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custom firmware for sega flashback 2018

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Tertiary said:
On firmware 2.0.1. Anyone know why the console keeps freezing after about 5 minutes of use? Contacted ATgames...they are hilarious...seem to be using AI for customer service now. Thanks.
Click to expand...
I assume that started happening after the upgrade and now you cannot roll back.
IF that is true then I'll pull the file from the share here.
 

Help! Atgames 2018 sd card Sega Genesis black screen and error.​


Hello, I've tried everything to unbrick this device and not sure where else to turn. Any ideas beyond what's in the forum? No updates succeed, I used the utility to set up SD card. I can get into android setup using MENU button after it says error, like a standard Android phone, but nothing works there either. Even restoring from SD. Do I need to back up a good model first and try restoring?

Any idea on what else I can do?
Post automatically merged:

Has anyone seen this before on a possibly failed hardware chip or failed mod?
 
Last edited by dmanlv,
dmanlv said:

Help! Atgames 2018 sd card Sega Genesis black screen and error.​


Hello, I've tried everything to unbrick this device and not sure where else to turn. Any ideas beyond what's in the forum? No updates succeed, I used the utility to set up SD card. I can get into android setup using MENU button after it says error, like a standard Android phone, but nothing works there either. Even restoring from SD. Do I need to back up a good model first and try restoring?

Any idea on what else I can do?
Post automatically merged:

Has anyone seen this before on a possibly failed hardware chip or failed mod?
Click to expand...
What exactly happens when its powered on without the SDCard.

This is everthing that I have for the device: AtGames Sega Flashback FB3680
 
Last edited by MicroNut99,
MicroNut99 said:
What exactly happens when its powered on without the SDCard.

This is everthing that I have for the device: AtGames Sega Flashback FB3680
Click to expand...
No SD, No cart, for 1 second shows androids 3 color circle and immediately shows a black screen and centered in the middle of the bottom of the screen it says 'Error'. If then I push the MENU button, it goes to the standard looking Android menu screen.
 

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dmanlv said:
No SD, No cart, for 1 second shows androids 3 color circle and immediately shows a black screen and centered in the middle of the bottom of the screen it says 'Error'. If then I push the MENU button, it goes to the standard looking Android menu screen.
Click to expand...
Also, I did have the zip you provided and tried everything. When you put the update.img on the SD and boot, it says for approx 3 to 4 min, updating system, like its actually updating. No change. The results I posted above in the pic.
 
Inter
dmanlv said:
No SD, No cart, for 1 second shows androids 3 color circle and immediately shows a black screen and centered in the middle of the bottom of the screen it says 'Error'. If then I push the MENU button, it goes to the standard looking Android menu screen.
Click to expand...
Very interesting.
Good info in that screen shot.
This moves the scene tiny bit forward, even tho its at your expense.
Using a Google image search on this image pulls up some options.
Have you tried to wipe the cache partition?

Edit:
"like a standard Android phone, but nothing works there either."
So you've also tried the factory reset?

Also you must use a micro SD card that is formatted FAT32 and 16GB or smaller.
Post automatically merged:

Sorry for all the edits
 
Last edited by MicroNut99,
dmanlv said:
Also, I did have the zip you provided and tried everything. When you put the update.img on the SD and boot, it says for approx 3 to 4 min, updating system, like its actually updating. No change. The results I posted above in the pic.
Click to expand...
Custom Firmware only touches the emulator and data partitions, it shouldn't brick the console.
You are seeing the recovery screen, the OS partition is likely broken. You will need a full flash and the rockchip tool to try to recover the device. I don't think a IMG file with the full flash will work, you will need to solder 2 points to enable USB data transfer on the board. Post 72 has the solder points to enable USB data transfer (red traces)

While this post is for the Genesis Flashback 2017, the driver, tool and instructions are the same. Post 572 has also some information.

This is a full flash from the Genesis Flashback 2018, I will leave the link online for a few days. There is a readme file, backup the device before trying it, even if the OS partition is already bad.
Post automatically merged:

Tertiary said:
On firmware 2.0.1. Anyone know why the console keeps freezing after about 5 minutes of use? Contacted ATgames...they are hilarious...seem to be using AI for customer service now. Thanks.
Click to expand...
This is a hardware problem. I've tried multiple images, even flashing the image from a completely different model (Legends Flashback), and the device still freeze. There is a Youtube video of a guy "trying to fix it" (without success), and some people in the comments speculate it could be a SRAM issue.
 
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MicroNut99 said:
Inter

Very interesting.
Good info in that screen shot.
This moves the scene tiny bit forward, even tho its at your expense.
Using a Google image search on this image pulls up some options.
Have you tried to wipe the cache partition?

Edit:
"like a standard Android phone, but nothing works there either."
So you've also tried the factory reset?

Also you must use a micro SD card that is formatted FAT32 and 16GB or smaller.
Post automatically merged:

Sorry for all the edits
Click to expand...
Yes I tried all options, wiping the cache partition.

Yes I tried the factory reset.

Yes on 16gb and smaller SD formatted fat32. Was using a 1gb drive. Followed instructions to the T.
 
rrifonas said:
Custom Firmware only touches the emulator and data partitions, it shouldn't brick the console.
Click to expand...
Ok so then these may just have had something else happen to them.
rrifonas said:
You are seeing the recovery screen, the OS partition is likely broken. You will need a full flash and the rockchip tool to try to recover the device. I don't think a IMG file with the full flash will work,
Click to expand...
Roger that. Only seeing the recovery screen when update finishes, fails and then I press the reset button. Takes me right to the Android Recovery Options.
rrifonas said:
you will need to solder 2 points to enable USB data transfer on the board. Post 72 has the solder points to enable USB data transfer (red traces)
Click to expand...
Oh great, I suck at this part. Wish me luck.
rrifonas said:
While this post is for the Genesis Flashback 2017, the driver, tool and instructions are the same. Post 572 has also some information.
Click to expand...

Thank you for the info, Ill check all 3 posts. So I cannot use the below file unless I do the soldier?
rrifonas said:
This is a full flash from the Genesis Flashback 2018, I will leave the link online for a few days. There is a readme file, backup the device before trying it, even if the OS partition is already bad.
Post automatically merged:
Click to expand...
Thank you so much rrifonas! PS, also have a cockatiel! I'll keep everyone posted. PSS, rrifonas I'd be happy to send you one my cost if you want to experiment with it. I have several I'm trying to resurrect. If you fix, you can keep if you share the info. :) PM me if interested.
rrifonas said:
This is a hardware problem. I've tried multiple images, even flashing the image from a completely different model (Legends Flashback), and the device still freeze. There is a Youtube video of a guy "trying to fix it" (without success), and some people in the comments speculate it could be a SRAM issue.
Click to expand...
 
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MicroNut99 said:
I assume that started happening after the upgrade and now you cannot roll back.
IF that is true then I'll pull the file from the share here.
Click to expand...
I can't verify this is related to the firmware; the freezing issue may have been present before the upgrade.

I did however conclude with a stopwatch the freeze is like clockwork every 10 minutes...literally almost to the second. Power cycle and it will run for another 10 minutes exactly and freeze.

If I can get the old firmware, I could try rolling back and see if the freeze goes away.
 
Last edited by Tertiary,

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