Hi all, have an old S2750-28TP-PWR-EI-AC which had the flash system formatted (so missing the startup file). I created an account on support.huawei.com, registered the device, and downloaded S2750EI-V200R011C10SPC600.zip which is the latest firmware for the S2750-28TP-PWR-EI-AC. As the switch has no firmware I had to load this over serial, which even over 115200 baud took 4 and a half hours to transfer the 27MB firmware file (S2750EI-V200R011C10SPC600.cc). But once I try to change the startup file to the new filename, I get this:
``` Flash startup file (can not be cleared) current: s2750ei-v200r007c00spc500.cc new : s2750ei-v200r011c10spc600.cc
Error: The file is not a valid startup file. ```
Any ideas? There were no errors during transfer, really don't want to wait another 4 hours to try the same file again. There is an FTP client, but this is at a remote site and I'm removing into an old MacBook Pro with a USB<>Serial adapter to do this. No way I can get a local FTP running, the switch can't use a gateway so has to be on the local network :(
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