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Update: The Line6 Support suggested to reinstall the latest firmware, reset and rebuild the factory presets without restoring my backup and test. I did, but same results/failure. Now I send my stomp a service center (as suggested when the testing is unsuccessful). In europe respectively germany we have 2 years warranty. I forgot about that.

No, you can't downgrade. The firmware does clamp the charge to a much lower voltage, and looks like the older the battery, the slower the charging process (I guess they need the charging speed to be way slower to prevent overcharging). Sometimes does take a full day before the transmitter starts flashing green, sometimes won't charge at all, even after days sitting in the charger. Re-flashing the unit with same firmware, sometimes, does probably reset the memory, and you can charge again..but then after coupe of cycles, it will start flashing red again. Also, the battery will last only couple of hours... old , new, doesn't matter. So, for now, just keep it in the charger for the rest of the day, and see what happens. If doesn't go green, try re-flashing again.... It's a ruined product, that's it. I sold both my G10 because of this crap, but I will keep complaining over here, 'til I feel better. :).

Awesome!! Thanks for the info. Fixed my issue.

I realize most of this thread is old. I just bought a used Helix Rack. It was on a very old firmware -- I think 1.0.65. I upgraded to 2.92, which presented problems of their own. Having worked through it, I had used the Rack for several days without issue. I left it on overnight, and it had dropped connection to the computer. When I rebooted, it had the -28 error in the upper lefthand of the screen. I tried rebooting. I tried all the reset modes, but only Update Mode worked. I was able to downgrade and upgrade fine, but every reboot had the error (went down to 1.9 and 2.8, and 2.90 and 2.91 and back to 2.92, and probably a couple of others). I called Line 6, and they tried running through some of the resets without luck. They finally opened an RMA and I am told replaced the DSP board. Glad it's repaired, back and working again.

@Hatman777 You could download the Helix Native plugin demo which should give you a good idea about what's possible. Doesn't have the switch assigment options, but then, without the hardware, they don't make much sense anyway. And in case you own a decent audio interface, you could even check out some sounds (the interface needs a good quality high impedance instrument input for that to work well).

It's stronger than knob wood

Hi, here we are at May 2020 with still no update... I've been trying to get my UX2 to work for MONTHS with my Mac Catalina OS... Usually I download Line 6 monkey and bam no problem but its unfortunate that we can't even download it because its not 64-bit. I miss using my tones and presets and especially with us all being in quarantine, I've been dying to record some stuff. I love some of these tones and fx, but it is rather difficult when nothing is being done about this. This is my comment, and only commenting on this because has anyone received any updates or know how to get the UX2 and Podfarm 2.5 to work on Catalina OS... what are some alternate options...?

Hi, i'm using my G10 for 3 years without any problem at all. Then I was in formed by Line6: Attention: Important Safety Notice, which you do not ignore. So without checking this forum (stupid me) I updated the transmitter and receiver to the new firmware, nothing fancy, update worked like a charm. But after plugging in the G10 nothing worked and the G10 seems to be bricked. I never respond to any forum, but just to let you fellow bricked (or not properly working G10's) users know and to let the Line 6 Experts know that there are a lot of users who do not reply on these kind of forums, because they already see the mass responses to the failure. I am one of those. What annoys me the most is that this would not have happened if we were not warned at all. Obviously you do not want to burn down your house, but you also do not want a useless product after an update. So to support the "complainers". LINE 6 please fix this a.s.a.p. And yes, I submitted a ticket (still waiting a response)

@phil_m Please Phil, it looks like you're really devoted to make us all feel like dumb. There's a serious problem with this firmware, let's be honest at least. How can you explain that just after the upgrade, the battery life drops from 8 hours to 2 hours for most of us HERE (I don't known all the 144k owners, I know...), and that some units are just bricked? I have bought my G10s on November 2019, so 4 months ago. It worked well with good battery life. And just after a firmware upgrade, it's just kind of useless. This unit is not that cheap, and we have bought it based on advertised specifications. So please, do not try to excuse line6 for this very poor firmware update. Because, it's a poor firmware update. I will send my unit back, once the covid-19 things are more relax. But for the moment, I am just very disappointed, and I just hope a firmware upgrade soon. I can live with 6 hours battery life for the sake of safety. 2 hours is just damn ridiculous. Also, I encourage everybody to open support tickets of course. I have opened one, and posted my answers here. I have opened another ticket today to get a firmware downgrade.

From my own experience, this appears to be due to an issue with the Logitech GHUB software, likely an IRQ conflict. Exiting the software from the system tray before plugging the Helix in stopped this issue from occurring.

