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[RECOVERY] TWRP 3.0.2-0 for Cube iWork8 Ultimate & iWork8 Air


Guest KonstaT

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Guest KonstaT

This is my build of Dees-Troy's Team Win Recovery Project (TWRP) 3.0.2-0 for Cube iWork8 Ultimate (I1-T/I1-TD/I1-TWB/I1-TC) and iWork8 Air (I1-TF/I1-TBF). There's (at least) seven different batches of iWork8 Ultimate & iWork8 Air with slightly different hardware. Choose the right image for your model! I1-TWB image is reported working on I1-TF-20161108 and I1-TFB devices.

Do not mirror my builds! Please post a link to this page instead.

http://konstakang.com/devices/cube_iwork8ultimate/TWRP

Prerequisites:
1. Download and install Intel Android USB driver (Windows) or setup udev rules (Linux).
2. Download and install Android SDK tools and platform-tools to get adb and fastboot.

Unlocking the bootloader:
1. Enable developer settings by clicking 'Settings -> About tablet -> Build number' several times. Enable 'Settings -> Developer options -> OEM unlocking' (not sure if necessary) and 'Settings -> Developer options -> Android debugging'.
2. Plug in your device via USB cable and open terminal window as an administrator (Windows). Boot device into bootloader by executing

adb reboot bootloader

You can also boot to bootloader by holding volume down button in dual boot menu and selecting to boot to Android.
3. Execute in terminal

fastboot oem unlock

Menu appears on the device warning that unlocking the bootloader will erase the device. Use volume keys to select the option to approve and use power key to confirm. It will try to format the data partition but fails because the bootloader is pretty useless (see below). Bootloader will be unlocked, though.

Notes about the bootloader:
Android bootloader is not working properly because of how Windows partition are named (not prepended with 'android_' what the bootloader expects). You can see a warning message when booted to bootloader and some bootloader functions are not working properly. You can't use fastboot to flash any image! Good thing is that you can still use fastboot to boot images. It also possible to fix this by booting the tablet to Windows and use something like 'GPT fdisk' tool to rename the Windows partitions (add 'android_' prefix). This is not absolutely necessary though if you're not planning to use fastboot to flash images.

Installing TWRP:
1. Download both TWRP recovery image and TWRP flashable zip from this post. Save the TWRP flashable zip to your device's sdcard. Save the TWRP recovery image to a place you can access in terminal window.
2. Change into the directory you saved the TWRP recovery image, boot to bootloader as above, and execute

fastboot boot recovery-twrp3020-cht_cr_mrd.img

3. Install TWRP flashable zip from sdcard once booted to TWRP.
4. Reboot recovery.

You can boot to TWRP by executing 'adb reboot recovery'. It's also possible to boot to recovery by booting to bootloader first (as above), using volume keys to select 'recovery' option and using power key to confirm.

If you've renamed Windows partitions (see above), you can use 'fastboot flash recovery recovery-twrp3020-cht_cr_mrd.img' to install the recovery image.

Stock ROM is encrypted by default which means data partition is not accessible in TWRP before you format it (select 'Wipe -> Format Data' - doing a factory reset is not enough). Important! This will erase your data including internal sdcard. It's recommended to do this once when installing dm-verity disabled/unencrypted boot image or flashing a custom ROM (CyanogenMod, Remix OS).

How to restore stock recovery:
1. Download zip below suitable for your device and copy it to your device's sdcard.
2. Boot to TWRP recovery.
3. Install zip in TWRP.
4. Reboot recovery.

http://konstakang.com/devices/cube_iwork8ultimate/stock-recovery

Sources:

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Edited by KonstaT
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  • 4 weeks later...
Guest IsaacMech

Hello! On my device TWRP runs with mirrored touchscreen (vertical) by screen center. What i'm doing wrong? My device version is i1 T.

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Guest KonstaT
3 hours ago, IsaacMech said:

Hello! On my device TWRP runs with mirrored touchscreen (vertical) by screen center. What i'm doing wrong? My device version is i1 T.

Maybe your's is from another batch with slightly different hardware configuration. What stock firmware version does your device have? Kernel in this TWRP is from stock I1-T_V1.1_20160329.

