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Umidigi A3 Pro - TWRP & Stock Rom

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Cleopatra Bianchi

Senior Member
Mar 9, 2016
194
342
Milan
34pfcw9.jpg
sz79z5.jpg


Reserved exclusively for the stock rom V1.0_20181122

Download the stock rom V1.0_20181122 at the following link :

https://mega.nz/#!yxkUVA4I!0exovcsKTXb75YIBZfrqDC6Ak01wsv_Bp3Nl5mGQ7o8

Download the TWRP at the following link :

https://mega.nz/#!G510QIbL!sbPzFXUi1Nw5mPFZZOsejeES7-togQxg9mrUNjAeWrA

Download "Disable_Dm-Verity_ForceEncrypt_12.16.2018.zip" at the following link :

https://mega.nz/#!a092gK4A!SYjKF4EUujCmCfkDG5LJL1vJygij0Ure4bFhxVuCjX0

Download "Bu_&_Ma.rar" (Busybox & Magisk) at the following link :

https://mega.nz/#!C9lUjCqT!fBoh8p1Jg7pwbVRg8KQWKKs-eXH1eHq67_IKb1IUyyw

Please follow very carefully all the next steps :

1) Copy "Disable_Dm-Verity_ForceEncrypt_12.16.2018.zip" onto your microSD.
2) Unrar "Bu_&_Ma.rar" and copy Busybox zip & Magisk zip onto your microSD.
3) Flash the stock rom V1.0_20181122 through SP Flash Tool.

I strongly recommend the "Firmware Upgrade" option (on SP Flash Tool).

4) Tap on Settings --> System --> About phone
5) Tap seven times on Build number
6) Then, tap on Developer options.
7) Enable OEM unlocking & USB debugging.
8) Unrar the TWRP rar.
9) Run SP Flash Tool.
10) Load the scatter file inside the twrp folder.
11) Select Download Only option.
12) Click Download.
13) Connect your turned off phone to the pc with USB cable.
14) When at 100% please disconnect the USB cable.
15) Enter onto twrp recovery (volume up + power buttons simultaneously).

FUNDAMENTAL STEP

16) Select the first white line with volume up.
17) Press volume down to confirm.
18) Select language
19) "enter password" tap on cancel
20) Tap on WIPE
21) Tap on FORMAT DATA (type yes).

Consideration :

FORMAT DATA will wipe your internal storage.
I suggest you to make a backup before to format Data.

22) Return to the twrp home screen.

VITAL STEP

23) Tap on Reboot and choose Recovery.
DO NOT reboot your device onto System !
Tap on Do Not Install.
24) Tap Install, Select Storage, Micro SDCard, OK.
25) Tap on "Disable_Dm-Verity_ForceEncrypt_12.16.2018.zip".
26) Swipe to confirm Flash.

Consideration about "Disable_Dm-Verity_ForceEncrypt_12.16.2018.zip" :

Many thanks to @Zackptg5 for this zip.
This zip disable Dm-Verity, Forced Encryption, and Disc Quota Disabler.
Like Zackptg5 says :
"This zip should be flashed after anything that modifies your boot img (like a custom kernel) but before magisk/supersu since this zip creates the files that tells magisk/supersu to not encrypt".

27) Tap on Magisk.zip
28) Tap on Busybox.zip
29) Swipe to confirm Flash.
30) Tap on Reboot (into System) and tap on Do Not Install.
31) Be patient.
32) Set up as new.
33) Tap on Settings --> System --> About phone
34) Tap seven times on Build number
35) Then, tap on Developer options.
36) Enable OEM unlocking & USB debugging.

EXTREMELY VITAL :

37) Tap on Magisk Manager.
38) Upgrade to full Magisk Manager.

NOW you can see NOT ROOTED phone :

21cbj10.jpg


39) Reboot the phone.

NOW you can see ROOTED phone :

2e4jk9y.jpg


:)
 

I.F.A.

New member
Nov 19, 2019
1
0
Help

Hello!
A month ago I bought this device, the firmware was installed UMIDIGI_A3_Pro_N_V1.4_20190425 I wanted to install tvrp (I did not backup), but I did something wrong and the phone did not turn on.
installed the firmware from here the https://forum.xda-developers.com/showpost.php?p=79603220&postcount=134 phone worked but now the fingerprint has disappeared, how can it be restored (fingerprint)?
Thanks!
 
