Android firmware upgrade for the Z28 android TV is available for download. This firmware is based on android 7.1 nougat and has load of enhancements built-in. There are two versions of Z28 – one comes with 2GB RAM and another comes with 1GB RAM which have 16GB and 8GB storage respectively.
To install the Z28 firmware, follow these instructions. Keep in mind that to upgrade the firmware, it is mandatory to use the USB OTG able with your PC.
First, you need to download the rockchip’s driver assistant v4.4 which is downloadable from here. You may also download the firmware for your 2GB Z28 or 1GB Z28. You will also need RK batch update tool and a windows PC with 7, 8 or 10 onboard.
Fire up the driver assistant to install driver for the Z28 android TV. If you get a windows security message, click on install. Then close the driver assistant and start the RK batch tool.
Click on the “…” and select the firmware that we downloaded earlier and connect your Z28 android TV to the computer. If the firmware does not have IMG extension, you will need to unzip it.
Now, click on the upgrade button to start the firmware upgrade process. It will only take a few moments to install the firmware.
The Z28 is a fairly popular android TV that comes with quad core ARM Cortex A53 processor backed by Mali 450mp2 graphics processing unit. This GPU is native H.265 and VP9 video decoding 4K @ 60fps support. Specifications include 2GB of RAM, 16GB of internal storage eMMc and WiFi b / g / n with internal antenna. At the connectivity level, we have a USB 3.0 port as a novelty, an OTG 2.0 USB, microSD card reader, 10/100 network connector and an HDMI 2.0a port. It is currently on sale for 39 euro.