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Guest IsaacMech
33 minutes ago, KonstaT said:

Maybe your's is from another batch with slightly different hardware configuration. What stock firmware version does your device have? Kernel in this TWRP is from stock I1-T_V1.1_20160329.

I don't know, because i updated firmware. My touchscreen version is DXP2J1 

With that system.img file my touchscreen works perfectly: https://yadi.sk/d/J39Hkj-Wrt85g.

Here is also boot.img: https://yadi.sk/d/4dFDFvCnrrY4i

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Guest KonstaT
2 hours ago, IsaacMech said:

I don't know, because i updated firmware. My touchscreen version is DXP2J1 

With that system.img file my touchscreen works perfectly: https://yadi.sk/d/J39Hkj-Wrt85g.

Here is also boot.img: https://yadi.sk/d/4dFDFvCnrrY4i

It seems your device is I1-TD. That firmware is I1-TD_V1.0_20160329 (vs. I1-T_V1.1_20160329 on mine). What is the original source for that firmware and do you have untouched boot/recovery images?

I can repack TWRP with I1-TD stock kernel later. My CyanogenMod 12.1 build is going to have the same issue so that will need a patch, too.

Edited by KonstaT
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Guest IsaacMech
38 minutes ago, KonstaT said:

It seems your device is I1-TD. That firmware is I1-TD_V1.0_20160329 (vs. I1-T_V1.1_20160329 on mine). What is the original source for that firmware and do you have untouched boot/recovery images?

I can repack TWRP with I1-TD stock kernel later. My CyanogenMod 12.1 build is going to have the same issue so that will need a patch, too.

I really don't know. Inverted touchscreen problem appears in model with already installed dualboot (Win10 x64 and Android 5.1) by factory. When you try to update or recover device by firmware from Cube site (for version without Dualboot) because digitizers in device are different. There is no firmware for Dualboot-version except that custom rom.

 

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Guest KonstaT
On 6/27/2016 at 4:05 PM, IsaacMech said:

I really don't know. Inverted touchscreen problem appears in model with already installed dualboot (Win10 x64 and Android 5.1) by factory. When you try to update or recover device by firmware from Cube site (for version without Dualboot) because digitizers in device are different. There is no firmware for Dualboot-version except that custom rom.

That is a stock firmware for your device (not a 'custom ROM') but someone has modified the boot image, though.

Here's a TWRP that will work on I1-TD. I tested it on my device and touchscreen was inverted on mine as expected. You can't use anything from [HOWTO] Disable dm-verity, root & navigation bar mod for Cube iWork8 Ultimate thread (needs to be adapted for your I1-TD_V1.0_20160329 stock firmware) and CyanogenMod 12.1 needs a patch, too (I'll add it if/when there's another build).

recovery-twrp3020-cht_cr_mrd-I1-TD.img
https://www.androidfilehost.com/?fid=24659325368664658
md5:685f49cd2afea43244f4d87b4108be42

recovery-twrp-3.0.2-0-cht_cr_mrd-I1-TD.zip (TWRP flashable)
https://www.androidfilehost.com/?fid=24659325368664663
md5:52622da1825ae72f860068918b327ecf

Edited by KonstaT
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Guest IsaacMech
10 hours ago, KonstaT said:

That is a stock firmware for your device (not a 'custom ROM') but someone has modified the boot image, though.

Here's a TWRP that will work on I1-TD. I tested it on my device and touchscreen was inverted on mine as expected. You can't use anything from [HOWTO] Disable dm-verity, root & navigation bar mod for Cube iWork8 Ultimate thread (needs to be adapted for your I1-TD_V1.0_20160329 stock firmware) and CyanogenMod 12.1 needs a patch, too (I'll add it if/when there's another build).

recovery-twrp3020-cht_cr_mrd-I1-TD.img
http://www.mediafire.com/?ymbaedebgk3dubg
md5:685f49cd2afea43244f4d87b4108be42

recovery-twrp-3.0.2-0-cht_cr_mrd-I1-TD.zip (TWRP flashable)
http://www.mediafire.com/?ss8iji8x3z03jxv
md5:52622da1825ae72f860068918b327ecf

Thanks a lot! Now it works fine for me.

