WLAN hotspots are usually started on the Oppo smartphone with the frequency 2.4GHz, but if the device supports it, the faster frequency (AP band) 5 GHz can also be used.

Android 10 (ColorOS 7.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Other Wireless Connections
Step 3:  Tap on  Personal hotspot
Step 4:  Tap on  Personal hotspot settings
Step 5:  Tap on  AP band
Step 6:  Choose between  2.4 GHz band  and  5 GHz band
Step 7:  Confirm with  Save
  1. Open the Settings
  2. Tap on Other Wireless Connections
  3. Tap on Personal hotspot
  4. Tap on Personal hotspot settings
  5. Tap on AP band
  6. Choose between 2.4 GHz band and 5 GHz band
  7. Confirm with Save

Oppo Instructions
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