Last edited:

kozmo2k4

Senior Member
  • Like
Reactions: handyflo

gianni888

New member
Jan 27, 2020
4
1
nvram fingerprint

Hello everyone
I am a holder of wet A3 pro N android 9 V1.2 20190910
is it possible to save the nvram location where fingerprint is located with spflashtool? using the method you mentioned
thank you
 

gianni888

New member
Jan 27, 2020
4
1
nvram fingerprint

No. And for good reason - there is no legitimate reason to do that.

sorry if my english is not understandable
I rephrase the question
I took this phone recently and would like ROOT rights, but I have seen that with this version of rom it is incompatible
I'd like to downgrade.
I thought there was a way to perform a full backup of nvram, in case of ROM downgrade would I lose all functions including the fingerprint?
If you want to restore the IMEI, you can do it, but the fingerprint function doesn't
Will the function be in an NVRAM memory location? would it be enough to know if the scatter.tx file of this rom contains the call to memory addresses, or is it a system app?
This was my question
if anyone can help me even to clarify my doubts
Thanks again
 
Last edited:

kd7eir

Senior Member
Dec 16, 2010
98
30
sorry if my english is not understandable
I rephrase the question
I took this phone recently and would like ROOT rights, but I have seen that with this version of rom it is incompatible
I'd like to downgrade.
I thought there was a way to perform a full backup of nvram, in case of ROM downgrade would I lose all functions including the fingerprint?
If you want to restore the IMEI, you can do it, but the fingerprint function doesn't
Will the function be in an NVRAM memory location? would it be enough to know if the scatter.tx file of this rom contains the call to memory addresses, or is it a system app?
This was my question
if anyone can help me even to clarify my doubts
Thanks again

The fingerprint data is never able to be extracted from a device. WHY someone may want to extract it makes no difference. The fingerprint data is encrypted in a separate chip that cannot be backed up or restored to. Again, there is LITERALLY no legitimate reason to do that. Reset your phone to factory defaults? Take the 15 seconds it takes setup your fingerprint.

Your don't "restore" the IMEI - that is hardcoded into the phone at the factory.
 

Palxion

Member
Jun 5, 2014
14
0
Hello, my phone has the build number UMIDIGI_A3_Pro_N_V1.2_20191024. I am not finding a stock rom for that build number, here or on the umidigi forums... Anyone have any ideas? Really would like to be able to root this phone, but the more i investigate, im thinking it may not be a possibility yet...
 

handyflo

Senior Member
Jul 21, 2014
77
7
Is there any chance that we will a light Android 9 version with working TWRP recovery for the A3 pro N version?
Currently I have Android 8.1:

Umidigi_A3_Pro_N_V1.4_20190425

Any try to update to Android 9 results in a not working TWRP and unstable os
 

daniel1887

Member
Apr 7, 2019
10
7
Android 9 for Umidigi A3 pro with 8.1 vendor

Here is a Android 9 Version inclusive TWRP with 8.1 shipped Handys, fingerprint doesnt work
flash it about SP flash tool

https://mega.nz/#!Z4dQnayB!R0bWQFULWiHYkyNsvqkZVsfirD0Uzg8NwS2SJgp1KPU



User with Android 8.1 and TWRP can flash over TWRP Havoc OS this is Android 10
https://sourceforge.net/projects/ex....0-20191225-ARM64A-Unofficial.img.xz/download

Notes:
1. In TWRP go to install change from install zip to install IMG and use the system.img file and flash system not vendor
 
Last edited:

handyflo

Senior Member
Jul 21, 2014
77
7
Here is a Android 9 Version inclusive TWRP with 8.1 shipped Handys, fingerprint doesnt work
flash it about SP flash tool

https://mega.nz/#!Z4dQnayB!R0bWQFULWiHYkyNsvqkZVsfirD0Uzg8NwS2SJgp1KPU



User with Android 8.1 and TWRP can flash over TWRP Havoc OS this is Android 10
https://sourceforge.net/projects/ex....0-20191225-ARM64A-Unofficial.img.xz/download

Notes:
1. In TWRP go to install change from install zip to install IMG and use the system.img file and flash system not vendor

Thanks for the Android 9 update.
I could not find these version here, is this customized?

https://community.umidigi.com/forum.php?mod=forumdisplay&fid=209

Any issues by someone with that?

What is havoc Android 10 update?

I have the A3 pro n version with pre installed Android 8.1 and TWRP installed, can I use Android 9 or 10?
 
Last edited:

handyflo

Senior Member
Jul 21, 2014
77
7
Thanks for the Android 9 update.
I could not find these version here, is this customized?

https://community.umidigi.com/forum.php?mod=forumdisplay&fid=209

Any issues by someone with that?

What is havoc Android 10 update?

