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Posts: 253 | Thanked: 277 times | Joined on Jan 2012 @ Madrid, Spain
#11
Hi.
I'm currently trying this out.

My first N9 died a week ago and couldn't charge it anymore. Reading the posts here I decided to buy a new battery, but the thing didn't work either......maybe it's wishful thinking but there may be another internal battery inside the device apart from the main one, and it is discharged?

Fortunately I happen to have a USB controlled USB switch and now I'm powering it on and off in duty cycles with 26 seconds on and 4 seconds off.

Let's see what happens.

Regards.

PS: The USB device is this.
 
Posts: 253 | Thanked: 277 times | Joined on Jan 2012 @ Madrid, Spain
#12
Hi.

After a lot of hours of charging and trying the device won't boot. I've been searching high and low for information about cold flashing my N9, but I have only found good information for the N900.

This is what I do to cold flash it:
Code:
user$ sudo flasher -f -F DFL61_HARMATTAN_40.2012.21-3_PR_LEGACY_009-OEM1-958_ARM.bin --flash-only=nolo -c
flasher 3.12.1 (Oct  5 2011) Harmattan
WARNING: This tool is intended for professional use only. Using it may result
in permanently damaging your device or losing the warranty.

Using 1st image to detect HW
Suitable USB interface (bootrom) not found, waiting...
USB device found at bus 001, device address 056.
Device identifier: (null) (SN: N/A)
Waiting for ASIC id...
Got 69 bytes.
ASIC ID:
05 01 05 01 36 30 07 07  13 02 01 00 12 15 01 7d 
ab c6 ea 0d 96 c9 60 c3  cd 15 c5 0d 72 76 a1 d6 
18 df 52 14 15 01 12 dd  2f 66 d4 55 fe 19 2c 62 
b9 b8 e2 65 0a fc 1d 9f  3f 90 15 09 01 13 bf 3e 
ef 15 52 e7 03 
HW variant: HS
Found matching 1st (916)
Sending 1st image (26496 bytes)... done.
Sending HWID query... usb_bulk_read: Resource temporarily unavailable
timeout!
failed.
Sending HWID query... usb_bulk_write: No such device
write: No such device
failed.
Sending HWID query... usb_bulk_write: No such device
write: No such device
failed.
Sending HWID query... usb_bulk_write: No such device
write: No such device
failed.
ERROR: When cold flashing, please supply 1st image OR specify hardware type
From this I draw the conclusion that the battery is fine and the USB port is also OK, but I have run out of tests to bring it back to life.

Can anyone point me to a good source of information about this 'cold flashing' stuff? As I said before I tried the info available here for the N900 but the flasher has different options....

Regards.
 
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