You have x9s so you don't need GApps.
I have x9s with software 2.1.36 and kodi 18.6 works without a problem.
Try to uninstall kodi and reinstall....
The link is in the instructions:
New poster wall version 2.7.1 (the latest version from z9s,works on x9s).
No change log.
Try install with this method (on the x9s example, you must use files from the z9s software):...
You are wrong if I use the image 2.1.1 will not be able to install a higher version ota restoration will be possible only through Uart.
As in this...
If on the day of purchase x9s you had a software version lower than 2.1.1 use image 1.4.12.
Remains only the uart method (it's not easy, but many people managed to restore):...
New poster wall version 2.6.3 (the latest version from z9s,works on x9s).
1. Fix the problem that the background service causes the setup wizard...
Here you have a more detailed description:...
Try to flash image:
Try to factory reset.
Download the software from here:
Then install here you have the...
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