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IMHO this rates as the greatest Google find ever...well almost. Thanks to rayray987123 from www.motorolafans.com.
I just flashed my HT820 with new firmware to fix the skip problem. According to the info, any HT820 with designation SYN948A, SYN948B or SYN948C inside the headset band may have the skip problem. Mine is a 948A and the flash indeed fixed the problem. The flash instructions I in the attached .RAR file are in English.
NOTE: The headset MUST be turned off. As you are plugging USB cable into the headset, you MUST keep the forward and back buttons depressed. It will not go into flash mode otherwise.
I've been listening to my headphones for the last 30 minutes and they only skipped when I cupped my hand over the earpiece. Sound is as good as the original without the skipping of course. I'm happy!!!!
Flashed my HT820 with this patch succes! Will keep you posted!
Hmmm mine is not recognized, but also is a SYN948D .... any clues?
I'm not sure if you can flash this firmware to any other models. This is for A, B or C only. You may try to contact Motorola to see if there is an upgrade patch for your set.
Shameless bump on the front page. This is not a registry hack...it's new headset firmware and it flat works.
Just did it to my HT820 Part number SYN0948A. Seems not to have completely aliviated the problem completely but its a great great improvement. Where I was getting skipping/chopping every couple seconds I know can through a couple minutes of music. I'll update once I test it out a bit more since it has been only a couple minutes ha ha . Sorry I was just anxious to say Thanks and confirm that it does work. Now I dont know if its just me or it seems like volume is a bit lower and distorst when I put the Media player to 100%. But I dont know if its me like I said. Well I stop ranting and showing my excitement since now I feel like I didnt throw money away on my mda and ht820's since thats one of the major reasons I switched from my sk3
Try the priority256 hack on the registry and see if that doesn't bring it in line. This morning I was trying o listen to Resco Radio and it was skipping all over the place. I did that registry hack and Barry Damn White is coming through seriously clear.
well i have an asian knockoff from ebay... and numbers have worn off on it so i cant tell if i have one that can be updated or not.. when i press down the back and forward and insert the mini-B nothing happens for me, just charges... at any rate i did a reg hack on my 8125 and got rid of the skipping anyway..
First of all, the Asian versions on Ebay are typically not knockoffs. They are the same headphones produced for the Asian market with different firmware. Knockoffs are out there, but if the headphones are coming in the box with paperwork, most likely they are not. I do live in China and believe me it's easy to find the fakes.
Second, the cab that shogunmark posted also has a bad key. Check the registry after installing and you'll find the key AD2P instead of A2DP. That does exactly squat. In addition, the various registry hacks on this board do little or nothing if the firmware on the phone is faulty. Believe me, I used all of the registry hacks and nothing kept them from skipping until I updated the firmware. If a reghack alone fixed your skipping then you have good firmware already installed. The only reason mine were skipping this morning was that the wifi was running at the same time and the priority256 hack gives higher priority to the A2DP dll.
Third, you MUST follow the directions to the letter, or the headphones will not enter flash mode as you plug it in.
jwzg said:
First of all, the Asian versions on Ebay are typically not knockoffs. They are the same headphones produced for the Asian market with different firmware. Knockoffs are out there, but if the headphones are coming in the box with paperwork, most likely they are not. I do live in China and believe me it's easy to find the fakes.
Second, the cab that shogunmark posted also has a bad key. Check the registry after installing and you'll find the key AD2P instead of A2DP. That does exactly squat. In addition, the various registry hacks on this board do little or nothing if the firmware on the phone is faulty. Believe me, I used all of the registry hacks and nothing kept them from skipping until I updated the firmware. If a reghack alone fixed your skipping then you have good firmware already installed. The only reason mine were skipping this morning was that the wifi was running at the same time and the priority256 hack gives higher priority to the A2DP dll.
Third, you MUST follow the directions to the letter, or the headphones will not enter flash mode as you plug it in.
Click to expand...
Click to collapse
First of all thanks for the flame :roll:
second i never said i didnt like my asian version, works great for me, dont care if its asian or a fake or both. Its definitely poorly made, but i dont care, for $50 on ebay after shipping im happy with my purchase.
