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jps1x2

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  1. @hexdump I'll try and I'm sure I'll learn something along the way. I have created a linux VM on My Virtualbox and tested UART, it is working fine, then i can test with it. About the following command on your notes: dd if=uboot.img of=/dev/sdx seek=16384 Are there here on forum uboot.img to use or do i have to compile it? That command is to write to /dev/sdx on tv box or on sd card to boot? If the command is writen to tv box is it writen from UART connection? About command: rkdeveloptool wl 0x2000 u-boot-image-for-emmc-h96max-rk3328.img Are there here on forum valid img files that i can use of this type or do i have to compile it? Another way to do it if i do not need to boot from SD, is it possible to write directly to emmc armbian image with any tool? Regards Jps1x2
  2. @hexdump and @balbes150 Tested stop booting pressing any key on keyboard and do not worked, tested with other sd and other program to write image to it and the result is the same. I am not an expert on linux and i see that hexdump is replacing boot from his device, that process seems difficult. If it help to do it easy i have the img to install Android 8.1 to this device (2768333 A5X MAX+ TV box ROM firmware pack.7z), i had to install it days ago with Rockchip_FactoryTool_v1.64 and it can be installed every times i need. Could this img be mounted on a linux s.o. as a loop device and changed to hack boot procedure to boot from sd and then install it with Rockchip_FactoryTool_v1.64? is it possible to modify boot from Android rooting it using connectbot or terminal emulator apps? Is it possible to change things from UART connection or is it only used to see logs? I have only a little experience using linux and if the steps can be made easy i would try to do it. Thank you very much for your help and for your time. Regards Jps1x2
  3. Hi, Tested with UART connection and i have this booting normally: https://pastebin.com/9qUwTGEJ This booting with SD card indicating in uEnv.txt: FDT=/dtb/rockchip/rk3328-rockbox.dtb https://pastebin.com/xh8N8BQY This booting with USB indicating in uEnv.txt: FDT=/dtb/rockchip/rk3328-rockbox.dtb https://pastebin.com/Y659K1rK This booting with SD Card + USB indicating in both external devices uEnv.txt: FDT=/dtb/rockchip/rk3328-rockbox.dtb https://pastebin.com/ptghKnt3 Thank you very much for your help! Regards jps1x2
  4. Hi, modified all needed times file uEnv.txt to test all RK3328 dtb files on /dtb/rockchip folder of FAT partition to boot. Tested again on SD alone, USB alone, and at the same time SD+USB. Normal boot without pressing reset button. Nothing happened, inmediately boots Android and only creates on SD or USB a folder named Android and a folder named LOST.DIR Could i modify in any way from Android 8.1 using ADB, ConnectBot or any terminal emulator, that Android system and force boot from SD? Original operating system of that device is Android 8.1. Here you can see images of my device: https://t.me/s/TempChannelForArmbian Is it posible to use UART to modify with putty the boot sequence? i can buy a USB Uart on Aliexpress to connect my device and give you information. Is this USB UART ok?: FT232RL 3.3V 5V FTDI Mini USB to TTL Serial UART Adapter Module MiniUSB Port Converter+Cable for Ardu ino Pro PIC DIY https://a.aliexpress.com/_BTs9Oo Thanks and Regards Jps1x2
  5. Thanks for information. On my SD partition in FAT format i can't see folder extlinux that contains extlinux.conf file to change FDT information about dtb to use. But i see file uEnv.txt that contains a FDT line example to be modified. Is this the right file to modify? Thanks and regards Jps1x2
  6. Hi! i have downloaded your Armbian_20.07_Rk3328-tv_focal_current_5.7.8_desktop and writen to a SD and a USB using balena.io. I have an A5X Max+ 4K 64Gb/4Gb. Tested all RK3328 dtb.img of your image dtb directory on SD and USB, using alone SD to boot, alone USB to boot and combined SD+USB to boot, pressing reset button in AV connector while pluging the power but not worked, all the times boots, shows screen with circle indicating Deleting and reboots, then boots Android in a clean install. How could i boot and test Armbian on my device? Thanks for your work! Regards Jps1x2
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