I bought an MK809IV from China yesterday with android 4.2.2. Everyhing worked fine, I managed to set it up the way I wanted, but i didn't have a router to connect to the internet. Today a friend gave me an ZTE USB 3G dongle to connect to my MK809IV. Everthing worked fine, I had internet, I managed to setup a google account and watch 1-2 videos on youtube. After about 5 minutes the screen started to make some purple horizontal lines. I was scared that something happened to the device and pluged it out.
After that I decided to remove the ZTE 3G adaptor and restart the MK809IV. Now I see some blue vertical lines in some applications (you can see this in the image below, on the left side), but only for 1920x1080 resolution. If i change the resolution to 1280x720 I no longer see the blue lines.
Let's say that isn`t a big problem, I can work with 720p resolution, but after about 2-3 minutes, the MK809IV restarts by itself (doesn`t matter what resolution I set) and enters a bootloop. I tried this several times with the same result.
The device has a built-in recovery mode and I managed to reset it to factory settings but with no succes, the reboot and bootloop still persists.
Could this be a rom problem? Or a hardware problem?
I am not sure what rom to install because from what I can see on the forum, MK809IV doesn`t really exist and it may be a copy of another device.
After I removed the covery I saw that the chipset is a Rockchip RK 3188-T, Quadcore 1.4Ghz, 8GB memory, AP6210 wifi and bluetooth.
I linked some photoes of the devices.
Please someone help me sort this out.
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