[GUIDE][Project Treble] Manual - Create Vendor Partition for PT GSI ROM MI3/MI4

Dzol Cp · Dec 27, 2018

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Hello Guys, in order to make our Cancro successfully flash GSI Treble Rom, we need to do some of the modification to the internal memory and system space and also create a new partition for vendor image. As we all know there is bunch of guide and tutorial for system partition for MI3 and the very famous and easy is just using script to flash via recovery, and you done. So today im going to lead you to extend your system partition to 2GB, and creating new vendor partition. I tested it on MI3W 16GB and 64GB.

REQUIREMENTS

BACKUP ALL YOUR CURRENT DATA TO WINDOWS OR USB OTG
CWM v6.0.5.1 (R11) by furniel and donbot
ADB Install
Fastboot Install
TWRP TREBLE 3.2.3.0 Cancro
MIUI 10 EU ROM

LET'S BEGIN

Reboot to recovery and connect your phone to Window
Open a cmd window (or terminal, if you're using linux), and connect through adb by typing;
adb devices enter
adb shell enter
Code:
```
adb devices

adb shell
```
If everything is fine and you get a shell input (#), start parted by typing;
parted /dev/block/mmcblk0 enter
print enter
Code:
```
parted /dev/block/mmcblk0

print
```
Output of "print" should be something like this
Remove partition 23 24 25
rm 23 enter
rm 24 enter
rm 25 enter
Code:
```
rm 23

rm 24

rm 25
```
If you get an error message when rm 25 like this
name 25 cache

type quit enter

reboot recovery on phone

connect to adb again

repeat #2 , #3 command

type print enter

type rm 25
And now we are going to create 2GB system partition and vendor partition and rename it
mkpartfs primary ext2 403 2403 enter
mkpartfs primary ext2 2403 2453 enter
mkpartfs primary ext2 2453 2653 enter
mkpartfs primary ext2 2653 62.5G enter * for 64GB if * 16GB mkpartfs primary ext2 2653 15.8GB

name 23 system enter
name 24 cache enter
name 25 vendor enter
name 26 userdata enter
Code:
```
mkpartfs primary ext2 403 2403

mkpartfs primary ext2 2403 2453

mkpartfs primary ext2 2453 2653

mkpartfs primary ext2 2653 62.5G
```
Code:
```
name 23 system

name 24 cache

name 25 vendor

name 26 userdata

quit
```
After renaming and type quit and dont close the cmd and still on shell ~#
Now we are going to convert all newly partition 23 24 25 26 from ext2 to ext4
tune2fs -j /dev/block/mmcblk0p23 enter
e2fsck -fDp /dev/block/mmcblk0p23 enter
tune2fs -O extents,uninit_bg,dir_index /dev/block/mmcblk0p23 enter
e2fsck -fDp /dev/block/mmcblk0p23 enter

tune2fs -j /dev/block/mmcblk0p24 enter
e2fsck -fDp /dev/block/mmcblk0p24 enter
tune2fs -O extents,uninit_bg,dir_index /dev/block/mmcblk0p24 enter
e2fsck -fDp /dev/block/mmcblk0p24 enter

tune2fs -j /dev/block/mmcblk0p25 enter
e2fsck -fDp /dev/block/mmcblk0p25 enter
tune2fs -O extents,uninit_bg,dir_index /dev/block/mmcblk0p25 enter
e2fsck -fDp /dev/block/mmcblk0p25 enter

tune2fs -j /dev/block/mmcblk0p26 enter
e2fsck -fDp /dev/block/mmcblk0p26 enter
tune2fs -O extents,uninit_bg,dir_index /dev/block/mmcblk0p26 enter
e2fsck -fDp /dev/block/mmcblk0p26 enter
Code:
```
tune2fs -j /dev/block/mmcblk0p23

e2fsck -fDp /dev/block/mmcblk0p23

tune2fs -O extents,uninit_bg,dir_index /dev/block/mmcblk0p23

e2fsck -fDp /dev/block/mmcblk0p23


tune2fs -j /dev/block/mmcblk0p24

e2fsck -fDp /dev/block/mmcblk0p24

tune2fs -O extents,uninit_bg,dir_index /dev/block/mmcblk0p24

e2fsck -fDp /dev/block/mmcblk0p24


tune2fs -j /dev/block/mmcblk0p25

e2fsck -fDp /dev/block/mmcblk0p25

tune2fs -O extents,uninit_bg,dir_index /dev/block/mmcblk0p25

e2fsck -fDp /dev/block/mmcblk0p25


tune2fs -j /dev/block/mmcblk0p26

e2fsck -fDp /dev/block/mmcblk0p26

tune2fs -O extents,uninit_bg,dir_index /dev/block/mmcblk0p26

e2fsck -fDp /dev/block/mmcblk0p26

exit
```
Go back to parted to check whether it's applied;
parted /dev/block/mmcblk0 enter
print enter
Code:
```
parted /dev/block/mmcblk0

print
```
Your partition should be like this, if you follow my calculation.
Also can follow this calculation for 1.5 GB system partition.
CONGRATS!! You have success parted your system partition, now you can disable your MI3/MI4 connection from WINDOWS.
Make sure that you still on that CWM Recovery, copy MIUI 10 EU ROM to internal memory, flash it via CWM, wait till your MI3 load till startup wizard. Install MIUI 10 via CWM and reboot around 10 to 20 minutes, pls make sure that your battery is up to 50% above.
Reboot to fastboot and flash TWRP Treble 3.2.3.0 and now you can easily flash GSI ROM type Arm A Only.

