I did something wrong because I did not read very well the procedure so I'am in the deep s.....
Sorry pio_masaki, you writed in red DO NOT LOCK THE BOOTLOADER ON A CUSTOM ROM! but I read it after so it's my fault. I locked my bootloader after unblocked it and I put soe CWM update. With a few hope I did this post.
Now on my tablet I got :
Erasing cache before SD update SD update cmd: update recovery - update_package=SD CARD: update.zip Boot recovery kernel image Recovery verified failed
< waiting for device >
I Try to put Acer_AV041_A100_1.014.00_WW_GEN1.zip as update.zip file on my Micro SD card. That doesn't work anyway.
Is there a tiny tool for fix that?
Thanks for your help.