[ RK3288 ROM ] Insignia Flex Elite LP 5.0.2 custom root firmware (2015/08/08) - Forum

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[ RK3288 ROM ] Insignia Flex Elite LP 5.0.2 custom root firmware (2015/08/08)

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Oma7144

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2015/08/09 - 14:35

Gents,

Just playing around with a dump of the stock firmware V01.00.09 😉

Thanks to Dan EE for providing the dump!

Oma Flex Elite LP 5.0.2 build v1.0

– stock recovery 5.0.0
– CrewRKTablets recovery TWRP 2.8.4.0
– sekernel #137 preempt 17 Jun 2015
– latest su, su-binary, busybox
– Reboot Menue
– Soft Volume Buttons

hints:
– instructions are included in the download pack
– to enable development options tap 5 times on build number
– to improve UI feeling: disable all animation scales in developer options,
…use Nova launcher and set animation/scroll to “faster than light” and
…enable Entropy Fixer with value 256
– Oma's favourite apps for LP

Be aware: it is your own risk!

– Oma -

Attachments

084.jpg (123 KB)
v1.0_01-1.png (82 KB)
v1.0_02-1.jpg (985 KB)
v1.0_03-1.jpg (334 KB)
v1.0_04.png (133 KB)
v1.0_04a.png (113 KB)
v1.0_05.png (166 KB)
v1.0_06.png (176 KB)
v1.0_06a.png (181 KB)
TWRP_01-1.png (90 KB)

The following users say thank you to Oma7144 for this useful post:

graphdarnell

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Dan EE

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2015/08/09 - 18:38

Oma,

I still have not had any luck flashing a partition even going straight the rommask. I enter the rommask by pushing the rest button through the pinhole while holding down the +volume button. I am running Windows 7 on the PC and launching the AntroidTool with admin rights.

Dan EE

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2015/08/09 - 18:49

I can transfer files as a media device MPT

Oma7144

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2015/08/09 - 18:58

Most likely a driver issue. Use the included Driver Assistant. De-install driver first, then install again.

- Oma -

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Dan EE

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2015/08/09 - 19:28

Done, No change. I have verified the rockusb.sys file in windows/system32/drivers matches the one included with the RKDriverInstaller.

Dan EE

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2015/08/10 - 00:20

Oma,

I can read the eMMC ID, info and the sectors with the Linux upgrade_tool. Still no luck with the with the lower format or writing anything. It fails the TestDevice command. I think that the eMMC is locked and I don't have enough info to get by this.

Dan EE

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2015/08/10 - 03:12

I have not been able to get to the maskrom no matter what combination of reset, volume up, volume down or power on combination I try. It always goes to loader mode. I think the loader may be a special version that won't let me write to the eMMC.

Oma7144

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2015/08/10 - 17:45

Dan EE said
I ran into a snag. It won't lower format the e-MMC. It just stays at 0%. It also reports "Device Test Start" and "Device Test Fail" If I try to flash a partition.

From the other thread ... is the tab still booting?

- Oma -

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Dan EE

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2015/08/10 - 19:04

Yep, still boots. If I could brick it, it should go to the rom mask loader. It may need a signed update.zip to get a rom onto it. I could try to ground the recovery pin on p21 of the processor. This would take a bit of effort and would be impossible if there's no via to scrape and mag wire to.

Oma7144

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2015/08/10 - 19:06

Pls try:

adb reboot bootloader

- Oma -

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Dan EE

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2015/08/10 - 19:33

Done that, same result. After looking at the firefly wiki, they actually ground the eMMC clock to force it into maskrom.

Oma7144

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2015/08/10 - 19:40

One step back. Pls check the usb driver: http://www.nirsoft.net/utils/usb_devices_view.html

Flash driver is: VID_2207&PID_320A

- Oma -

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Dan EE

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2015/08/10 - 20:01

I can't get to the website now. The VID=2207,PID=320A in device manager and Linux when in bootloader. Matches .inf file for a 3288. I am at work now and I am pretty sure about the PID. It may be 310A? I tried using a bootable image of firefly 4.4. It hung which may be promising since it doesn't have the LCD driver. Maybe a bootable TWRP image?

Oma7144

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2015/08/10 - 20:13

Sorry, VID_2207&PID_320A is the correct one for RK3288.

I would like to know if the tab gives this ID in flash-loader modus (all cable plugged, Reset, then Power & Vol+) and if the ID gets lost while action in the flash tool.

- Oma -

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Dan EE

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2015/08/10 - 21:13

I don't think it does. I would hear the Windows tone when it disconnects and reconnects. I will check it again tonight.