Upgrade mikrotik routerboard firmware5/15/2023 ![]() So sad that mikrotik support is oriented for sales, not for support at what it must be. After that, in most cases device will react on reset button and you can reflash it in a normal way via netinstall. ![]() In most cases problem hide in ~ first kilobyte of data, you'll need to know what version of routerboot on your dead device and insert the piece of code from the same version of working dump. Another way to repair - edit 25-flash dump. So, most simplier way to repair sofware problems is cloning both chips, but in result you'll been have absolutely identical devices (MAC's and serials). License isn't CPU specific, i've replaced over few hundreds SoC (AR724*, AR9344-*) without any hardware or firmware modifications and all works fine. Any modifications of code will cause a license failure. On SXT devices, license stored in both nand and 25-flash chip, on boards with only one flash memory chip, license stored in flash and OTP-area of that flash chip. Maybe i need initiate the connection? If anyone knows, tell me please how it should work, then i solder cable. Serial console method i'm not tried, but i think it doesn't work, because i'm not seen any signal pulses on "E-JTAG" and "UART" testpoints. To do the above actions without loading the backup loader, push the button right after applying power to the device.Īs i said before, "USER LED" no lit, no flash, anything. Note: If you hold the button before applying power, backup RouterBOOT will be used in addition to all the above actions. Or Keep holding the button for 5 more seconds until until LED turns off, then release it to make the RouterBOARD look for Netinstall servers (total 15 seconds) Keep holding for 5 more seconds, LED turns solid, release now to turn on CAPs mode (total 10 seconds) Hold this button during boot time until LED light starts flashing, release the button to reset RouterOS configuration (total 5 seconds) RouterBOOT reset button has three functions: Code: Select all RouterBOARD reset button
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