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cipi65 · 07-23-2021, 03:43 AM

Hi,

In first place, I want to ask what Kindle model is this ? I did't find DP75SDI in any list.
Inside looks like an PW2 but with SIM slot.
Problem is ( I think ) with the firmware because when I turn on, the backlight lit and kindle startup page blinks time to time.
I try to reset, holding the power button for more than 5 minutes. When I hold the power button for reset the LED blinks orange, 5 times.
I left to charge more than 24 hours, and I verify the battery voltage, and is ok.
I have usb to serial interface ( TIAO USB ) but I did't find any firmware for this model.

Any advice would be helpful.

07-23-2021, 03:43 AM	#1
cipi65 Junior Member Posts: 4 Karma: 1032 Join Date: Apr 2021 Location: Romania Device: Kindle Paperwhite	Kindle Model No. DP75SDI Hi, In first place, I want to ask what Kindle model is this ? I did't find DP75SDI in any list. Inside looks like an PW2 but with SIM slot. Problem is ( I think ) with the firmware because when I turn on, the backlight lit and kindle startup page blinks time to time. I try to reset, holding the power button for more than 5 minutes. When I hold the power button for reset the LED blinks orange, 5 times. I left to charge more than 24 hours, and I verify the battery voltage, and is ok. I have usb to serial interface ( TIAO USB ) but I did't find any firmware for this model. Any advice would be helpful. Attached Thumbnails