Here are the firmware updating steps for your reference:
1, Install Soundcore app on your phone(can be downloaded directly from the app store of your phone)
2, Connect your phone with PowerConf via Bluetooth.
3, Find PowerConf on Soundcore app via Speaker>More>PowerConf
4, Click Update firmware>Download to start upgrading
5, It takes 3-5 minutes to complete the installation. While installing, please make sure your phone is well connected with the speakerphone, and please don’t play music or make phone calls.
5, When the installation completed, the speakerphone will restart automatically, please wait another 3-5 minutes.
6, You could check the new firmware version(should be V26.48) by pressing down the ”Bluetooth“and “Play” button simultaneously or on the Soundcore app.
If you need further assistance regarding this unit, please feel free to get in touch with our customer support via email@example.com.