I have the A3 pro n version with pre installed Android 8.1 and TWRP installed, can I use Android 9 or 10?

does not work this version :(

Please flash this ROM only if your phone is shipped with Android 9.0 system. This software is NOT compatible with Android 8.1 phones!

https://community.umidigi.com/forum.php?mod=viewthread&tid=18937&extra=page=1
 

Samuel805

New member
Jun 21, 2016
2
0
Redmi Note 8
Android 9 for Umidigi A3 pro with 8.1 vendor

Here is a Android 9 Version inclusive TWRP with 8.1 shipped Handys, fingerprint doesnt work
flash it about SP flash tool

https://mega.nz/#!Z4dQnayB!R0bWQFULWiHYkyNsvqkZVsfirD0Uzg8NwS2SJgp1KPU



User with Android 8.1 and TWRP can flash over TWRP Havoc OS this is Android 10
https://sourceforge.net/projects/ex....0-20191225-ARM64A-Unofficial.img.xz/download

Notes:
1. In TWRP go to install change from install zip to install IMG and use the system.img file and flash system not vendor
how long do i have to wait to boot the system? my phone has been idle for 10 min
 

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  • 12
    34pfcw9.jpg
    sz79z5.jpg


    Reserved exclusively for the stock rom V1.0_20181122

    Download the stock rom V1.0_20181122 at the following link :

    https://mega.nz/#!yxkUVA4I!0exovcsKTXb75YIBZfrqDC6Ak01wsv_Bp3Nl5mGQ7o8

    Download the TWRP at the following link :

    https://mega.nz/#!G510QIbL!sbPzFXUi1Nw5mPFZZOsejeES7-togQxg9mrUNjAeWrA

    Download "Disable_Dm-Verity_ForceEncrypt_12.16.2018.zip" at the following link :

    https://mega.nz/#!a092gK4A!SYjKF4EUujCmCfkDG5LJL1vJygij0Ure4bFhxVuCjX0

    Download "Bu_&_Ma.rar" (Busybox & Magisk) at the following link :

    https://mega.nz/#!C9lUjCqT!fBoh8p1Jg7pwbVRg8KQWKKs-eXH1eHq67_IKb1IUyyw

    Please follow very carefully all the next steps :

    1) Copy "Disable_Dm-Verity_ForceEncrypt_12.16.2018.zip" onto your microSD.
    2) Unrar "Bu_&_Ma.rar" and copy Busybox zip & Magisk zip onto your microSD.
    3) Flash the stock rom V1.0_20181122 through SP Flash Tool.

    I strongly recommend the "Firmware Upgrade" option (on SP Flash Tool).

    4) Tap on Settings --> System --> About phone
    5) Tap seven times on Build number
    6) Then, tap on Developer options.
    7) Enable OEM unlocking & USB debugging.
    8) Unrar the TWRP rar.
    9) Run SP Flash Tool.
    10) Load the scatter file inside the twrp folder.
    11) Select Download Only option.
    12) Click Download.
    13) Connect your turned off phone to the pc with USB cable.
    14) When at 100% please disconnect the USB cable.
    15) Enter onto twrp recovery (volume up + power buttons simultaneously).

    FUNDAMENTAL STEP

    16) Select the first white line with volume up.
    17) Press volume down to confirm.
    18) Select language
    19) "enter password" tap on cancel
    20) Tap on WIPE
    21) Tap on FORMAT DATA (type yes).

    Consideration :

    FORMAT DATA will wipe your internal storage.
    I suggest you to make a backup before to format Data.

    22) Return to the twrp home screen.

    VITAL STEP

    23) Tap on Reboot and choose Recovery.
    DO NOT reboot your device onto System !
    Tap on Do Not Install.
    24) Tap Install, Select Storage, Micro SDCard, OK.
    25) Tap on "Disable_Dm-Verity_ForceEncrypt_12.16.2018.zip".
    26) Swipe to confirm Flash.

    Consideration about "Disable_Dm-Verity_ForceEncrypt_12.16.2018.zip" :

    Many thanks to @Zackptg5 for this zip.
    This zip disable Dm-Verity, Forced Encryption, and Disc Quota Disabler.
    Like Zackptg5 says :
    "This zip should be flashed after anything that modifies your boot img (like a custom kernel) but before magisk/supersu since this zip creates the files that tells magisk/supersu to not encrypt".

    27) Tap on Magisk.zip
    28) Tap on Busybox.zip
    29) Swipe to confirm Flash.
    30) Tap on Reboot (into System) and tap on Do Not Install.
    31) Be patient.
    32) Set up as new.
    33) Tap on Settings --> System --> About phone
    34) Tap seven times on Build number
    35) Then, tap on Developer options.
    36) Enable OEM unlocking & USB debugging.

    EXTREMELY VITAL :

    37) Tap on Magisk Manager.
    38) Upgrade to full Magisk Manager.

    NOW you can see NOT ROOTED phone :

    21cbj10.jpg


    39) Reboot the phone.

    NOW you can see ROOTED phone :

    2e4jk9y.jpg


    :)
    11
    A3 Pro V1.2 LIGHT

    Umidigi A3 Pro V1.2 LIGHT version

    It is a debloated version of the original stock rom V1.2_20181221.