Whoa that's kind of a beefy question to unpack. In fact, after writing this it ended up being a bigger beast then I imagined. You may just want to do yourself a favor and skip to the two videos below and see if that solves it first. Then if needed use the below for kind of a summary. Also, there are TWO EQs in the Firehawk, a guitar one and a global. The explanation below is for the simpler guitar only, but there is only one additional concept with the global, so once you have the basics it won't be nearly as hard to get the global down. EQ is one of those things that is nearly impossible to explain in a reply, and yet once it's figured out it's honestly not near as complex (conceptually) as it sounds, though you can freaking find yourself tweaking for hours. . I've spent countless hours trying to get a grip on visualizing it - so I feel your pain. Honestly though, the problem is it's much more simplistic than people tend to think it is. There's a few steps to understanding the Firehawk's EQ, in this order: 1. All sound is really just a specified number of vibrations per second. High frequencies have more vibrations per second than mid range frequencies, and mid range and highs have more than low. What are frequencies? They're basically cycles, or vibrations, per second. 2. You should envision sound as a conceptual wave , and your EQ attempts to mathematically shape that wave. So a sound wave travels - and there are low, mid, and high frequencies. 3. The human ear is a pretty limited beast - of the vibrations occurring in that aforementioned sound wave, it can only hear between 20 Hz and (or 20 cycles/vibrations per second) and 20 kHz (or 20,000 cycles/vibrations per second. Highs are towards the upper level of that. Mids are . . . well, kind of in the middle, and lows are towards the lower end. The older we get the more our ears suck, and most of us can barely manage 16 kHz. 4. A lo shelf and a hi shelf gain is a conceptual straight line - or shelf - at a particular frequency (so, for example, a low shelf set at 133 HZ represents a cut off point - or a shelf - like a metaphorical book shelf if you will, at 133 cycles per second). 5. The second control is a gain. On the Firehawk, you can either boost the gain (for example, by 1 DB - which means decibel) or reduce the gain (such as by -1 DB). What does that mean? Well, if you set the low shelf frequency at 133 Hz, and set the low shelf gain to -4 DB then you are saying I want all low frequencies from 133 (the shelf) or below to be reduced by 4 decibels. If you say +4 DB then you're saying you want them louder by that amount. The same is true of the mid range too. Hi shelfs work in the opposite direction. If you set a hi shelf at 3 khz (or 3,000 cycles per second) at +3 db then you are amplifying everything at that shelf and ABOVE. Reduction does just the opposite. 6. It's over my head as to why, but we don't refer to mid frequency stuff as a shelf. Nevertheless, on the Firehawk, you can set a frequency level for the mid range (for example, 864 Hz) and a gain or reduction just as with the low and high shelfs, and what this means is you are increasing or decreasing the mids at that frequency. 7. Equalizing is not an exact science. Every time you mess with a sound wave something is lost even when something is gained - think of it as the way magic is described in the Harry Potter series (I think it was Harry Potter). Even with shelves, you don't PERFECTLY reduce or amplify any of those frequencies - it's just a rough aproximation of what's happening. There's always a cost. You should keep this in the back of your head to keep yourself from being one of those people who falls down the rabbit hole of EQ'ing a perfectly imperfect gorgeous sound into a smoldering hell hole of slag. Once you've gone over the steps above, here are some tips: 1. A common beginners step with EQ is to "scoop" your guitar's wave. This basically means you raise the lows and highs and either ignore or actually reduce the mids. It's a simplistic way of thinking about it but in the beginning it can be a good starting point. 2. A great approach is to learn off of the Firehawk's presets, both the ones built in and the ones from the tone cloud. EQ is one of the things the presets worked on, so find ones you like and take a look at what the EQ did to HELP with the tone. This did wonders for me as I would pay attention to what generally made an acoustic preset sound good versus an electric. Finally, I wouldn't be surprised if a lot of this still sounds like gobbly lollipop. If you'd like to read up more on it, wiki is a great place, but also this site: https://www.ccisolutions.com/StoreFront/category/mix-like-a-pro-3-understanding-eq AND even better, the two videos below. They're based off the Spider V amp but honestly the Firehawk and the Spider are near cousins in the EQ world. If you watch both videos it should do wonders for you. Honestly you'll probably wonder why you waisted your time on my gobbly lollipop above:

Now my G10 is flashing red when on the base and does not want to charge any more! Is there a procedure to downgrade to the previous version of the firmware?

i cannot update my Relay G10 wireless. Please help me.