Good day list, I have a problem with ATA Handy Tone 286. It has been unsuccessfully downgraded via HTTP. Seems like during downgrade there was a problem with connection, because now it's not responding at all. There is no way to get to it's voice menu via phone (by pressing button on it). The button is just flashing ... Could anyone suggest any way to bring that device back to life. Thank U in advance.
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