If you use the tasmota console, and both tasmota-minimal.bin and tasmota.bin are on the same location (https://thehackbox.org/tasmota/) it gets done automatically. I’ve upgraded more then 40 devices.
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yes with that you can specify the minimal and the full and it does them sequentially. Tasmoadmin does that as well.
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I really enabled SetOption19, but the device wasn’t discovered. I flashed old sonoff-basic file to my sonoff mini, so I can’t access to DIY method anymore…and I am not sure if sonoff-basic.bin is the same as tasmota-minimal.bin. To be sure… should I download last flash tasmota-mininal.bin file, and flash it from tasmota menu, and then upgrade to last tasmota.bin? Is this the right way?
That is a way to do it.
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It worked. Now I got tasmota.bin flashed in my sonoff mini devices and the devices are discovered. Thanks.
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Can you please help me? I flashed the sono mini with the tasmota minimal using the application for windows. It said it was successfully completed and the sonoff will reboot, but I could close the screen. After that my sonoff don’t give any signal of working. I saw that a YL named network show up…it is open…I connected to it but nothing happens…I don’t know how to do now. Please help me.
After reeding some answers here I flashed with the minimal.bin firmware and now I don’t know what to do. There is no Wifi AP named “tasmota_XXXXXX-####” (where XXXXXX is a string derived from the device’s MAC address and #### is a number) like as said in the Tasmota page.The only Wifi that showed up is named YL.
After I saw the wifi network was not created as I was thinking I read in the Tasmota page that the Minimal version allows intermediate OTA uploads to support larger versions and does NOT change any persistent parameter. This version should NOT be used for initial installation.
Please someone help me.
I don’t have FTDI board and I don’t know how to use it. Did I lost my sonoff mini?
Thanks
How did you flash it without a serial connection? (FTDI board)?
The sonoff mini is flashable OTA, you just have to change a jumper and use itead software.
I flashed it using the tool for windows that itead provided. It uses wifi and has a limit to 500kb. I used the minimal firmware because it was less than 500kb. I don’t have a serial connection. I saw in many videos that you can do by wifi, but they didn’t teach well in these videos.
I did that…but I flashed using the minimal.bin firmware. There is no tasmota_xxxx wifi network showing. There is only a YL named network and I don’t know what to do now. Can you help me? Please.
I have one lying here on my desk to. The only way to save it is flash it serially, one way is to solder some wires on those pads, but I only managed to solder the pads loose from the pcb 
There seems to be another solution to flash it serially, using pogo pins, but for mine that is late already.
I saw the video after flashed with the minimal firmware. My only option now is to use a serial board? Thanks.
francisp
Can’t I use a ftdi board and jumper wires?
You need a ftdi board. But there are no holes to use dupont wires. So it’s either solder your jumper wires on the pads, or using pogo pins (connected to dupont wires)
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Dupont wire is a jumper wire right? I can’t find cheap pogo pins here in Brazil. Only packages with 50…60…and I just need 4. Can I use this cable that I found here in my stuff, cutting the bottom and soldering it to the sonoff?
https://ibb.co/3hch3Sf
That must work.
Thanks. I will have to buy the ftdi board and a soldering iron. Any specific model of soldering iron? I saw it is very small. The pogo pin would be perfect.
Do you have an Arduino board? You can use the serial port on it if you don’t have a dedicated serial adapter.
I will get the ftdi ft232r board today. I will get a 3d support for the mini too…so I don’t need to sold (it’s too small and I don’t have the tools for that).
Since I installed minimal.bin…after connecting with ftdi board…what should I do? Is the procedure the same as if the sonoff was still with the original firmware?
Thanks.
Edit: Francisp, thank you! It worked. I can’t reply anymore because it says I reached the reply limit for begginers. Now I’m using the sonoff mini with tasmota on the smartthings hub (home assistant is to complex for begginers). The physical switch is working too, but I had to change a config…something like GPIO4 swith 1 (9).
But I have two more questions. There is no blue light when its connected anymore. There is just a red light when I turn it on. How can I set this blue light again, as it works with Itead firmware and Ewelink app?
How can I set the power return state? I want it stays off when the power is back.
Thanks.
Edit2: It sucks I can’t replay more than 3 times.
Francisp, thank you again for you help and time. I put the template you said, but I had to change the LedPower and LedState through the console too.
About the power reset state, I managed to make it work on the console like you said. I hadn’t seen the console on the webUI. The problem is I’m not a home assistant user (too complicated for begginers and non-technical users). I’m using samsung smartthings hub. The smartthings application receives the response state from the device, it’s working, but when the power is off and back, the application keeps the last state. So, if the sonoff is on (application shows on) and the power is off and back, the sonoff is now off because I changed the power reset state, but the application says it’s off until I click in the device again. I now you probably don’t know about the samsung smartthings, but there is no cost to ask. Do you know how to make the application show the correct state after a power reset?
Thanks.