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The first and simplest thing I would suggest is make sure you're pressing Play+VolUp together, and keep holding them down, until the Fiio recovery screen shows. And make sure you are NOT holding down VolDown by accident because that will override any other keys. If it's truly not working, then read on.
If for some reason some part of your flash got corrupted/wiped, I have a full flash dump you could recover with. Unfortunately I don't have anything rigged up to easily dump or restore bits & pieces of the flash. I can spin up something but it may take a couple of weeks.
If you really need to use the Fiio recovery, and you took a bootloader backup (fiiom3k-boot.bin), then you can restore it using the RB bootloader. That will restore the Fiio bootloader and should let you access the recovery. But this will only work if the rest of the flash is intact, which you can't easily determine yet.
Quote from: projeKct on October 04, 2021, 11:33:08 PMIs my player bricked? I might be reading your post wrong, but it sounds like you can get in Rockbox (power) and the original firmware (power+play) but just not in the original firmware recovery.
Is my player bricked?
Quote from: 7o9 on October 05, 2021, 02:56:41 PMQuote from: projeKct on October 04, 2021, 11:33:08 PMIs my player bricked? I might be reading your post wrong, but it sounds like you can get in Rockbox (power) and the original firmware (power+play) but just not in the original firmware recovery.That's exactly it! And you're right, I misused the word "bricked", because I can still use my player with Rockbox (version 75524a7eec-211002) and with FiiO (FW 1.4.5) but I can't reach the original firmware recovery mode. So it's not the end of the world, but I find it kind of stressful anyway.
Quote from: projeKct on October 05, 2021, 04:19:34 PMQuote from: 7o9 on October 05, 2021, 02:56:41 PMQuote from: projeKct on October 04, 2021, 11:33:08 PMIs my player bricked? I might be reading your post wrong, but it sounds like you can get in Rockbox (power) and the original firmware (power+play) but just not in the original firmware recovery.That's exactly it! And you're right, I misused the word "bricked", because I can still use my player with Rockbox (version 75524a7eec-211002) and with FiiO (FW 1.4.5) but I can't reach the original firmware recovery mode. So it's not the end of the world, but I find it kind of stressful anyway. I think if you were to put the original FiiO firmware update file on your sd card and boot the original firmware (play+power), it will flash your M3K back to original (removing Rockbox in the process).
Quote from: amachronic on October 05, 2021, 08:16:23 AMIf for some reason some part of your flash got corrupted/wiped, I have a full flash dump you could recover with. Unfortunately I don't have anything rigged up to easily dump or restore bits & pieces of the flash. I can spin up something but it may take a couple of weeks.I think that could help, even if I don't understand exactly what you mean by "anything rigged up to easily dump or restore bits & pieces of the flash". But if you can help, even if I wait several weeks, I would be very glad and grateful.
Quote from: amachronic on October 05, 2021, 08:16:23 AMIf you really need to use the Fiio recovery, and you took a bootloader backup (fiiom3k-boot.bin), then you can restore it using the RB bootloader. That will restore the Fiio bootloader and should let you access the recovery. But this will only work if the rest of the flash is intact, which you can't easily determine yet.Sadly, I think I made a mistake... I didn't make a backup before flashing my M3K, only after. So when I choose the Restore option, it says "Success" but changes nothing.
Quote from: 7o9 on October 06, 2021, 12:33:05 AMI think if you were to put the original FiiO firmware update file on your sd card and boot the original firmware (play+power), it will flash your M3K back to original (removing Rockbox in the process).But when I (or even you) press on Play+Power, it does not flash the player, it only starts the player in FiiO mode (and this is the way it's supposed to be).
I think if you were to put the original FiiO firmware update file on your sd card and boot the original firmware (play+power), it will flash your M3K back to original (removing Rockbox in the process).
I think what 7o9 is referring to is a menu option within the Fiio firmware to start a firmware upgrade.
Just out of curiosity, I just tried to get into FiiO Recovery mode (PWR+play+vol_up) on my own M3K and it also shows a black screen with just the keypad light on. I wonder if some units will do that and some units work fine? I don't think it needs the firmware file there in order to do the initial boot. I mean, it's not like I'm ever going to need that mode, but just for a data point...
When it finds a firmware file I think it will start flashing without prompt so even if the lcd does not show what is going on, it might flash the original firmware just fine. I should really try that but I like my Rockbox too much.
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