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  • 2 weeks later...
Guest KonstaT
On 7/10/2016 at 7:22 AM, HHHOOON said:

Can I get a custom rom file for device model "I1-TD"? I want to root my tablet pc, but i failed to find. Help me plz..

Not exactly sure what you're asking but both my CyanogenMod 12.1 and Remix OS releases now have a patch for I1-TD variant. 

Edited by KonstaT
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Guest G.R.Userman

I have Cube iWork8 Air (I1-TF).
After installing TWRP I1-TF and CM12.1 I had the following problems:
The tablet does not want to come out of deep sleep. Or go out after pressing the power button many times (up to 10 times). In Windows and the stock Android this was not a problem.
I installed TWRP I1-TD. The problem has completely disappeared.

Regarding work TWRP I1-TD on the Cube iWork8 Air (checked):
1. Installs the zip (set CM, GApps etc. with external SD).
2. Installs img (checked boot.img).
3. Work all Wipe.
4. Works file manager.
5. Error breakdown and formatting external SD. (It seems it did not work and TWRP I1-TF)

P.S. I am not prepared to discuss why this is so because I do not have enough knowledge. I described my problem and its solution.
P.S.S. Perhaps it worked just me. Other users can get a brick.
 

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Guest KonstaT
49 minutes ago, G.R.Userman said:

I have Cube iWork8 Air (I1-TF).
After installing TWRP I1-TF and CM12.1 I had the following problems:
The tablet does not want to come out of deep sleep. Or go out after pressing the power button many times (up to 10 times). In Windows and the stock Android this was not a problem.
I installed TWRP I1-TD. The problem has completely disappeared.

Regarding work TWRP I1-TD on the Cube iWork8 Air (checked):
1. Installs the zip (set CM, GApps etc. with external SD).
2. Installs img (checked boot.img).
3. Work all Wipe.
4. Works file manager.
5. Error breakdown and formatting external SD. (It seems it did not work and TWRP I1-TF)

P.S. I am not prepared to discuss why this is so because I do not have enough knowledge. I described my problem and its solution.
P.S.S. Perhaps it worked just me. Other users can get a brick.
 

Just no! Android doesn't care what you have on your recovery partition. Trust me - this has absolute nothing to do with TWRP!

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Guest G.R.Userman
16 minutes ago, KonstaT said:

Trust me - this has absolute nothing to do with TWRP!

Yes I know. But even kill me, I wrote everything as it really was. Maybe so there were stars in the sky.:)))

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Guest KonstaT
42 minutes ago, G.R.Userman said:

Yes I know. But even kill me, I wrote everything as it really was. Maybe so there were stars in the sky.:)))

Better sacrifice a lamb (or a limb). Needs a full moon, too. :P

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Guest seafood169
3 hours ago, G.R.Userman said:

Yes I know. But even kill me, I wrote everything as it really was. Maybe so there were stars in the sky.:)))

Thanks for your information and I trusted you what you got after flashing another TWRP.   But my situation is different, deep sleep problem appear on both Windows and Andriod, so I guess it is the Bios issue.   Anyway, thank you so much for your notice, pls. keep let me know when you get any new finding.

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Help!! I've done the necessary step but after  " Install TWRP flashable zip from sdcard once booted to TWRP.", it reboot and i cant get into android recovery. The windows is working fine but everytime i choose android, the tablet just stucked at the logo. How do i fix this? I downloaded the stock firmware, how do i flash the android? How to create UEFI USB?

Any help is appreciated, thank you.

Tri

 

On 5/31/2016 at 10:57 PM, KonstaT said:

This is my build of Dees-Troy's Team Win Recovery Project (TWRP) 3.0.2-0 for Cube iWork8 Ultimate (I1-T/I1-TD/I1-TWB) and iWork8 Air (I1-TF). There's (at least) three different batches of iWork8 Ultimate with slightly different touchscreen hardware. Choose the right image for your model!

