UMIDIGI A3 N V1.0_20181222 ROM - SPFT release

bencebacsi Post time 2019-3-8 03:13:16 | Show all posts [Copy link]
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UMIDIGI A3 N V1.0_20181222 ROM - SPFT release

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Post time 2019-2-27 03:33:46 | Show all posts |Read mode
This is the SP Flash Tool release of the
V1.0_20181222 system software
Please flash this ROM only if your current build number is UMIDIGI_A3_N...

Flash tool operation is recommended to experienced users only. If you are not yet an experienced flash tool user, please carefully read the flash tool tutorial before proceeding, and strictly follow each instruction.

Except if an authorized or responsible expert directly asked you to do that,
never format the flash chip of your device or you instantly lose your warranty!

UMIDIGI A3 receives all updates automatically via FOTA method. You need this tool only in case of emergency (if you've bricked your phone), if you want to apply a clean install or if you want to clear all root access and custom recovery to make your phone able to receive FOTA updates again.

First release for manufacturing

FOTA version: UMIDIGI_A3_N_V1.0_20181222_20181222-1306

SP Flash Tool

Flashtool tutorial:

Extract the .rar file before use. The scatter file (MT6739_Android_scatter.txt) is inside the extracted folder, together with the other components

VCOM driver: Windows 10 already automatically can install it (if your computer is connected to the internet) or you can use this: MTK_Driver_Auto_Installer_SP_Drivers_20160804.exe

Here's an optional solution to start the flashing process on your UMIDIGI A3 if the standard method doesn't work.
It's especially useful if your phone is bricked or is stuck in bootloop
1. Connect your UMIDIGI A3 to USB.
2. Start the flashing process with the Download button in the flasher app.
3. Press and keep pressed the power button of your phone until the flashing process starts (red bar appears at the bottom of the app window), then release it. In this process you have to keep the power button pressed for about 10 seconds.
4. Wait until the flashing process finishes.


Kind request from users:
Please report any kind of new issues you experience after installing this update only if you've already flashed this ROM with SP Flash Tool in Firmware Upgrade mode. In rare cases a FOTA update can cause more or less serious malfunctions but that means only the update process went wrong, not a badly developed ROM. An updated stock ROM, especially related to the basic functions will not cause any new issues but will solve some of the existing ones.







Senior Member

Rank: 2

Post time 2019-3-4 05:58:59 | Show all posts
Why this rom (phone) has no native sip available? All necessary stuff is present (in /system/framework). We can see that by rebuilding the system folder from system.img with MTK Extractor. It is lacking only the file giving permissions to use voip.
We can root the phone and put such file with any file explorer or with custom twrp if there was one.
I don't understand why some makers do this. Usually the voip calls with native sip have very good quality, no need to install a third party app.
So, asking again, why it is not available?







Platinum Member

Rank: 3Rank: 3

Post time 2019-3-8 03:13:16 | Show all posts
Technical certification I purchased a certified item, but there is no certification mark Please distribute the update file as soon as possible
I arrive at hand and wait for more than a week but if I sold it as certified too late, I can not do it unless I can update it at hand
This is a fraud
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