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HomeClockworkMod (CWM) Recovery easy install for RK3066 and RK3188 -- TWRP/CWM Flash-Tool and root for RK3288
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2016/03/04
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Hi, I have Medion LifeTab e7310 tablet that died a few days ago (bootloop on Medion logo, even adb doesn't work), i can boot it into flash mode. I've tried few RK30 roms but always hangs on "Crew RKTablets logo" 🙁 Can anybody help me? As far as i know it's: Chipset: RK30 (RK3066), CPU: Cortex A9 Dual Core @ 1.2 GHz
Medion on it's support site only provide kernel source for stock JB:
Moderator
Firmware Guru
2012/10/06
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Which kernel do you use?
-Oma -
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2016/03/04
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The problem is i don't have compiled kernel for this tablet 🙁 (Only source from medion website). I've tried homebrew kernel from here:
http://crewrktablets.arctablet.com/?p=1913
//Edit
I've also tried kernel from Medion e7312 (from here http://crewrktablets.arctablet.com/?page_id=208&wpfb_cat=12#wpfb-cat-12 ) and it boots to CWM, but after formatting NAND it reboots into CWM always, so i've tried stock recovery (provided here http://crewrktablets.arctablet.com/?p=1913 ) but after first formatting in recovery, after reboot and after medion logo it stays with black screen forever.
//Edit 2
I think it's still problem with kernel or rom 'cause just like i said before it's stays on black screen forever but i saw that right after medion logo:
I have "corrupted" medion logo for a second (right before black screen), just like this:
Or it's really RK 3036 🙁 What can i do now?
Moderator
Firmware Guru
2012/10/06
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It is RK3066.
Maybe the board give us a hint: http://4ip.info/products/3457
Can you pls check if the Digma firmware will boot?
- Oma -
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szczuruPer aspera ad astra, we rock the Tablets !
If you like our firmwares, please consider making a donation to support our work.
Thank you!
2016/03/04
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You mean this one?
http://www.ddixlab.com/public/digma/tabletpc/old_models/iDsD_series/idsd7/
Doesn't work, i've also tried one of customs from that topic:
http://4pda.ru/forum/index.php?showtopic=489488&st=420#entry31016171
Both doesn't work - tested with stock recovery (from here: http://crewrktablets.arctablet.com/?p=1913 ) and with CWM also from that link (from Genio cRom v1.4). Same issues as before:
Stock recovery appears but after reset medion logo -> corrupted medion logo -> black screen.
CWM recovery appears but after reset CWM again, can't "get out" from CWM, caus it's booting always after power on.
And i can't dissasembly it to see mb 🙁
Moderator
Firmware Guru
2012/10/06
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So, we need somebody who is willing to dump the firmware: http://www.arctablet.com/blog/forum/crewrktablets-rk3066-entwicklung-customroms-development-croms/rk3066-root-and-dump-the-stock-firmware/?lang=fr
- Oma -
The following users say thank you to Oma7144 for this useful post:
szczuruPer aspera ad astra, we rock the Tablets !
If you like our firmwares, please consider making a donation to support our work.
Thank you!
2016/03/04
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It boots! I've used:
CrewRKTablets_RK30_Genio by Oma_JB_4.2.2_multi window_v1.0
and kernel from 7312:
RK30_kernel_3036_e7312_medion
Now it goes after medion logo to "OMA"Logo and boots android desktop 😀 but everything works weird eg rotation is broken (if i handle tablet in landscape screen is rotated by 90* to right). Didn't tested rest of things yet.
What doesn't work or is broken:
-Rotation (works but bad)
-Wifi doesn work
-Bluetooth
Works:
-Card reader - card works after format
-Rear and front camera
-Sound
-Touch
-Hardware sound buttons
-Hardware power button (for locking/power off)
-USB OTG
GPS not tested.
So, how can i now make it work? Maybe original kernel source will help?
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Firmware Guru
2012/10/06
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szczuru said
RK30_kernel_3036_e7312_medion
Well, usual kernel of rk30boards it 3.0.8+. The CM10.1 build will not boot on a 3.0.36+ kernel.
However, with the 3.0.36+ kernel you have the opportunity to update to LP 😉
Here is the reference for Medion E7312: http://crewrktablets.arctablet.com/?p=5617
- Oma -
The following users say thank you to Oma7144 for this useful post:
szczuruPer aspera ad astra, we rock the Tablets !
If you like our firmwares, please consider making a donation to support our work.
Thank you!
2016/03/04
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Ok, thanks 😀 I'll check this later 'cause it look's like server is overloaded - can't download this :/
2016/03/04
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Ok, flashed this cm12 with e7312 kernel, rk30xx loader and with parameter for 8gb tablet (without it RKTool didn't complete checking after flashing) but it won't boot, even lcd don't power 🙁
Ok, i've deleted everything ad re-downloaded - now it boot 🙂 I'll test everything ad report here 🙂
Edit//
Ok, so camera picture is reversed by 90* and when i'm trying to turn on wifi -> tablet reboots and i have bootloop. Any help?
I can even use that 4.2.2 build from before, but how can i fix wifi?
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Firmware Guru
2012/10/06
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Can you check this (install via CWM): http://crewrktablets.arctablet.com/?wpfb_dl=2683
- Oma -
The following users say thank you to Oma7144 for this useful post:
szczuruPer aspera ad astra, we rock the Tablets !
If you like our firmwares, please consider making a donation to support our work.
Thank you!
2016/03/04
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Ok, wifi works! 😀 Thanks A LOT! 😀 What about rest of thing? BT, camera or rotation? (your fixes from cm10 doesn't work).
Moderator
Firmware Guru
2012/10/06
Offline
Let me see the wifi chip. Open a terminal and type:
cat /sys/class/rkwifi/chip
Post the result.
Do not use fixes from other builds. Re-flash system.img and let me know what is the current rotation of the UI in landscape?
- Oma -
The following users say thank you to Oma7144 for this useful post:
szczuruPer aspera ad astra, we rock the Tablets !
If you like our firmwares, please consider making a donation to support our work.
Thank you!
2016/03/04
Offline
RK903u0_a67@rk31board
and for orientation values are:
- tab horizontal x=-9,1
- tab portrait (horizontal to left) y=+9,1
- tab portrait (horizontal to right) y=-10,3
- tab horizontal upside down x=+10,1
- tab on flat surface z=+9,8
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