Tap “One Key Upgrade” to enter one key upgrade page, as following picture shown:
OBDSTAR X300 DP PAD 2 PLUS Update-1
Tap “One Key Upgrade” to start downloading, enter main interface after finishing downloading.
Notes: Ensure internet connection is normal when updating. Besides, because of many software, it may take several minutes, please wait patiently. If need to cancel a software, just tap corresponding Check Box as following picture shown:
OBDSTAR X300 DP PAD 2 PLUS Update-2
Note: OBDSTAR X300 DP Plus software is free upgrade for one year. So, it is worth to have one.