Help, I bricked my A1

jonsmirl

Linux tools will destroy the flash as below. Now I have to reboot into Windows and see if I can fix it again.

Something is broken in the sp_flash tool. From Linux I using 1828  first I tried a download..
It wrote one partition and then hung until it disconnected...


vid is 0e8d

device vid = 0e8d

pid is 0003

device pid = 0003

com portName is: /dev/ttyACM0

Total wait time = -1532959958.000000
USB port is obtained. path name(/dev/ttyACM0), port name(/dev/ttyACM0)
USB port detected: /dev/ttyACM0
BROM connected
Downloading & Connecting to DA...
connect DA end stage: 2, enable DRAM in 1st DA: 0
DA Connected
executing DADownloadAll...
Stage:
[0] WRITE TO PARTITION [ preloader ]

Stage:
[3] WRITE TO PARTITION [ recovery ]

Download failed.
Disconnect!
User stopped.

Next I tried a firmware update...
It goes nowhere.....

Connecting to BROM...
Scanning USB port...
Search usb, timeout set as 3600000 ms
remove@/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/tty/ttyACM0

open VID device failed!

unbind@/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.1

unbind@/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0

remove@/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0

remove@/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.1

unbind@/devices/pci0000:00/0000:00:14.0/usb1/1-2

remove@/devices/pci0000:00/0000:00:14.0/usb1/1-2

add@/devices/pci0000:00/0000:00:14.0/usb1/1-2

add@/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0

add@/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/tty/ttyACM0

vid is 0e8d

device vid = 0e8d

pid is 0003

device pid = 0003

com portName is: /dev/ttyACM0

Total wait time = -1532960006.000000
USB port is obtained. path name(/dev/ttyACM0), port name(/dev/ttyACM0)
USB port detected: /dev/ttyACM0
BROM connected
Downloading & Connecting to DA...
connect DA end stage: 2, enable DRAM in 1st DA: 0
DA Connected

just sits here until it times out

jonsmirl

So it seems that the only SP_Flash that works is Windows 1824.  All versions of the Linux tools will brick the phone even in download only mode.

Now that I know what is going on, I used the Linux tools to initially download my code. So it was the tool that bricked the phone not my download (I have done that download dozens of times to other phones without issue).  I have tried many versions of the Linux tools and they all brick it no matter what mode they are in. Something the Linux tool is doing wipes out the preloader.

risan69

I already faced this problem and solved, try SP_Flash_Tool_v5.1828

Dazlian

I have a problem, my A1 its kinda bricked, but i didnt touch anything, when i press the power on button the screen turn on but keeps black, and i cant entry in recovery mode, i try to flash it but its the same the pc recognizes it and i can access to the storage but that is all, any idea?

MarcinP

Dazlian 发表于 2018-11-2 05:47
I have a problem, my A1 its kinda bricked, but i didnt touch anything, when i press the power on but ...

You should hold power button until phone power off. There restart your phone again.
If still doesn't working, you should flash full ROM with SPFT under firmware upgrade mode.
Here is SPFT instruction
http://community.umidigi.com/for ... &extra=page%3D1
And here all available ROMs
http://community.umidigi.com/for ... display&fid=195

gflores20

jonsmirl replied at 2018-7-30 12:32
I finally recovered it via Windows.  I'm not 100% sure what I did. But one step was to use checksum_ ...

HI. SAME PROBLEM hash_mismatch error, IN ONE PRO, WHAT DO YOU MEAN OF " USE checksum_gen on scatter file"

RonZ

Dazlian replied at 2018-11-2 05:47
本帖最后由 Dazlian 于 2018-11-4 04:42 编辑

I have a problem, my A1 its kinda bricked, but i didnt ...

Encountered a similar black screen issue. The black screen was caused by too many windows left open. After many startups, I managed to close all the open windows. Then the the phone ran normally. Hope this helps.

Lili

risan69 replied at 2018-10-5 16:03
I already faced this problem and solved, try SP_Flash_Tool_v5.1828

Please help me,i am facing the same issue for more than 2 days.

lainett

Hi everyone I have a question. How to restore imei and how to fix speaker volume?