Do not mirror my builds! Please post a link to this thread instead.

recovery-twrp3020-cht_cr_mrd.img (I1-T)
http://www.mediafire.com/?dxmp67brcz1vc5f
md5:e0e1fd387d1b53a0c0348684e9a482d6

recovery-twrp-3.0.2-0-cht_cr_mrd.zip (I1-T - TWRP flashable)
http://www.mediafire.com/?znp26sfzc55gr3e
md5:d0f5954b5b6c1643eb12c432c1bd55b4

recovery-twrp3020-cht_cr_mrd-I1-TD.img (I1-TD)
http://www.mediafire.com/?ymbaedebgk3dubg
md5:685f49cd2afea43244f4d87b4108be42

recovery-twrp-3.0.2-0-cht_cr_mrd-I1-TD.zip (I1-TD - TWRP flashable)
http://www.mediafire.com/?ss8iji8x3z03jxv
md5:52622da1825ae72f860068918b327ecf

recovery-twrp3020-cht_cr_mrd-I1-TWB.img (I1-TWB)
http://www.mediafire.com/?cj04ra188xzeqki
md5:7070c1fef6875f66ea86c57f154eb10d

recovery-twrp-3.0.2-0-cht_cr_mrd-I1-TWB.zip (I1-TWB - TWRP flashable)
http://www.mediafire.com/?i44cdahfgbeo4g8
md5:8d706944a8c6faeb9bcab3aa60a4c1f9

recovery-twrp3020-cht_cr_mrd-I1-TF.img (I1-TF)
http://www.mediafire.com/?14cu7di11wb7lk7
md5:5e227464fa775f216d60bddefc34d1ea

recovery-twrp-3.0.2-0-cht_cr_mrd-I1-TF.zip (I1-TF - TWRP flashable)
http://www.mediafire.com/?o3fny1c6kahbf68
md5:d843481ca2e07a4697f678d52eeb875b

Prerequisites:
1. Download and install Intel Android USB driver (Windows) or setup udev rules (Linux).
2. Download and install Android SDK tools and platform-tools to get adb and fastboot.

Unlocking the bootloader:
1. Enable developer settings by clicking 'Settings -> About tablet -> Build number' several times. Enable 'Settings -> Developer options -> OEM unlocking' (not sure if necessary) and 'Settings -> Developer options -> Android debugging'.
2. Plug in your device via USB cable and open terminal window as an administrator (Windows). Boot device into bootloader by executing


adb reboot bootloader

You can also boot to bootloader by holding volume down button in dual boot menu and selecting to boot to Android.
3. Execute in terminal


fastboot oem unlock

Menu appears on the device warning that unlocking the bootloader will erase the device. Use volume keys to select the option to approve and use power key to confirm. It will try to format the data partition but fails because the bootloader is pretty useless (see below). Bootloader will be unlocked, though.

Notes about the bootloader:
Android bootloader is not working properly because of how Windows partition are named (not prepended with 'android_' what the bootloader expects). You can see a warning message when booted to bootloader and some bootloader functions are not working properly. You can't use fastboot to flash any image! Good thing is that you can still use fastboot to boot images. It also possible to fix this by booting the tablet to Windows and use something like 'GPT fdisk' tool to rename the Windows partitions (add 'android_' prefix). This is not absolutely necessary though if you're not planning to use fastboot to flash images.

Installing TWRP:
1. Download both TWRP recovery image and TWRP flashable zip from this post. Save the TWRP flashable zip to your device's sdcard. Save the TWRP recovery image to a place you can access in terminal window.
2. Change into the directory you saved the TWRP recovery image, boot to bootloader as above, and execute


fastboot boot recovery-twrp3020-cht_cr_mrd.img

3. Install TWRP flashable zip from sdcard once booted to TWRP.
4. Reboot recovery.

You can boot to TWRP by executing 'adb reboot recovery'. It's also possible to boot to recovery by booting to bootloader first (as above), using volume keys to select 'recovery' option and using power key to confirm.

If you've renamed Windows partitions (see above), you can use 'fastboot flash recovery recovery-twrp3020-cht_cr_mrd.img' to install the recovery image.

Stock ROM is encrypted by default which means data partition is not accessible in TWRP before you format it (select 'Wipe -> Format Data' - doing a factory reset is not enough). Important! This will erase your data including internal sdcard. It's recommended to do this once when installing dm-verity disabled/unencrypted boot image or flashing a custom ROM (CyanogenMod, Remix OS).

