Devices stuck on FW v1.03 & 1.04 can update their X10-4k by alternative way. (see below steps)
After the update to V1.05 OTA will work normally, so “firmware update” function can be used afterward.
connect to the internet and Install X10-4K OTA from Aptoide center
Perform X10-4K FW on AppsCenter
System will auto check version and upgrade FW will begin.
once done device will restart.