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ClockworkMod (CWM) Recovery easy install for RK3066 and RK3188 -- TWRP/CWM Flash-Tool and root for RK3288

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FNF x2 bricked
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xaurion
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2013/08/09 - 20:12
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Hi friends, I need you help.

Today I received my new FNF x2 tablet, and when I went to upgrade, I did a mistake and push volume- and power, the tablet show a fast letters, i thing that it was a recovery mode, but very fast go away and it already doesn't boot. When power on, it freeze in 5FNF boot screen.

I tried to enter to flash mode (vol+ and connect usb), and I can enter and load the new rom, but no success, still in white screen win blue letters 5FNF.

I also tried to load original rom, but I didn't have lucky.

Please, someone know the way to solve this problem? Or I will need contact with the seller... I sure that they say that I need return the tablet to china :(

Cheers and thanks!

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TecKnight
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2013/08/11 - 18:48
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xaurion said
Hi friends, I need you help.

Today I received my new FNF x2 tablet, and when I went to upgrade, I did a mistake and push volume- and power, the tablet show a fast letters, i thing that it was a recovery mode, but very fast go away and it already doesn't boot. When power on, it freeze in 5FNF boot screen.

I tried to enter to flash mode (vol+ and connect usb), and I can enter and load the new rom, but no success, still in white screen win blue letters 5FNF.

I also tried to load original rom, but I didn't have lucky.

Please, someone know the way to solve this problem? Or I will need contact with the seller... I sure that they say that I need return the tablet to china :(

Cheers and thanks!

xaurion,

It should be nearly impossible to brick a Rockchip based tablet, since the chip can be forced into flash mode even when it's boot image has been totally corrupted.

In the case of the iFive X2, if power is applied to the tablet via the micro USB connector while the volume + is held down, the tablet should kick into flash mode and be visible to a connected Windows based PC. The tablet will not display an image on it's screen yet, but this is normal when a device is in flash mode.

At that point you should be able to use Rockchip's Batch tool 1.7 to flash a valid firmware image to the tablet.

I have some step by step instructions here:

FNF iFive X2 flashing guide

 

 

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xaurion
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2013/08/11 - 19:06
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Thanks, but I already do that, I am able to put device in flash mode and load the new rom, but when it reboots nothing happend, reading your guide, I should be able to reboot in recovery mode but that doenst happend.

I don't undestand what happend, the tablet is in an uknown state, when I try to open it normaly, it hangs in the first boot screen.

Any sugestions??

 

 

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globula_neagra
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2013/08/11 - 19:17
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flash the tablet using linux with rkflashtool


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TecKnight
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2013/08/11 - 22:27
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xaurion said
Thanks, but I already do that, I am able to put device in flash mode and load the new rom, but when it reboots nothing happend, reading your guide, I should be able to reboot in recovery mode but that doenst happend.

I don't undestand what happend, the tablet is in an uknown state, when I try to open it normaly, it hangs in the first boot screen.

Any sugestions??

 

 

It sounds like your recovery partition may be corrupted, which would explain the problems you are having, since the Batch Tool boots into recovery to flash any partition except for recovery.

Let me ask you a question. When the Batch Tool finishes applying the image and reboots your X2, do you see a green Android image on your X2's screen ? or just a black screen ? or the initial boot graphic with a 5 ? I am specifically asking what appears after the Batch Tool reboots your X2, not when you reboot it after that.

You may need to flash a stock recovery to your tablet, and THEN flash a valid image. Let me see if I can separate out a stock iFive X2 recovery image for you and post a link here.

 

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xaurion
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2013/08/11 - 23:50
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When the batch tools finishes, and reboot my x2 I don't see any green screen, only the initial boot graphic with 5.

Very thanks tecknight for your help!

 

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TecKnight
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2013/08/12 - 23:30
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xaurion said
When the batch tools finishes, and reboot my x2 I don't see any green screen, only the initial boot graphic with 5.

Very thanks tecknight for your help!

 

I tested mine when I did reboot recovery.

It started with the 5 image followed by the green android on his back, which is expected when batch tool has not properly queued up a batch for recovery to run.

This means your recovery partition is definitely hosed.

The problem is, the Windows based Batch Tools 1.6 and 1.7 (the only Windows based tools that can image an RK3188) only support imaging the entire device at once, unlike some earlier versions of the Batch Tool.

The only way to flash a single partition to an RK3188 based device would be to use the very latest released version of the linux based RKFlashTool. This would require someone with a working iFive X2 use the very latest released RKFlashTool to save a binary image of their recovery partition using a linux system and then post the image.

You would then have to download the image and use the very same utility also from a linux system to restore your recovery partition.

Before you try to do that, I would suggest trying a couple of things first that might potentially restore your recovery partition.

#1. Download some additional (older) factory firmware images and try restoring them using the Batch Tool.

All of the factory firmware images should have a valid, functional recovery partition. Maybe your image is corrupted somehow, preventing the recovery image from being restored.

