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Dead after firmware upgrade

K

kancur

Newbie
Hi, i own a MyAudio 704sr tablet.
I downloaded firmware from official website together with Rockchip batch tool.
I upgraded the firmware, here is what log says:
Code: 
16:43:05 731    Rockchip Batch Tool v1.7.1.1 start run
16:49:01 723    Rockchip Batch Tool v1.7.1.1 start run
16:53:41 249    Rockchip Batch Tool v1.7.1.1 start run
17:03:07 986    Rockchip Batch Tool v1.7.1.1 start run
17:09:42 344    Rockchip Batch Tool v1.7.1.1 start run
17:15:28 197    Rockchip Batch Tool v1.7.1.1 start run
17:15:38 727    **********Upgrade Start Total<1>**********
17:15:38 730    <Layer 8-4-4> Test Device Start
17:15:38 732    <Layer 8-4-4> Test Device Success
17:15:38 735    <Layer 8-4-4> Check Chip Start
17:15:38 737    <Layer 8-4-4> Check Chip Success
17:15:38 739    <Layer 8-4-4> Get FlashInfo Start
17:15:38 742    <LAYER 8-4-4> INFO:FlashInfo: 0 0 85 0 0 10 10 28 20 4 1
17:15:38 744    <Layer 8-4-4> Get FlashInfo Success
17:15:38 746    <Layer 8-4-4> Prepare IDB Start
17:15:38 749    <LAYER 8-4-4> INFO:CS(1)        (4256MB)        (MICRON)
17:15:38 758    <Layer 8-4-4> Prepare IDB Success
17:15:38 760    <Layer 8-4-4> Download IDB Start
17:15:39 185    <Layer 8-4-4> Download IDB Success
17:15:39 189    <Layer 8-4-4> Reset Device Start
17:15:40 192    <Layer 8-4-4> Reset Device Success
17:15:40 195    <Layer 8-4-4> Wait For Loader Start
17:15:41 140    <Layer 8-4-4> Wait For Loader Success
17:15:41 143    <Layer 8-4-4> Test Device Start
17:15:41 146    <Layer 8-4-4> Test Device Success
17:15:41 150    <Layer 8-4-4> Download Firmware Start
17:17:39 611    <Layer 8-4-4> Download Firmware Success
17:17:39 614    <Layer 8-4-4> Reset Device Start
17:17:40 617    <Layer 8-4-4> Reset Device Success
17:17:40 620    **********Upgrade Done Success<1> Fail<0> Time<121900>ms**********
17:22:42 130    Rockchip Batch Tool v1.7.1.1 start run

After this, I can no longer turn on the device. Not even to the recovery mode. Its completely dead. Doesnt react to the USB or charger. Nothing works.

I tried opening the cover and desoldering the battery, then resoldering it again. Still nothing. Completely dead. Do you have any tips for me?

It is rockchip rk3026.

