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no but ilmich would post close ones , so i thing there will be open ones , but simple first if you havent problem with legacy armbian please dont do step 10 infront of step 1 bullseye debian 11 jammy ubuntu 22.04 yes you can nand first , yes correct sd card direct without install when bootloader 1 else you maybe need "jump start" from multitool bad news : I have tried to run the box with sdcard inside with multitool, but nothing happen (the tv goes to energy save). Removing the sd card android tried to boot, but it's stop to recovery mode If I choose "Reboot to bootloader" device stop and nothing more happen (same result as with sd card inserted), if I choose "View recovery logs" the following info appear (I have only made photo of last 3 pages and I have open kmsg file because .log files was empty). Here the screenshot What should I do?

ok ok, the 2 bootloader here https://github.com/ilmich/rkflashtool/tree/master/bin do You know of what type are? referred to legacy armbian, what is difference between bullseye and jammy? Both kernel are current and both are 5.15.80. I think it's bettere install legacy armbian to nand, and only after this flash armbian newest to sd (I think it's possible boot system directly from sd without install , true?)

so, it's impossible update bootloader? I want install the most recent image of armbian with gui (so I don't want android) and in first post is written that it's necessary update bootloader "For fearless and bold people who are having issues when (re)booting images, there is the chance to upgrade the bootloader on NAND". So I prefer update bootloader and after that install the most recent image. For the bootloader I should use one of the 2 files here https://github.com/ilmich/rkflashtool/tree/master/bin but now reading the steps on the first post I have discovered that only legacy armbian image can be used. Now, the new question is: what is the difference between bullseye and jammy? Jammy isn't available with gui? I'm not very expert about linux and flashing, I know only that bootloader is such a bios ... ok, where I can find this file (and how to reach destination if android no more boot)? What is the path? When I install the armbian image to make restore I have just copy and paste the files?

What do You mean for "i dont understand why only kernel that make no sense" ? here https://imola.armbian.com/dl/rk322x-box/archive/ there are only current version, so where are the legacy images? actually the box don't boot to stock android and I'm searching what image load you mean load android image? what are dts/dtb ?

@RaptorSDS can You help me?

so I should just insert microsd with multitool and I can start procedure of @jock ? What bootloader file should I load? in the first post, at section "Quick installation instructions on NAND" at point 2 is written "Burn the Multitool on an SD card; once done, place the Armbian legacy kernel image in images folder of the SD card FAT partition"... it's possible use only legacy kernel? ok, I'll try bookworm

how can I make this? In putty the last lines automatically appear, it's not SSH. What should I do ? Can You tell me from the log posted what bootloader file flash? I'm a java developer, sadly not always it's possible found a complete course from A to Z (for example, in linux, a course that cover vmlinuz, disk partition, boot (bios and uefi), virtual machine, dsa network config, ecc ecc) ... so I have fragmentated concepts ... to this add that I'm not a system administrator so it's easy forgotten also the basis. In electronic instead I don't know nothing (this is related to the UART problem). what do You recommend me? and what about <<standard (without nothing added)>>, xfce, minimal and wm ?

ok, I want install armbian but also multiboot doesn't worked very well... what step I should do? I think that is unuseful make a backup of a Android system damaged, so how I can make the bootloader upgrade described here https://forum.armbian.com/topic/12656-csc-armbian-for-rk322x-tv-boxes/?do=findComment&comment=121103 ? 2. For the bootloader file, I have a file named rk322x_loader_v1.10.256.bin but I don't remember where I have download it, can You tell me if I should download the updated file from here https://github.com/ilmich/rkflashtool/tree/master/bin ? and what file ? ? 3. After this, in first post isn't explained difference between images here https://imola.armbian.com/dl/rk322x-box/archive/ , so what is the difference between bookworm and jammy? and what are the differences between <<standard (without nothing added)>>, xfce, minimal and wm? It's explained only current, edge and legacy

device no more boot and load into recovery mode

done... what can You tell me about the issue?

hi, sorry for the late, I have finally linked ch341 programmer to uart ... here is the log where is the problem?