yes I am sure. the command I entered was '. \ fastboot oem device-info' but the command failed 'unknown command'. is there a solution for this? my device is Oppo F7 #3 Sep 6, 2020 MrJavi likes this. MrJavi Android Expert Have you enable, developer option, USB debugging and OEM Unlock on your Android device? #4 Sep 6, 2020 ocnbrze likes this.
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