I've a question about possibility to edit some AT commands in firmware, if it's possibile and where to start. I've checked and found some custom AT firmware, but I want to use original to be sure that it'll work. It's possible?
I've a question about possibility to edit some AT commands in firmware, if it's possibile and where to start. I've checked and found some custom AT firmware, but I want to use original to be sure that it'll work. It's possible?