ybkim Posted December 29, 2023 Share Posted December 29, 2023 (edited) Hello I use TV Box model Vontar X3 it has amlogic 905x3 with 4g ram and 1gbit eth I installed armbian bullseye in emmc and it works fine. but I want recover my TV box to original firmware USB Burning tool(Ver 2.2.4) can't get TV box driver I use USB A to USB A cable, and use toothpick with reset button but USB burning tool not work My tvbox just boot with armbian. Please help Edited December 29, 2023 by ybkim 0 Quote Link to comment Share on other sites More sharing options...
ning Posted December 29, 2023 Share Posted December 29, 2023 In my opinion, reboot to firmware flash mode or use reset key to boot to flash mode, this function need support from uboot, but this function is missing from mainline uboot. the only choice is use "MaskRom" mode to back to vendor OS. try to find M key or EMMC's CLK pin, short CLK to ground. example of M key. example of CLK pin on mainboard. 0 Quote Link to comment Share on other sites More sharing options...
ybkim Posted December 29, 2023 Author Share Posted December 29, 2023 I found in my board and it works thanks for your advice 0 Quote Link to comment Share on other sites More sharing options...
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