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Hi Rick,
what I read from your mail is:
– Wifi seems to work, but the App does not connect most of the time
– Flashing the firmware seems not to work, as the wifi password did not reset
I am still unsure whether the problem comes from the K2 itself or is an issue with the App/phone. So I would like to first addess the problem flashing the firmware.
… the password that I had changed as indicated in my previous emails, remained the same and never returned to the factory data 12345678, despite the formatting of the sim card?”
Formatting the SD card has nothing to do with the wifi password.
To flash the firmware, do as following:
– Put the sd card into your pc and format it in FAT32
– Put the firmware file into the root folder of the sd card and make sure it is named K2.bin
– Insert the sd card into the DVR and start it up.
– Wait for the flashing process to finish. You can find a video of how the leds will look like while flashing here: https://www.youtube.com/watch?v=RDCpff1fOWk
For your other issues, I would like to get some more information of your K2. There is a special firmware which enables a logging feature. With this firmware installed, the K2 will write its console log to the sd card while running, which would give me some information about what might be wrong on your K2.
You can find the firmware on my dropbox, where I also saved all original K2 firmware files
The Logging-Firmware is called “K2-V71_with-Logging.bin”, which must be renamed to K2.bin when saved on the sd card. It can be flashed as decribed above.
When flashed, simply start the K2 and try to connect to it, like you did the last days. After that remove the sd card, but the logging files in a zip and share it with me.
When done you can flash the latest original firmware (V70), which you will also find in my dropbox.