For you the solution is to use the factory partition to the OTA and other partitition to main application updated with the factory partition, right?

Many thanks

I have some doubts about program size. The program is very simple, basically, is a client https to communicate with our servers and the program size is around the 900KB And this is a problem because I use a chip with 2MB and can't use the partition table with two OTA definitions. It is normal the pr...