Now you already have a system partition 2GB and vendor partition, that enough for flashing GSI Image, Thanks for following my guide.

Reference link

Cancro ROM Group

Group rules:

English only.(You can use the translator to communicate.
Respect developers and administrators.
Please do not send spam.
Do not send stickers continuously.

Channel: @cancro ROM
CN Group: @cancro Group
https://t.me/micancro

Contributor

Dzol Cp · Dec 27, 2018

RESERVED FOR SCREENSHOT

nikolce.markovski · Apr 25, 2015 34 1 0

These 800 MB free space is left after installation? Or...

Sent from my MI 4W using Tapatalk

Dzol Cp · Dec 15, 2018 at 5:49 AM

nikolce.markovski said:
These 800 MB free space is left after installation? Or...

Sent from my MI 4W using Tapatalk

Yes, im using treble rom, and it supposed to be like what you seeing. If no partition done. So there is no taste of trebel gsi rom.

dace.manutd · Mar 30, 2015 14 2 3

Great Guide, but how to copy the vendor files in the new Vendor partition, how to extract them from MIUI?

kaiz16 · Feb 4, 2017 98 21 18

May i know what's the most stable treble rom ur using rn?

Dzol Cp · Dec 27, 2018

dace.manutd said:
Great Guide, but how to copy the vendor files in the new Vendor partition, how to extract them from MIUI?

First post Reference link

kaiz16 said:
May i know what's the most stable treble rom ur using rn?

HAVOC OS 2.0 OFFICIAL GSI ARM A

Stickman89 · Jan 25, 2019

@Dzol Cp - Can you issue the following commands whilst you're in 'TWRP recovery' on your 16GB Xiaomi Mi3 that has a 2GB vendor partition....

Or anyone else for that matter...

Code:

adb shell
busybox fdisk -l /dev/block/mmcblk0

I would like to see your partition layout in blocks, the above command will output that information. Paste the partition table printed out in shell here, as I need this information to create a script that will benefit us all in the future.

Thanks.

stickman89

---------- Post added at 09:17 PM ---------- Previous post was at 08:57 PM ----------

Anyone with a 64GB cancro device, if you could post your partition table resulting from the above command before and after ammending vendor to 2GB; then I can also create a script for you too. Thanks.

Dzol Cp · Jan 27, 2019 at 10:56 AM

Stickman89 said:
@Dzol Cp - Can you issue the following commands whilst you're in 'TWRP recovery' on your 16GB Xiaomi Mi3 that has a 2GB vendor partition....

Or anyone else for that matter...

Code:

adb shell busybox fdisk -l /dev/block/mmcblk0

I would like to see your partition layout in blocks, the above command will output that information. Paste the partition table printed out in shell here, as I need this information to create a script that will benefit us all in the future.

Thanks.

stickman89

---------- Post added at 09:17 PM ---------- Previous post was at 08:57 PM ----------

Anyone with a 64GB cancro device, if you could post your partition table resulting from the above command before and after ammending vendor to 2GB; then I can also create a script for you too. Thanks.

Alright bro, will post for you asap. Now my current system is 1.5GB and only 200MB of vendor partition, are you sure that you need all info for 2GB vendor partition,
? in that case, so i need to repartition for 2GB vendor, bc vendor image just around 170MB (lot of space wasted), just give me sometime.

Stickman89 · Jan 27, 2019 at 2:07 PM

Dzol Cp said:
Alright bro, will post for you asap. Now my current system is 1.5GB and only 200MB of vendor partition, are you sure that you need all info for 2GB vendor partition,
? in that case, so i need to repartition for 2GB vendor, bc vendor image just around 170MB (lot of space wasted), just give me sometime.

That's fine. The 1.5GB partition table will do. Just use the commands I mentioned above... No point modifying your partitions further, especially if you're happy with your current table. Someone else can always provide their partition table for a 2GB allocation later.

If you've done it for both your 16GB and 64GB, then if you could provide the output for both that'd be useful.

Thanks.

shakysuraj · Oct 17, 2018 3 0 0

Please can you upload vendor image only

nighthowl · Dec 16, 2019 13 2 0

Thanks a lot,Great Guide

Meraj018 · May 2, 2020 at 5:40 AM

Dzol Cp said:

Thanks for ur hard work bro..now let's share some fully working treble rom...:good:

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[GUIDE][Project Treble] Manual - Create Vendor Partition for PT GSI ROM MI3/MI4

Dzol Cp

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