Need delta firmware for EP06-E

I have several EP06-E in different location and i need to make firmware upgrade at distance.
can you send me Delta firmware for

Thank in advance

Hello, the production of subcontracting needs to be made internally, and the process is expected to be completed in about a week. Would you like to wait? If yes, I can ask for the internal production of subcontracting,thank you.

yes please, i have several customer.

What about my firmware ?

Hello i waiting my Firmware, can you tell me when i can have it ?
Thank for your help