Thanks
 
Last edited:
kancur said:
Hi, i own a MyAudio 704sr tablet.
I downloaded firmware from official website together with Rockchip batch tool.
I upgraded the firmware, here is what log says:
Code: 
16:43:05 731    Rockchip Batch Tool v1.7.1.1 start run
16:49:01 723    Rockchip Batch Tool v1.7.1.1 start run
16:53:41 249    Rockchip Batch Tool v1.7.1.1 start run
17:03:07 986    Rockchip Batch Tool v1.7.1.1 start run
17:09:42 344    Rockchip Batch Tool v1.7.1.1 start run
17:15:28 197    Rockchip Batch Tool v1.7.1.1 start run
17:15:38 727    **********Upgrade Start Total<1>**********
17:15:38 730    <Layer 8-4-4> Test Device Start
17:15:38 732    <Layer 8-4-4> Test Device Success
17:15:38 735    <Layer 8-4-4> Check Chip Start
17:15:38 737    <Layer 8-4-4> Check Chip Success
17:15:38 739    <Layer 8-4-4> Get FlashInfo Start
17:15:38 742    <LAYER 8-4-4> INFO:FlashInfo: 0 0 85 0 0 10 10 28 20 4 1
17:15:38 744    <Layer 8-4-4> Get FlashInfo Success
17:15:38 746    <Layer 8-4-4> Prepare IDB Start
17:15:38 749    <LAYER 8-4-4> INFO:CS(1)        (4256MB)        (MICRON)
17:15:38 758    <Layer 8-4-4> Prepare IDB Success
17:15:38 760    <Layer 8-4-4> Download IDB Start
17:15:39 185    <Layer 8-4-4> Download IDB Success
17:15:39 189    <Layer 8-4-4> Reset Device Start
17:15:40 192    <Layer 8-4-4> Reset Device Success
17:15:40 195    <Layer 8-4-4> Wait For Loader Start
17:15:41 140    <Layer 8-4-4> Wait For Loader Success
17:15:41 143    <Layer 8-4-4> Test Device Start
17:15:41 146    <Layer 8-4-4> Test Device Success
17:15:41 150    <Layer 8-4-4> Download Firmware Start
17:17:39 611    <Layer 8-4-4> Download Firmware Success
17:17:39 614    <Layer 8-4-4> Reset Device Start
17:17:40 617    <Layer 8-4-4> Reset Device Success
17:17:40 620    **********Upgrade Done Success<1> Fail<0> Time<121900>ms**********
17:22:42 130    Rockchip Batch Tool v1.7.1.1 start run

After this, I can no longer turn on the device. Not even to the recovery mode. Its completely dead. Doesnt react to the USB or charger. Nothing works.

I tried opening the cover and desoldering the battery, then resoldering it again. Still nothing. Completely dead. Do you have any tips for me?
Thanks
Click to expand...
Hello and welcome to the forums. Did you have the correct download for your tablet. But at this point look for a reset button or whole on the tablet this will reset if this Dont work you will need to send in for repairs
 
I think you maybe done for have you tried to charge the tablet from a outlet and while charging try to boot up aka power on
 
kancur said:
Unfortunately it didnt solve my problem. The tablet is completely dead and doesnt react to anything.
Click to expand...
Hmmmm leave plugged for about 10 minutes unplug hold power button down and plug back in holding power button for 5seconds
If no action you may have to see if warranty will cover the device
 
The tablet is dead - i wanted to say that it doesnt respond to anything. I cant turn it on, i cant get usb connection working, i cant turn it into recovery mode. All this right after I flashed it into new firmware.
 
kancur said:
The tablet is dead - i wanted to say that it doesnt respond to anything. I cant turn it on, i cant get usb connection working, i cant turn it into recovery mode. All this right after I flashed it into new firmware.
Click to expand...
How old is this tablet . I think its time for REFUND OR EXCHANGE
 
Its pretty new. But my gf won it in a draw so it might be a problem. Is it normal to be so deeply bricked after firmware upgrade which (according to log file) seem to went fine and without errors...?
 
Yeah and no some tablets are just not made to handle somethings but it all has to ask what was the update it may have been a problem that they never taken care of . but in some major brand of tablets its has a good side and bad side . if the download messed up in anyway you can downgrade or its a unbrick that is been made . I have seen this problem with a tablet called prestige 10 the recovery doesn't work so you wouldn't be able to downgrade or upgrade .
 
wow, i now managed to get the usb connection working and reinstall firmware... Tablet still not working, I have to find another firmware version :)
 
7" 800x480
4gb built in memory
Rockchip RK3026 Max 2x1200Mhz CPU
512mb Ram
Android 4.2

This is what it says on the box. On the chip "Rockchip 3026" is written.

But im not sure if its what it said inside android settings - It might have been RK2926 written there.
 
kancur said:
7" 800x480
4gb built in memory
Rockchip RK3026 Max 2x1200Mhz CPU
512mb Ram
Android 4.2

This is what it says on the box. On the chip "Rockchip 3026" is written.

But im not sure if its what it said inside android settings - It might have been RK2926 written there.
Click to expand...
I think your missing some info such as the NAME :eek:
But I think this will help its acho

http://tabletrom.blogspot.com/2014/03/acho-mid-rk3026-7-inch-android-tablet.html?m=1

Look at this but I have the tech sending the firmware give me a second he is working as we speak . they asked do you have dual camera.
 
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