubuntu.20141018.160843 test-keys
Vendor software version: RK3188_R-BOX_ANDROID4.4.2-SDK

Antutu benchmark: about 22000pt
Quad core 1.4Ghz
Ram: 2GB
GPU: Mali-400 Mp

[raxy80]

Finally link from shop from taobao:

http://pan.baidu.com/s/1pJoKNt5

Work for this type of device.