#2. Try clearing the flash before restoring the image. You do this by clicking the clear button in the Batch Tool. It should then wipe the nand flash by writing all zeroes to it. Once the clear completes, try restoring your image. 

If neither of these work, you will have to find someone who has a linux system and can use the linux based RKFlashTool to pull the entire recovery partition from a working iFive X2 and post the image for you. You will then have to use a linux system with the linux based RKFlashTool to restore your recovery partition.

As far as I am aware, this is the only version of the RKFlashTool that supports the RK3188 processor that is in the iFive X2.

https://github.com/Galland/rkflashtool_rk3066

 

 

 

 

 

 

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globula_neagra
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2013/08/12 - 23:43
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@TecKnigh
Dumping your recovery via adb will be the same using the linux method.

Also here http://www.arctablet.com/blog/forum/firmware-development/dumping-firmware-on-arnova-g2-arnova-g3-and-other-rockchip-based-tablets/ you can find more information about dumping a firmware, how to add support for different chipsets and so on.
The rkflashtool support for other type of chipsets it is added before compiling, so you can do it yourself by editing some lines in rkflashtool.c
The flashing procedure is simple, instead of

sudo ./rkflashtool r

You will use

sudo ./rkflashtool w

The following users say thank you to globula_neagra for this useful post:

TecKnight
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TecKnight
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2013/08/14 - 13:55
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globula_neagra said

@TecKnigh

Dumping your recovery via adb will be the same using the linux method.

Also here http://www.arctablet.com/blog/forum/firmware-development/dumping-firmware-on-arnova-g2-arnova-g3-and-other-rockchip-based-tablets/ you can find more information about dumping a firmware, how to add support for different chipsets and so on.

The rkflashtool support for other type of chipsets it is added before compiling, so you can do it yourself by editing some lines in rkflashtool.c

The flashing procedure is simple, instead of

sudo ./rkflashtool r

You will use

sudo ./rkflashtool w

Thanks so much for your help. globula_neagra,

I was able to extract my working stock recovery via the following commands:

1|root@android:/system/xbin # cat /proc/mtd

cat /proc/mtd

dev:    size   erasesize  name

mtd0: 00400000 00004000 "misc"

mtd1: 00800000 00004000 "kernel"

mtd2: 01000000 00004000 "boot"

mtd3: 02000000 00004000 "recovery"

mtd4: 04000000 00004000 "backup"

mtd5: 08000000 00004000 "cache"

mtd6: 100000000 00004000 "userdata"

mtd7: 00400000 00004000 "kpanic"

mtd8: 20000000 00004000 "system"

mtd9: 2aac00000 00004000 "user"

1|root@android:/system/xbin # dd if=/dev/mtd/mtd3 of=/sdcard/iFiveX2recovery.img

=/sdcard/iFiveX2recovery.img

65536+0 records in

65536+0 records out

33554432 bytes transferred in 17.498 secs (1917615 bytes/sec)

root@android:/system/xbin #

 I then uploaded the image to here:

http://dl.miniand.com/opinions-on-teclast-p90hdcknight/iFiveX2Recovery.img

As there is no Windows based Rockchip utility capable of writing a single partition to an RK3188 based device, I decided to play around with the Rockchip Batch Tool ver 1.35, a utility which is capable of flashing a single partition, but only to RK3066 and older devices. I modified the setting.ini file, changing this:

[DEVICE_ID]

VID=

PID=

to this:

[DEVICE_ID]

VID=2207

PID=310B

The utility now sees my iFive X2 in flash mode and will flash a single partition to my tablet.

I have created a preconfigured iFive X2 Flasher, which includes the recovery image and the preset Rockchip Batch Tool 1.35. You should be able to simply connect your X2 in flash mode, extract the zip to a folder, then run:

RKAndroidTool.exe

You should see:

iFive X2 Flasher screenImage Enlarger

 

Then simply click the Flash ROM button.

 

The iFive X2 Flasher is available here:

http://dl.miniand.com/opinions-on-teclast-p90hdcknight/iFiveX2Flasher.zip

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globula_neagra
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2013/08/14 - 14:05
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The recovery can be flashed back with the command
dd if=/sdcard/iFiveX2recovery.img of=/dev/mtd/mtd3
sync

This works only on rooted tablets, for ones not rooted, linux is the only way.

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TecKnight
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2013/08/14 - 14:41
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I updated my iFive wiki with the latest details here:

https://www.miniand.com/wiki/NAND+flash+partition+layout+and+binary+stock+recovery+image

xaurion,

Please try this and let us know your results.

I haven't actually tested this as I saw no reason to risk potentially corrupting my recovery partition, However, in your case there is little risk as your recovery partition clearly is already corrupted.

After you restore your recovery using this tool, try reflashing a full image using the Batch Tool 1.7.

With luck, it will then boot into the newly restored recovery and apply the full image.

TecKnight

 

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