Author Topic: Flashing 622d v2 7.0.SP11 Downgrade  (Read 1459 times)

Offline klw_dev

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Flashing 622d v2 7.0.SP11 Downgrade
« on: October 08, 2021, 09:55:33 AM »
Hey all,

I am facing my next challenge by downgrading a unuseable 622d v2 with SW-Version 7.0.SP11. If I press any of the buttons I do only recognise a audio response but there is no response on the display although the display shows a menu or the start display.

My expectation is that the phone has a corrupt firmware version. I wanted to downgrade it with the USB Updatetool. But the software shows that there is no software available for that phone, although within the zip file were upk sfor 5.5 or 5.0.
Is there a possibility to flash the drive or another firmware anywhere which I could use to get the phone running?

Thanks for replys


 

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