[edit] This thread is old, and possibly dead. Phone currently works only in rd-mode, but hw keyboard has many dead keys. Flashes, cold flashes, flashing with phoenix, all failed to prevent reboot loop, or fix keyboard. Advice from knowledable person(s) leads me to believe a serial flash (from nokia) may fix, but i still haven't got around to it.


Easier to understand format (i hope)

*Phone initially crashed when plugged into car charger and i tried to start mediabox. This is when it first entered the reboot loop.

*i had previously declined to update to pr1.3 over the air due to data restrictions from carrier

*i flashed using flasher-3.5.exe on win xp

*flashed using flasher-3.5.exe -F RX-51_2009SE_20.2010.36-2_PR_COMBINED_MR0_ARM.bin -f -R

*this didnt fix so i flashed again this time the emmc as well, i used
flasher-3.5.exe -F RX-51_2009SE_20.2010.36-2_PR_COMBINED_MR0_ARM.bin -f
then
flasher-3.5.exe -F RX-51_2009SE_10.2010.13-2.VANILLA_PR_EMMC_MR0_ARM.bin -f -R

*still no fix although all flashes were reported sucessful. I tried again for luck, even leaving off -R and restarting by taking battery in and out

*device starts as soon as battery is put in, and will enter reboot loop. There is no way to turn it off if the battery is in.

*i have tried using the verbose kernel kindly linked to by robbiethefirst but i can't read much of the displayed output. It appears the device initiates boot process then changes its mind and shuts down, then starts again.

*I can charge battery by holding "u" and plugging into wall charger, likewise flashing is no problem.

*i have only installed apps available in app manager.

things i am going to try:
-downloading the image file from robbiethefirst that should hopefully give a better understanding of the problem.

-re-downloading the image files from nokia in case they are corrupted for some reason.

-send the phone back and get a new one.

below is the original post i made:


Hi ppl,
I have searched a bit but havent found an identical problem, or any solution.
My phone is 3wks old, and i have only used the apps available in app manager. I did not update to pr1.3 over the air as i only had 50mb data allowance, and i have no internet access except dial up. The phone (internet tablet with phone capabilities...) entered the reboot loop when i had it plugged in to the car charger and tried to start media player. The loop displayed a dark screen with Nokia logo, and would diplay the flashing dots for about 3 cycles then the light would stop on 3rd dot. After reading similar posts on similar problems i downloaded both the update .bin files (RX-51_2009SE_20.2010.36-2_PR_COMBINED_MR0_ARM.bin & RX-51_2009SE_10.2010.13-2.VANILLA_PR_EMMC_MR0_ARM.bin) and the flasher utility. I can flash both images sucessfully however the phone will still not start, and the reboot cycle continues indefinately. I have tried starting it in rd mode and still get the same problem, however once it stopped on the 4th dot instead of the 3rd before rebooting.
I do not want to return the phone for warranty repair as i purchased it from an overseas importer (it came from hong kong, i think)
I am in australia.
I would like to try flashing with different/prior .bin files but the dialup connection means these downloads take 15-25 hours and the last 2 have failed at 90%...
thank you for reading this and i hope it has not been discussed anywhere else, all the posts i have read are solved by flashing.
cheers

Flash the pr1.3 image once more(don't flash the emmc again), then let it reboot. It will take a good 10 minutes to boot the first time if you do it right.

ok i assume with -R, will try now

how should the phone act on 1st boot?

at the moment it is still cycling, nokia screen (bright on first reboot then from then on dark), flashing dots (cycles back and forth through dots 9 times then will stop on 3rd or 4th dot), short vibrate then start again.

Something else to try is taking the battery out for a few minutes.

If that doesn't work, try taking it out again for a few minutes, then put it back in and without switching it back on try flashing again.

Yea, that seems bad.
I'll post more in a bit.

I'd try flashing a framebuffer kernel: http://mohammadag.xceleo.org/public/...-fb-omap1-pr13 Then, you can watch it boot up and see where it fails.
You'll need to use the -k option to flash a kernel.

ok but as soon as i put the battery in it tries to boot, i cant have it switched off with battery in. The on-off button appears to be working fine (clicks) but i dont know how to test, maybe it is stuck on?

only two ideas:
1. something goes wrong with the flashing. i see aou have the images and don't need to download them. if you flash both images don't use the -R on the first! so that you don't reboot inbetween the flashing. use the -R only with the second. with that use it, and order might matter.
2. the eemc and firmware don't match or are corrupted(you said you did the update via flashing so this is possible). unfortunately for you that would mean to find an internet connection and download the two images and make sure you have two that match(and i think there are regional differences but don't know what they are. to be on the save side i'd use one for your region).
try to flsh them without rebooting inbetween and reboot via flasher after the second.

don't know only two ideas....

I'd try my previous edit - watch as text appears onscreen during the boot process, and see where it reboots.

Lunat also has some good ideas.