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By Rikesh Shakya
#87313 I have ESP12 chip that initially has ESP12 AT firmware as shipped. Suddenly, the chip stopped working. I tried different baud rates, but still I could not get it work properly. When I try AT commands on the chip, I get "OK" response for many commands, but I do not see that the configuration I set using those commands are actually set. I am trying to reprogram the chip using an application that I have written in ARM following firmware download protocol for the ESP8266(Note: I can program some other samples of same chip using my software, so I verified that the programmer works), however I could not get pass the Synchronization phase. Could it be the result of corrupted bootloader?