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    Android on Cool Pi 4B

    Scheduled Pinned Locked Moved Construction
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    • R
      retroman
      last edited by

      I get the message "Android system serial console enabled performance is impacted. to disable, check bootloader." How do I disable this?

      大法师大 1 Reply Last reply Reply Quote 0
      • 大法师大
        大法师 @retroman
        last edited by

        @retroman use adb command and change cmdline.txt (delete console=ttyS0) which in boot partition.
        Or wait for next version image.

        jack@cool-pi.com

        R 1 Reply Last reply Reply Quote 0
        • R
          retroman @大法师
          last edited by

          @大法师 I think you meant replace "console=ttyS0" with "console=ttyS1"? Anyway, console=ttyS1 fixed it.

          1 Reply Last reply Reply Quote 0
          • 大法师大
            大法师 @retroman
            last edited by 大法师

            @retroman
            Now update firmware file for wifi support.

            coolpi 4b android12
            链接:https://pan.baidu.com/s/1TWPpdhPPYeTF8edlKFgQUQ?pwd=ri9j 
            提取码:ri9j 
            
            (使用rkdevtool工具烧录emmc镜像)
            

            jack@cool-pi.com

            R 1 Reply Last reply Reply Quote 0
            • R
              retroman @大法师
              last edited by retroman

              @大法师 Thank you, but please provide onedrive link or some other link because I can't download from baidu. Does this version also support bluetooth? In addition, does this version enable the use of the top USB3.0 port? The old version makes the the top USB3.0 port unsuable.
              Thank you!

              大法师大 1 Reply Last reply Reply Quote 0
              • 大法师大
                大法师 @retroman
                last edited by 大法师

                @retroman
                also use onedrive link(https://1drv.ms/u/s!AhSBNZjrDPlSanDDQF7WowYhiz8?e=lRpMrk). And then the top u3 port is used for adb debug.

                jack@cool-pi.com

                R 1 Reply Last reply Reply Quote 1
                • R
                  retroman @大法师
                  last edited by

                  @大法师 Thank you! Please add bluethooth support in the next version.

                  1 Reply Last reply Reply Quote 0
                  • R
                    retroman
                    last edited by

                    Hello! Thank you for working hard during your Chinese New Year! I don't want to bug you on your break, but when you get a chance can you enable bluethooth on Android? I really need bluetooth for my project. Thanks!

                    大法师大 1 Reply Last reply Reply Quote 0
                    • 大法师大
                      大法师 @retroman
                      last edited by 大法师

                      @retroman Bluetooth feature has been added to support. I will upload a new image file (20230118) to onedrive.
                      2023-01-19-002547.jpg

                      jack@cool-pi.com

                      R 1 Reply Last reply Reply Quote 0
                      • R
                        retroman @大法师
                        last edited by

                        @大法师 Thank you very much!

                        1 Reply Last reply Reply Quote 0
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