Wednesday 18 May 2016

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[Guide]Unlock Bootloader&Install Twrp And Flash Cm12.1 All in One

First Unlock Bootloader& Install Twrp


Note:This Is Modified Guide Of Unlock Bootloader And Flash Twrp with Installation Of Cm12.1 Rom

DISCLAIMER:

Unlocking the bootloader cause warranty void,I do not give guarantee of possibility of relock bootloader again.I am not responsible for the risk bootloop, softbrick, hardbrick, so the 2nd world war, natural disasters, atomic bombs, etc: v: v: Unlocking the bootloader cause loss of files in internal memory (full reset), backup all apk use ES file explorer or any application and do not forget the important data in Internal memoy.So you have to be patient and read well.

BASICS NEEDS:

Flyme 4.5.4I(International Version Only Not Indian Version) If not have first download It from here ->
www.flymeos.com/firmwarelist?modelId=18&type=1

PC / Laptop winXp or Above
and Minimal ADB Driver download here ->
http://forum.xda-developers.com/showthread.php?t=2317790

Rooted Meizu mini M2 (M2 ONLY !!!)
Busybox already installed,if not then download from Play Store

File unlock the bootloader and TWRP download here ->
http://www37.zippyshare.com/v/fvm5edpr/file.html
ADB and Fastboot Files downloaded at ->
https://goo.gl/mZzVS4 (Specifically Windows 8 and above) Disable driver signature that ADB Mediatek detected.
How: Go start button -> type and select advanced startup option -> select restart now -> select troubleshoot -> select advanced option -> select the startup settings -> select restart -> wait for it to reboot and enter the blue screens -> type the numbers  -> wait until the computer / laptop restart

STEPS:

Extract "file_root.zip" in PC / Laptop drive anywhere, it's up to you.And extract files unlock_bootloader_with_new_twrp put the file "twrp_2.8.7.0.img" in the folder of "file_root.zip"put the file "unlock_bootloader.sh" in to external folder, open your phone go to Settings accessibility ->Developer option -> USB debugging -> Tick To ON  plug Your Meizu m2 into laptop/PC  go to
File_root.zip folder copy all files and Paste it in  the Minimal ADB Driver Folder then Install Minimal ADB .(Keep In mind Minal Adb Driver Folder should include file_root folder in it if not then copy folder and  paste it there unless You will get error in detecting device).
Write "adb devices",wait for it to detect the device. If detected as "unauthorized" , please check  again, there must be a warning. Select the checkbox and select OK, will eventually checked again be detected serial number
in your  pc/laptop type "adb shell"type "su", check if there notification in phone.
And asked permission root, select grant permission then type.
"sh /storage/sdcard1/unlock_bootloader.sh"
wait until it says "now you can fastboot oem unlock your device"then type
"adb reboot bootloader"then type "
fastboot devices" to check whether fastboot already entered yet. if it has been entered, it will be detected.
Then type "fastboot oem unlock" push the button Vol UP and wait. once completed, the screen will be stuck. Do not panic, because this is not like brick  hard reboot (press the power button for about 10 seconds to death and on again) Congratulations, you have bootloop (still unfinished the process by the way.
3)enter recovery (when bootloop direct press Power + Vol UP to vibrate)The Select Wipe Data Factory reset .
push restart wait for 10 minutes.You've done Unlock Bootloader

Bootloader is already unlock yet, how To flash TWRP

enter the command prompt (go to the folder "file_root" hold down the keyboard Shift + right click on the mouse/touchpad select "open command windows here) "adb reboot bootloader"enter fastboot like stated above.Then type.
"fastboot flash recovery twrp_2.8.7.0.img"
wait a minute turn off thr phone. and enter recovery (Power + vol up until vibration)you'll Be in TWRP

Now It's Time To Flash Cm 12.1

Note: As i Told You To Flash Flyme 4.5.4i(international Version)First.If still not installed then you will not able  to install Cm12.1

Why?

Ans: As this rom is for Meizu M2 mini  and model number of both devices Meizu M2 and Meizu m2 mini are not same so in this rom its developer had scripted a script in that it will not allow you to install Cm12.1 until it Check Ether Its Meizu M2 mini or not(Our is meizu m2)  if it had some problem it will decline further installation process

Like this "Error In Executing Updater Binary In Zip"
Steps for installing rom

1.Unlock bootloader
2.Install Twrp
3.download Cm12.1.zip in SD
4.reboot to recovery
5.wipe everything( It Can Wipe Your Internal Storage too So i recommend You to Get Internal Storage Backup Too)
6.install zip
8.reboot to system
It will take time for first boot so don't worry.


Link Gapps:
http://opengapps.org
(Select Arm64 Then 5.1 then Select What You Want Nano recommended)


Link Rom: (Updated To Latest V 0.10)
https://drive.google.com/file/d/0Bwzrxcf3P6N6TEFYeWl5ZmhmXzA/view









Note :Still Not Able to flash error still comes
then try this two below given steps
1)Try with Flyme 5 beta version it can be flashed(untested)
2)Decompress Cm12.1 custom rom then go to bin folder there will be a file name"otasigcheck.sh"
Delete that file recompress whole rom again
not recompress whole folder just recompress all files wich will be there eg :boot.img,system,bin etc (tested working 100%)
After this you may not able to get features update so you if you want to update download manually :)

"Credits
Developer Of Cm12.1(Most Thankful Person)
Murtaza Piplod(Whole New Guide Noob Friendly :) )

Meizu M2

5 comments

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Amit
AUTHOR
18 May 2016 at 05:23 delete

My device is not detecting. I'm using windows 10 please help.

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Anonymous
AUTHOR
18 May 2016 at 10:23 delete

Any bugs? Hows the rom performance and battery backup?

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Unknown
AUTHOR
31 May 2016 at 02:26 delete

cm problem is only that low sound and front camera wich sucks ������

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Unknown
AUTHOR
3 August 2016 at 15:36 delete

hey the adb and files can not download man? fix it please!

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Unknown
AUTHOR
5 March 2020 at 22:41 delete

I have a problem with my Meizu 6 pro plus fastboot mode it's locked

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