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Cubot Note Plus MT6737T - TWRP 3.2.1



WARNING !

Make sure you installed the next stock rom : CUBOT_NOTE Plus_7151C_V10_20180110

You will find it at the next link :

[Only registered and activated users can see links Click here to register]
[Only registered and activated users can see links Click here to register]
a) Download the latest version of SuperSU and BusyBox at the next link :

[Only registered and activated users can see links Click here to register]
[Only registered and activated users can see links Click here to register]
[Only registered and activated users can see links Click here to register]
b) Unrar the rar
c) Copy SuperSU.zip and BusyBox.zip
d) Paste SuperSU.zip and BusyBox.zip onto microSD


TWRP 3.2.1 at the next link :


[Only registered and activated users can see links Click here to register]
[Only registered and activated users can see links Click here to register]

FUNDAMENTAL :

Flash (install) the TWRP with the next Fastboot commands :

fastboot flash recovery recovery.img


FOLLOW VERY CAREFULLY ALL THE NEXT STEPS


1) Install the adb drivers and fastboot commands :

[url=http://www.mediafire.com/file/2df821420xpdp48/ADB_1.4.2.rar]http://www.mediafire.com/file/2df821420xpdp48/ADB_1.4.2.rar

2) Unrar the rar. Run “adb-setup.exe”. Hit “Y” to all 3 questions.

3) Tap on Settings --> About phone --> Tap Build number seven times.

Developer options --> OEM unlocking enabled and USB debugging enabled.

STEPS TO UNLOCK THE BOOTLOADER

4) Plug your phone to PC via USB cable.

Allow the pop up request on your phone to give your PC USB debugging.

5) Open CMD (command prompt).
6) Type the next command :

adb reboot bootloader (and press enter)

7) Now type the next command :

fastboot oem unlock (and press enter)


8) Reboot in normal mode
9) Be patient, when you unlock the bootloader, the phone reset to factory !
10) Now tap 7 times on Build number.
11) Then Developer options, and re-enable USB debugging.

STEPS TO FLASH THE TWRP 3.2.1

12) Copy the TWRP (recovery.img) into the folder  c:\adb\
13) Connect your phone to the PC via USB cable.
14) Open CMD (command prompt) in the c:\adb\ folder

To open CMD hold shift key and right click , then select "Open Command Window Here".

15) Now type the next command :

adb reboot bootloader (and press enter)

16) Now type the next command :

fastboot flash recovery recovery.img (and press enter)


IMPORTANT :

17) After that the flash process is finished :

LONG PRESS ONTO POWER BUTTON until the phone is turned off

18) Hold simultaneously volume up+power buttons
19) Select the first line with volume up button
20) Hold volume down button to confirm
21) Onto TWRP, swipe to allow modification.
22) Change the default language from Russian to your language.

VITAL STEPS :

23) Return to the main menù of TWRP.
24) Tap Install. Tap on Select Storage. Tap Micro SDCard. Tap OK.
25) Tap on SuperSU zip
26) Swipe to confirm Flash.
27) TAP ON DO NOT install - LOOK the next screenshot :

Failure here. I have updated Note Plus in latest version 20180306 via OTA, I have successfully unlocked the bootloader (I see a warning message in every boot) and installed the TWRP 3.2.1, but it doesn't work. I see the logo of Cleopatra in TWRP but I cannot swipe right and proceed in the menu. It seems that the touch screen is not working in the recovery OR that the phone freezes right after entering the recovery. Damn, I was too close...

(2018-03-14, 04:06)char.vasileiad Wrote: [ -> ]Failure here. I have updated Note Plus in latest version 20180306 via OTA, I have successfully unlocked the bootloader (I see a warning message in every boot) and installed the TWRP 3.2.1, but it doesn't work. I see the logo of Cleopatra in TWRP but I cannot swipe right and proceed in the menu. It seems that the touch screen is not working in the recovery OR that the phone freezes right after entering the recovery. Damn, I was too close...

You are pretty close.
As I have already said on my tutorial,
you need the firmware 20180110 ... NOT the firmware 20180306

However, before to install the firmware 20180110

try to follow the next steps :

1) Copy and paste the twrp (recovery.img) inside c:\adb\ folder
2) Connect your phone to the pc.
3) Open CMD (command prompt) in the c:\adb\ folder

To open CMD hold shift key and right click , then select "Open Command Window Here".

4) Now type the next command :

adb reboot bootloader (and press Enter)

5) After, type the next command :

fastboot boot recovery.img (and press Enter)

Will I have OTA updates after flashing TWRP? I mean if I install the TWRP over 20180110 will I have the ability to install 20180306 afterwards or this function is disabled after unlock the bootloader and flash the custom recovery?
I already tried to boot in recovery via "fastboot boot recovery.img". Same problem in TWRP: touch not working. It charging though and the battery gets higher, so the phone is not freezed.
I will try again with the firmware version you suggest and I will post again.

I tried it with another phone with firmware 20180110: Same results. The TWRP is properly installed but I cannot swipe to allow modifications or to change Russian language. The touch screen is totally not working under recovery.
Also, after the first boot the recovery is being replaced by the stock one. After that I could normally update via OTA to latest official version 20180306.
I think that the TWRP recovery is problematic or not compatible with these two firmware versions. But the SuperSU is still my goal.

Could it work with the build NOTE_Plus_7151C_V05_20170913?
Thank

(2018-03-20, 16:24)francwalter Wrote: [ -> ]Could it work with the build NOTE_Plus_7151C_V05_20170913?
Thank

Hello.

I honestly do not know.

Some owners of Cubot Note Plus told me that twrp does not work.
It seems that the touch screen of twrp does not work.

The story :

I do not own the Cubot Note Plus.
I have made the twrp on-line with an owner of this phone.
He told me that the twrp works.
He send me the screenshots about the twrp.


The proposal :

If anyone is interested, I can investigate this problem.
I mean, I could try to fix the touch screen bug.
BUT I really need the collaboration of an owner of Cubot Note Plus.


Regards

I tried with a USB OTG mouse but it doesn't work at all in Cubot. The same adapter and mouse works normally with a LeEco x626 (also a model with type-C input), but when I use the Note Plus it doesn't even light the red led under the mouse! The adapter is new and I don't use any kind of extra adapters (type-C to microUSB etc).
As I said before after the first boot the recovery is being replaced by the stock one. After that I could normally update via OTA to latest official version 20180306. So the OTA updates is possible even with an unlocked bootloader.
I am a professional technician, but not a programmer or a software developer. If someone wants to test something with me, I am open to take the risk!

(2018-03-26, 02:14)char.vasileiad Wrote: [ -> ]I tried with a USB OTG mouse but it doesn't work at all in Cubot. The same adapter and mouse works normally with a LeEco x626 (also a model with type-C input), but when I use the Note Plus it doesn't even light the red led under the mouse! The adapter is new and I don't use any kind of extra adapters (type-C to microUSB etc).
As I said before after the first boot the recovery is being replaced by the stock one. After that I could normally update via OTA to latest official version 20180306. So the OTA updates is possible even with an unlocked bootloader.
I am a professional technician, but not a programmer or a software developer. If someone wants to test something with me, I am open to take the risk!

As I have already said :


"If anyone is interested, I can investigate this problem.
I mean, I could try to fix the touch screen bug.
BUT I really need the collaboration of an owner of Cubot Note Plus".


Well, then, do you want to try to fix the twrp issue together me ?