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By Ikarisan
#24058 Hi!

I have two ESP 8266-01 modules with AT v0.22 und SDK 0.9.5. I tried to update one of them to SDK 1.2 but now it won't boot any longer. :(

For flashing I used the NODEMCU Flasher and the binaries are from the "eesp_iot_sdk_v1.2.0" archive:

boot_v1.2.bin
user1.1024.new.2.bin
blank.bin (2x)

And I set up these offsets:

Code: Select allboot_v1.2+.bin           0x00000
user1.1024.new.2.bin     0x01000
blank.bin                0x7e000 & 0xfe000


But after flashing, the device no longer responds on serial connections. :(
The only solution was to flash an old "v0.9.2 all-in-one" binary file with offset 0x0.

It never works if I have to flash multiple files. :(

What am I doing wrong?