How to restore stock recovery:
1. Download zip below suitable for your device and copy it to your device's sdcard.
2. Boot to TWRP recovery.
3. Install zip in TWRP.
4. Reboot recovery.

recovery-stock-I1-T_V1.1_20160329.zip
http://www.mediafire.com/?3mt4jkqfeoqq5ka
md5:2d9cd8710de58765c7333363b6cd04e1

recovery-stock-I1-TD_V1.0_20160329.zip
http://www.mediafire.com/?2chskrcm4s2ibyw
md5:6a832f89435b69755f78b5e1c14280dd

recovery-stock-I1-TWB_V1.0_20160329.zip
http://www.mediafire.com/?uc9bk4wdf53415k
md5:f98a3c9d9b32451e90fa265b82f4e793

recovery-stock-I1-TF_V1.0_20160527.zip
http://www.mediafire.com/?g5rcvilr6xg23cu
md5:04889251f69a2ece6f5d0eaab3c82677

Sources:

Like my work?

 

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Guest KonstaT
1 hour ago, th377 said:

Help!! I've done the necessary step but after  " Install TWRP flashable zip from sdcard once booted to TWRP.", it reboot and i cant get into android recovery. The windows is working fine but everytime i choose android, the tablet just stucked at the logo. How do i fix this? I downloaded the stock firmware, how do i flash the android? How to create UEFI USB?

Any help is appreciated, thank you.

Tri

Did you modify system in any way while you were in TWRP? Dm-verity will prevent device from booting if even single byte is changed on /system.

Boot to Android bootloader by pressing volume down key in dual-boot menu. Try booting to recovery from the menu or use fastboot to boot TWRP again. Install the zip that disables dm-verity just in case.

Edited by KonstaT
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On 5/31/2016 at 10:57 PM, KonstaT said:

ootloader and some bootloader functions are not working properly. You can't use fastboot to flash any image! Good thing is that you can still use fastboot to boot images.

Thank you dm-verify was the cause.

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Guest Zakmak

Hello Guys , 

i wanted to install the TWRP Recovery but my Touchscreen is not working in TWRP  when i wanna flash it .

I have a Iwork 8 Ultimate  I1-T (But in the System Information on Android is somehting else I1-TC)

Which Firmware i need because the for I1-T is not working for me. please help because i really wanna install cygonenmod to root the phone and move finaly apps to sd card.

sry for my bad english.

Edited by Zakmak
forget something
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Guest KonstaT
3 hours ago, Zakmak said:

Hello Guys , 

i wanted to install the TWRP Recovery but my Touchscreen is not working in TWRP  when i wanna flash it .

I have a Iwork 8 Ultimate  I1-T (But in the System Information on Android is somehting else I1-TC)

Which Firmware i need because the for I1-T is not working for me. please help because i really wanna install cygonenmod to root the phone and move finaly apps to sd card.

sry for my bad english.

Looks like another batch with different hardware. If you can get me boot.img and system.img (or system dump) for your device, I can add support for I1-TC in TWRP/ROMs.

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Guest Zakmak

Okay i will get the dump  for you. But i thought you need root the device to rip a firmware ? 

Can u tell me a good tutorial for ripping it?

And can i delete Windows and only flash Android ? Because Windows is pretty useless.

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Guest KonstaT
1 hour ago, Zakmak said:

Okay i will get the dump  for you. But i thought you need root the device to rip a firmware ? 

Can u tell me a good tutorial for ripping it?

And can i delete Windows and only flash Android ? Because Windows is pretty useless.

Yes, you'd need to have root in Android to dump boot/system or a custom recovery to make a backup. Easiest way is of course to download I1-TC stock firmware and extract boot.img and system.img from that. I can't download ~8gb from baidu and can't be bothered because of that anyway. If you can mirror those files, I can have a look.

You can maybe resize partitions and remove Windows but I doubt you'd still get rid of the dual-boot menu (no Android only BIOS available). You can see how this is done on other Cherry Trail tablets. I personally don't have any interest in messing with things like this.

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Guest Zakmak

okay i searched the web and only find one download link on baidu.. the speed is horible but i cant find another link... its takes about 10 hours but better then notihing .

i will get the files and upload it for you when it finish.

 

that with the dual boot menu is no problem for me . but when it is to difiticult maybe i dont go for it.

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