Problem: I was trying to update Lonsdor K518ISE, it stops at 31% and give me error “Update failed , APK Version : V1.5.17” Solution: Flash the APK following steps below: 1.Download and unzip the attached file, you will get 2 … Continue reading Lonsdor K518 “Update failed , APK Version : V1.5.17” by Flashing Firmware