Looking for a good full-system diagnostic pad: Obdstar X300 DP and Xtool EZ500 (same as PS80), which one better? Look here:   Hardware specification: 　 OBDSTAR X300 DP pad XTOOL EZ500 Image     Operating System Android 5.1 Android 4.4.4 CPU … Continue reading OBDSTAR X300 DP vs. Xtool EZ500 Full System Diagnostic Pad