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how to fully reset/format n900 with pr 1.2

 
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paddycochrane
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PostPosted: Wednesday, 16.Jun.2010 17:39    Post subject: how to fully reset/format n900 with pr 1.2   Reply with quote   

Hi all,

My n900 is behaving really strangely (sounds stop working, running very slowly and battery running out in a few hours without much use), so im thinking about doing a full factory reset.

I found two options in the settings menu - restore original setting and clear device.

I would like to know if they completely restore the device to how it was when i purchased it? does it remove everything? and if it does, which version of the os will be installed, the original one or the newer pr 1.2.

If the neither of the above two setting do a complete and full wipe of the phone, can someone please provide me with an easy to follow guide on how to effectivly re-format my device so i can start again from stratch.

Cheers,

Paddy
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BentL
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PostPosted: Wednesday, 16.Jun.2010 17:53    Post subject: Re: how to fully reset/format n900 with pr 1.2   Reply with quote   

paddycochrane wrote:
I would like to know if they completely restore the device to how it was when i purchased it? does it remove everything? and if it does, which version of the os will be installed, the original one or the newer pr 1.2.

These two options are undocumented in the latest version of the user guide, so how much reformatting is done has to be tested. They will likely restore a device to the factory settings for a new device with PR 1.2.

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Bent Laursen
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RobinThomas
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Phone: W800i & Nokia 6600 -> N80 -> E50 & P990i -> HTC Touch Elfin -> HTC Touch Diamond -> SE Xperia X1 & Nokia 6120 -> Nokia N900

PostPosted: Thursday, 17.Jun.2010 03:22    Post subject:   Reply with quote   

To fully reset/format n900 with pr 1.2, u need to flash not only the OS but 32GB eMMC as well.

This is the way i do it in windows xp 32bit,

Fully charge the battery (IMPORTANT!!)

Go to http://tablets-dev.nokia.com/maemo-dev-env-downloads.php
download flasher-3.5.exe

install flasher-3.5.exe

Go to http://tablets-dev.nokia.com/nokia_N900.php
download RX-51_2009SE_10.2010.19-1_PR_COMBINED_MR0_ARM.bin (Latest Maemo 5 Global release for Nokia N900 )

after downloading copy RX-51_2009SE_10.2010.19-1_PR_COMBINED_MR0_ARM.bin to the (flasher-3.5.exe)installed directory/folder ("%ProgramFiles%\maemo\flasher-3.5")

run "Command Prompt"
type in cd "%ProgramFiles%\maemo\flasher-3.5"

then type in

flasher-3.5.exe -F RX-51_2009SE_10.2010.19-1_PR_COMBINED_MR0_ARM.bin -f

it will say no device found

Connect the USB cable while pressing 'u' key on the N900

Do not use the -R option while flashing FIASCO image it will Reboot the device.

NOKIA says "NOTE: Always flash the FIASCO image first, then the eMMC image immediately after that. Never boot up the device between flashing the FIASCO image and the eMMC image!"

The update will take about 3 minutes

after flashing is complete type in

flasher-3.5.exe -F RX-51_2009SE_10.2010.13-2.VANILLA_PR_EMMC_MR0_ARM.bin -f -R

Now the eMMC image will be flashed and reboot the device, once the NOKIA screen is visible disconnect the usb cable.

Now your N900 is as good as newly purchased one, on software part.

You can get more info here: http://wiki.maemo.org/Updating_the_tablet_firmware
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ceroberts75
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PostPosted: Thursday, 17.Jun.2010 05:25    Post subject:   Reply with quote   

restore settings is just going to take you to original settings of the device and erase the memory of the settings.


clear device is "supposed" to be a complete wipe of the emmc. so settings, files, etc are supposed to be wiped.


i have not tried either as i have not needed to, but that is what my understanding is.
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paddycochrane
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PostPosted: Thursday, 17.Jun.2010 14:22    Post subject: cant flash eMMC!!!   Reply with quote   

Many thanks for the instructions. I followed them and had no issues flashing the firmware. However when i came to flashing the eMMC things started to go wrong.

I did as instructed, however while the phone was being flashed it appeared to crash/freeze. The PC said USB device not found. I tried it a couple of times however the same happened each time.

I rebooted the phone, I was surprised to see that it actually rebooted normally. All my apps were gone as were most of my settings, however all my data is still intact. I suppose this is consistent with what i did. Flash the firmware and not the eMMC where all my data is stored.

Does anyone know why i was unable to flash the eMMC? Any tips as to how i can get it to work?

Other than user data, what is stored on the eMMC? the reason i wanted to flash the whole phone in the 1st place was to resolve a few performance issues i was having. Does the eMMC store any apps or settings that could inadvertently effect the performance of the phone. for example a widget that drains power quickly etc...

Many thanks,

Paddy C
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Rob1n
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PostPosted: Thursday, 17.Jun.2010 14:43    Post subject:   Reply with quote   

The eMMC includes the /home/user directory, so that will mean all the configuration settings are kept. All apps/widgets themselves are either on rootfs, or are wiped after flashing the rootfs, so you don't need to worry about those.
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Woj2007
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PostPosted: Saturday, 11.May.2013 15:33    Post subject:   Reply with quote   

Hi Guys,

Since my N900 started to show some issues (gallery not working, Docs to go not working, email crashing) I decided to reflash it. However, the link for latest image

http://tablets-dev.nokia.com/nokia_N900.php

doesn't work.
Do you know about some new link?
Also, does anyone have the installation package for documents to go? Dataviz doesn't support it anymore, and it disappeared from the Nokia Store.
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Michal Jerz
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PostPosted: Wednesday, 22.May.2013 04:31    Post subject:   Reply with quote   

I'm sorry for replying that late... I somehow missed your post. Have you already managed to find the files?

The official Nokia page with firmware downloads for the tablets doesn't work, and it doesn't look that Nokia ever cares to fix it. However, there is a mirror with all the files:

http://skeiron.org/tablets-dev/nokia_N900/

Grab them and save them securely for future use while they're still there!
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The following users say THANKS! for this post: Woj2007

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