    Added TWRP 3.2.3 and Simple Gallery.apk

    In the original stock V1.2_20181221 the free space onto System is 155 MB
    Instead, in the A3 Pro V1.2 LIGHT the free space onto System is 625 MB

    f0desk.jpg
    dos2o0.jpg


    Download the A3_Pro_V1.2-LITE.rar at the following link :

    https://mega.nz/#!jsVTUCCQ!qg4WabDN5U2QKHaSDFWjYZNBrMFv2mSKoVQ6dszEMUA

    Please follow very carefully all the next steps :

    1) Flash the A3 Pro V1.2 LIGHT through SP Flash Tool.

    I strongly recommend the "Firmware Upgrade" option (on SP Flash Tool).

    2) Turn on your phone.
    3) When the setup wizard will appear, turn off your phone.
    4) Enter onto twrp recovery (volume up + power buttons simultaneously).
    5) Select the first white line with volume up.
    6) Press volume down to confirm.
    7) Select language
    8) "enter password" tap on cancel
    9) Tap on WIPE
    10) Tap on FORMAT DATA (type yes)
    11) Return to the twrp main screen.
    12) Tap on Reboot and choose System.
    13) Complete all the requirements of the setup wizard.
    14) Tap on Settings --> System --> About phone
    15) Tap seven times on Build number
    16) Then, tap on Developer options.
    17) Enable OEM unlocking & USB debugging.
    18) Tap on Magisk icon.
    19) Upgrade to full Magisk Manager.
    20) VITAL : Reboot the phone (it is needed for the fully functioning of Magisk).
    21) Tap on the Play Store to update the apk.

    In the Play Store, the first time that you update (apk), it takes a little time.

    e1du1x.jpg


    DO NOT update the A3 Pro V1.2 LIGHT to a newer version (no OTA)
    8
    UPDATE

    UPDATE - NEW STOCK ROM & NEW TWRP

    23uyn2v.jpg


    TWRP reserved exclusively for the stock rom V1.1_20181211

    Download the NEW stock rom V1.1_20181211 at the following link :

    https://mega.nz/#!G9kwVSrT!yiS38SKmPfOGkKSCfrum4OzD2T2SKpctmUBr3fIBPNo

    Download the NEW TWRP at the following link :

    https://mega.nz/#!uwkkQYCb!Sb5ObKguewDLDE0Z3ma4m-W5KjZ28TUiK6QbrCm3cN8


    ;)
    8
    Update - 01

    UPDATE - NEW TWRP 3.2.3-0

    10dz1us.jpg


    There are two TWRPs :

    The first TWRP is reserved exclusively for the stock rom V1.0_20181122

    307pv0k.jpg



    The second TWRP is reserved exclusively for the stock rom V1.1_20181211

    308duud.jpg



    Please follow very carefully all the steps at the first post.


    Both TWRPs are available on Needrom

    ;)
    8
    UPDATE

    UPDATE - NEW STOCK ROM & NEW TWRP

    15o8ebs.jpg



    GUIDELINES FOR THE INSTALLATION OF THE OTA ZIP

    Please follow carefully all the next steps in order to install properly the OTA zip :

    1) Flash the stock rom V1.1_20181211 (Firmware Upgrade option on SP Flash Tool).
    2) Set up as new.
    3) Download the OTA zip (V1.2_20181221_update .rar) at the next link :

    https://mega.nz/#!bpsxxCCb!k-G1ndw1iygOsr1VQ_IM1xhEcm-mMJAxoxHMTSqZk-s

    4) Unrar the V1.2_20181221_update.rar
    5) DO NOT unzip the update.zip
    6) Copy the entire folder "V1.2_20181221_update" onto your microSD.
    7) Turn off your phone.
    8) Hit simultaneously volume up + power buttons.
    9) Hit the volume up button to select Recovery mode.
    10) Dead Android and red triangle error - NO PANIC
    11) Hit simultaneously volume up + power buttons several times.
    12) Hit the volume up or volume down buttons to move between the options.
    13) Hit the power button to select any option.
    14) Select Apply update from SD card.
    15) Select the folder "V1.2_20181221_update" onto your microSD.
    16) Select the update.zip
    17) Hit power button to start the installation process.

    2lwpsgp.jpg


    18) Select Wipe data/factory reset --> Select Yes.
    19) Select Wipe cache partition --> Select Yes.
    20) Select Reboot system now.
    21) Set up as new.

    2yzg84z.jpg


    22) Tap on Settings --> System --> About phone
    23) Tap seven times on Build number
    24) Then, tap on Developer options.
    25) Enable OEM unlocking & USB debugging.

    TWRP :

    24mdfnb.jpg


    A3_P-NEW-twrp_03.rar (ROOT STEPS AT FIRST POST)

    The twrp is available on Needrom

    ;)