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Custom rom for rk3026

looking for advice

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ptolemaeus

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2015/02/12

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2015/02/13 - 05:18

Hi guys,

i would like to run kitkat on my tab or if not possible with this kernel wich one do you suggest?

I have made a backup of original firmware.

How can i know the loader version?

Kernel: 3.0.36+ yudongsheng@ubuntu #435
Build: rk3026-eng 4.2.2 JDQ39 eng.yudongsheng.20140905.164945 NTP

parameter

FIRMWARE_VER:4.2.2
MACHINE_MODEL:rk3026
MACHINE_ID:007
MANUFACTURER:RK30SDK
MAGIC: 0x5041524B
ATAG: 0x60000800
MACHINE: 3066
CHECK_MASK: 0x80
KERNEL_IMG: 0x60408000
RECOVER_KEY: 1,3,0,7,0
CMDLINE:console=ttyFIQ0 androidboot.console=ttyFIQ0 init=/init initrd=0x62000000,0x00800000 mtdparts=rk29xxnand:0x00002000@0x00002000(misc),0x00004000@0x00004000(kernel),0x00008000@0x00008000(boot),0x00010000@0x00010000(recovery),0x00020000@0x00020000(backup),0x00040000@0x00040000(cache),0x00200000@0x00080000(userdata),0x00002000@0x00280000(kpanic),0x00100000@0x00282000(system),-@0x00382000(user)

Oma7144

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2015/02/13 - 06:44

Upload boot.img, kernel.img and recovery.img. Also pls provide a dmesg log. Btw has the tab a name?

- Oma -

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ptolemaeus

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ptolemaeus

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2015/02/13 - 15:21

Sorry for the lack of info... was late night, brain shutting down.

Model: rk3026
CPU: Dual-core ARM7 Cortex-A9 1.0 GHz
GPU: ARM Mali-400 MP2
RAM: 512 MB
Wireless: Expessif Systems ESP8089
Res: 800x640

No. There is no brand in this tab.

I will provide the dmesg log later due to lack of time atm.

--edit--

I'm can't access system:

adb root
adb is already runnig as root

adb devices -l
0123456789ABCDEF recovery product:rk3026 model:rk3026 device:rk3026

adb get-state
recovery

adb remount
remount failed

adb shell
#dmesg
/sytem/bin/sh: dmesg: not found

Oma7144

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2015/02/13 - 21:11

Hm, the tab without name ... got the same question over on xda from a guy named mega-samu.

- Oma -

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ptolemaeus

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2015/02/13 - 21:27

I'ts not me although they are giving away tabs like this one here in Portugal. It's a consumer association (Deco) promotion where you have your tab for 2€. I paid one month subscription so the final cost for me was 8.59€. Still, i think it was worthwile (so far:). Maybe another tuga guy trying to get a decent rom i supose..

Do you have an idea how i can get access to the system?

Oma7144

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2015/02/13 - 22:14

I have got everything I need from the other guy. What is the best name for the tab? Deco tab?

- Oma -

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ptolemaeus

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2015/02/13 - 23:24

Yes, that would be the closest definition of the distributor.

Oma7144

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2015/02/14 - 10:18

Promo tab in Spain and Portugal ... here we go : http://crewrktablets.arctablet.com/?wpfb_dl=2452

- Oma -

Attachments

v1.0_01-1.png (62 KB)
v1.0_02.png (757 KB)
v1.0_03.png (639 KB)

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ptolemaeus

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ptolemaeus

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2015/02/14 - 14:46

Looks nice. I will test it and give feedback.

Just for clearance, is it possible to get kitkat running with this tab?

Oma7144

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2015/02/14 - 14:48

Negative, KitKat needs a selinux kernel.

- Oma -

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ptolemaeus

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2015/02/14 - 14:53

Ok. I will test it later on.

If i revert to stock will the loader be compatible?

Oma7144

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2015/02/14 - 14:57

Yes.

- Oma -

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Oma7144

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2015/02/14 - 17:46

Ok, now documented here: http://www.arctablet.com/blog/forum/crewrktablets-rk3026-entwicklung-und-customroms-development-and-croms/rom-nameless-2-euro-promotion-tab-android-4-4-4-kitkat-custom-root-firmware-20150213/

- Oma -

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

ptolemaeus

Per aspera ad astra, we rock the Tablets !

If you like our firmwares, please consider making a donation to support our work.
Thank you!

ptolemaeus

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2015/02/15 - 01:06

Ok, i will check with you there then.

lifesaver

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2015/02/19 - 12:26

Hi Oma,

I have tablet Supertab 701 with this parameters:

Rockchip 3026 Cortex A9 1.0 GHz Dual Core
Screen: 7" HD 1024x600 pixel
OS: Android 4.2 Jelly Bean
RAM: DDRIII 512 MB
Built in memory: 4 GB
Camera: 0.3 MP
Support audio files: MP3, WMA, MP2, OGG,AAC, M4A, MA4, FLAC, APE, 3GP, WAV
Support video files: AVI(H.264, DIVX, DIVX, XVID), rm, rmvb, MKV(H.264, DIVX, DIVX, XVID), WMV, MOV, MP4(H.264, MPEG, DIVX, XVID), MPEG, MPG, FLV(H.263, H.264)
Support 1080P video
Wi-Fi: 802.11 b/g/n
Battery: 2000 mAh / 3.7 V
Flash 11
- MicroSD slot
- 3.5 mm jack
- Micro USB 2.0 withOTG
Power: DC 5V