Ar750s uboot problem

[glinoob]

One thread to rule them all: GL AR750S (Ext) Slate - Firmware Update Problems

Hey there, I’ve just had a heck of a time trying to debrick a GL-AR750S-Ext (Slate) router, and thought I would collect my observations in one place because I had to search through like 15 threads on this forum to figure it out. I do finally have a working Slate with the latest 3.212 firmware, but I had to try, try again, give up, and try again some more before arriving there. If you are experiencing the following problems updating Slate firmware: In UBoot update, update hangs with “UPDATE I…

possible other clues:

Cannot uboot a new firmware to AR750S-EXT

hello, thanks, when trying to uboot a new firmware, openwrt-ar750s-3.212-0407.img. each time i try, i get the following error UPDATE FAILED Something went wrong during update Probably you have chosen wrong file (too big or too small) or you were trying to update ART on device with unknown FLASH type (and size) which is not allowed. Please, try again or contact with the author of this modification. You can also get more information during update in U-Boot console. so far i have tried. — made…