If the firmware that is currently running on your Nokia n97 is bricked, it means that parts of the firmware are missing or damaged, therefore your Nokia n97 will not turn on. A mobile phone can get bricked when it disconnects itself from a computer, during a firmware update. Once a phone is bricked, you may thing that the phone is never going to work, well that is not true.
To unbrick your Nokia n97, you should apply a hard reset to the device before carrying out a further diagnostic. A hard reset will refresh the firmware and it will try to repair any damaged firmware files, without having to reflash the firmware. To hard reset your Nokia n97, simply hold these button: shift + space + backspace + power button. Continue to hold these button until the Nokia logo come displays on the screen.
If a hard reset didn't unbrick the Nokia n97, then you would need to reflash the firmware on the Nokia n97. Reflashing the firmware on any mobile phone basically means that the damaged firmware is going to be removed and replaced with new firmware. All you need to do is download the flash files for your product code and rm model, using Navifirm. Then using a usb cable and JAF to flash the Nokia n97 firmware, select the firmware files, tick dead usb mode and factory setting and then hit the flash button and the process will begin.
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