Download Android KitKat 4.4.2 stock firmware for CX919II / J22 TV Stick

Posted in Apr 17, 2015 in Firmwares, News, 9 comments

This firmware is for CX919II / J22 TV Stick with Rockchip RK3188 CPU


Download Android KitKat 4.4.2 stock firmware for CX919II / J22 TV Stick from here or from here.

Firmware details
Archive name: rk3188_j22_8723bs_141204_4.4_8g2g
Image: rk3188_j22_8723bs_141204_4.4_8g2g.img
Archive file size: 327 MB
Platform: Rockchip RK3188
Model number: rk31sdk
Build number: rk31sdk-eng 4.4.2 KOT49H eng.ubuntu.20141204.160843 test-keys / rk31_8723bs-eng 4.4.2 KOT49H eng.arron.20141204.144438 test-keys


Caution Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.

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  1. 1 Raymond said:

    How many Gb of the NAND has been assigned as Internal Storage for this firmware?

  2. 1 Eyal said:

    the tv has no signal after flashing it,
    doesn’t work!!!

  3. 1 danyrolux said:
  4. 1 nir said:

    i also have the same problem ,i flashing it and has no signal on tv
    dont work,can someone know how to fix it?

  5. 1 Garth said:

    Same problem here, no tv output on HDMI after upgrade which flashed ok. (had to change to v2 loader) . Unit is the same as one pictured.

  6. 1 Eyal said:

    Still doesn’t boot even, rediciles

  7. 1 ajaxx said:

    you can also write the guide for the flash?

  8. 1 Roberto said:

    Hello friend, I bought two cx919ii, one of them is not working propperly, so I am looking for this firmware: rk31sdk-eng 4.4.2 KOT49H eng.ubuntu.20141216.160843 test-keys. Do you know where to find it?

  9. 1 OWEN said:

    my smart tv box model cs968 android 4.4 wont go futher than asking for a password I have never used a password can you please help and tell me what I can do looking forward to hearing from you

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