Always error in some models !
Platform: Samsung Android
Selected port: COM4
Selected model: GT-I9190
Please, press "OK" button on the phone to allow USB debugging..
Detected phone model: GT-I9190
Firmware compiled date: Wed Jan 21 04:55:37 KST 2015
PDA version: I9190UBUCOA1
CSC version: I9190UWACOA1
SW version: Unknown
Android version: 4.4.2 (KOT49H)
Phone was not found on the selected port!
Performed by 2.2.1 software version