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TWRP for Umidigi A1 Pro

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By deadman96385, Retired Forum Moderator / Recognized Developer on 23rd August 2018, 06:30 PM
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This is a thread for installing TWRP on the Umi A1 Pro

Code:
/*
 * Your warranty is now void.
 *
 * I am not responsible for bricked devices, dead SD cards,
 * thermonuclear war, or you getting fired because the alarm app failed. Please
 * do some research if you have any concerns about features included in this ROM
 * before flashing it! YOU are choosing to make these modifications, and if
 * you point the finger at me for messing up your device, I will laugh at you.
 */
Download:

TWRP 3.2.1-0: Here

Steps to install TWRP
First of all, you will be required to unlock your bootloader.
Activate OEM Unlocking in developer settings
Activate USB debugging in developer settings

Now, open a terminal, if on Linux, or command prompt if on windows, and enter the following:
Code:
adb reboot bootloader
Code:
fasboot oem unlock
Follow the onscreen instructions to unlock your bootloader. THIS WILL WIPE YOUR DEVICE!!!
Once this is complete, it will go back to the fastboot screen.

Now, from within your terminal/command prompt, navigate to the folder where you have downloaded the above recovery.img to.
Enter the following command once there:
Code:
fastboot flash recovery recovery.img
This will flash TWRP to your device, overwriting the stock recovery.

Once this is complete, there will be a screen telling you how long it took etc. Now you need to hold down your volume up button, and power button. Keep holding these until you reach the menu for recovery, fastboot or normal mode.
Select Recovery.
This will boot you into TWRP

You will have to go through the setup of the whole android system again, but its worth it you now have TWRP to install the Custom ROMs that will be coming shortly

Have Fun!
The Following 3 Users Say Thank You to deadman96385 For This Useful Post: [ View ]
2nd September 2018, 02:55 AM |#2  
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Is this twrp good for treble GSI install?
3rd September 2018, 07:31 PM |#3  
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I'm assuming this TWRP doesn't have the encryption issue? The one I currently have keeps flagging for a password.
3rd September 2018, 07:59 PM |#4  
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Quote:
Originally Posted by peetee0007

I'm assuming this TWRP doesn't have the encryption issue? The one I currently have keeps flagging for a password.

This one is asking for password as well.
5th September 2018, 04:58 AM |#5  
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Does it actually work with your own password? Only way around it now is to wipe data and reboot into recovery before encryption takes place. Pain in the rear.
30th October 2018, 05:05 PM |#6  
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I can't get the Twrp flash to work. It stays with the old recovery mode no matter what.
Here's my story. I've managed to apply this correctly once to my phone before, but due to me messing around with system file I've soft-bricked my phone and had to flash the official stock rom for it, I picked the C390_FE_K8B_UMI_20180601_1838 cause "Hey, higher number should mean more recent." I'm not sure what was the version of the phone when it was brand new and now it seems that the phone is completely immune to rooting.
Any idea what I've might done wrong when unbricking my phone?
----------------------------------------------------------------------------------

I managed to get it to work again, turns out I had to let the wireless update take place, then after a couple fails with the "adb reboot bootloader" command I read the list of stuff that gets thrown into cmd when you just do adb. Reading the commands I saw a "adb reboot-bootloader" so I do that one, gets me to the fastboot screen and then I'm able to proceed along with the guide.

Moral: If you have to unbrick the phone by flashing the original rom into it, let the wireless update take place before attempting anything else with the phone.

Thanks for the twrp recovery, now I just gotta defeat the encryption.
1st April 2019, 05:45 PM |#7  
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Awesome work! How did you figure out how to get USB to work?
30th January 2020, 07:05 PM |#8  
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I will try this but can you share what custom roms can i use on this twrp/phone?
2nd February 2020, 05:14 PM |#9  
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Quote:
Originally Posted by blitzlee06

I will try this but can you share what custom roms can i use on this twrp/phone?

You can flash pretty much most of these GSI ROMs.

https://github.com/phhusson/treble_e...%28GSI%29-list
25th March 2020, 07:04 PM |#10  
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Quote:
Originally Posted by stevea76

You can flash pretty much most of these GSI ROMs.

https://github.com/phhusson/treble_e...%28GSI%29-list

how to check if im using the right architecture and partition style?
25th March 2020, 09:50 PM |#11  
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Quote:
Originally Posted by blitzlee06

how to check if im using the right architecture and partition style?

64-bit quad core, ARM Cortex-A53= arm64bit ,bbut doen'st mean camera or other feature will work out of the box...
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