Q: Can I enter Fastboot mode on Oppo A58 without a computer? A: No, you need a computer with a USB port to enter Fastboot mode on Oppo A58.
: Plug your phone into your computer via the USB cable and allow USB debugging if prompted on your phone screen. Open Command Prompt how to open fastboot mode on oppo a58
If you're trying to or flash a custom ROM , I can give you the next steps for that. Just let me know what you're planning! Q: Can I enter Fastboot mode on Oppo A58 without a computer