3rd, i didnt make that reg hack, all i know is that i tried everything.. Mine was skipping every 10-15 seconds when playing music and it drove me nuts.. i finally came across that reg hack somewhere on this board (dont remember the thread) and bad key or not it fixed my problem..
And finally, i did follow the instructions to a T.. next time i will post that i held the 2 buttons down, plugged in the mini-B and "waited 3-5seconds" and still nothing, just a solid blue charging light, no flashing blue light..
so excuse the f*ck outta me for giving my 2 cents on what worked for me, im just trying to help others on this board just as much as others has helped me.
No flame intended. Just be careful what you post. Not that the cab would brick your device, but posting any old cab without knowing its source or what is in it is not what makes this forum great.
I certainly didn't mean to flame you, but was trying to separate fact from fiction. Perhaps I sounded harsh and for that I apologize.
Better?
One last thing; the buttons on the right earpiece are the correct ones. It should go into flash mode if it's the real deal. Again, sorry for being assuming, but I don't give up easily.
This ain't working for me either. I can't get it to go into flash mode. I turn the head set off, hold the buttons, plug in the cable, and wait . . . and the light just stays on. Nothing changes when I release the buttons.
So, if it worked right for you, did the lights turn on as soon as you plugged in the cable, and did it start flashing before or after you released the buttons?
I have PN SYN0948A so blah on me.
The light will not begin to blink until it has been plugged in for a few seconds. Keep the buttons depressed until it does. Once again the buttons on the right side earpiece must remain depressed while the cord is inserted. As long as the lights are blinking, you can run the .exe in the patch and just follow the instructions from there.
I'm certain it does work. However, this seems to be a problem with more than one person, so I have no idea if its the way you are doing it, or the headsets.
Well I was able to do something that made the right light slowly turn on then off again. And now lights aren't working reliably (ie the left light flashes like normal when I turn them on, but the lights stay dark when I plug it in to charge). It doesn't seem to respect me pressing both right buttons to turn the lights on and off.
I've tried it with the headsets on and off, tried it with various USB ports, and the like. I'm pretty sure I've done it the right way at least once, but no dice.
Thanks for putting up with my fumbling though.
I guess you can add me to the list of failures. I can't get my SYN0948A to go into the flash mode. I've followed the instructions but the lights do not flash at all. Is there any other way? (hopeful)
I guess you can add me too!!! (SYN0948A) ;-(
I just flashed my 48A with the firmware provided above. Great Job!!! No more skipping. Not to mention, the range of the headset has increased by about 5 metres. Dont know if that was supposed to happen :lol:
I just flashed my 48A with the firmware provided above. Great Job!!! No more skipping. Not to mention, the range of the headset has increased by about 5 metres. Dont know if that was supposed to happen :lol:
Glad I could help Nerker.
If you see new hardware added (Ht820) when you attach the headphones, they are in boot mode whether the light is flashing or not. Make sure you are pressing the forward and back buttons (NOT the volume) and the power is OFF when inserting the USB cable. (all caps for emphasis, not screaming, lol)
Thank you so much for posting this. I followed the instructions and my headphones (syn0948a) work flawlessly. No more skipping!!!
hi everyone
ive seen quite a few busted/malfunctioning standby button posts but none have had any proper answer other than to open the device and clear the dust.
ive done exactly that- opened up the device, blew off all the dust. but no help.
on closer inspection i realised that the legs of the standby button had actually come OFF the circuit board.
now..i could probably take it into a mobile shop and have it fixed. but i wonder if there is any software out there that could possibly simulate a Standby Button press?
this would be especially useful for flashing ROMs..
i am sorry but i can't figure out, how it should work. if it was some sort of cab and you "pressed standby" once, how would you wake up the device, you can test that with pshutxp. plus, the program would of course not be accessable when turned of or for reset. when reflashing the device, the prog would be gone anyway. if there was a remote program to control via pc, same thing, when your device is in standby, there is no pc connection, and again, no way to do it, while not being sync with AS. so the only actual access to that function is the hardware button itself, so instead of trying to substitute it, you should probably go get it fixed or order spare parts, or an entirely new device, which is probably the cheapest.
greetz
Chef_Tony
thanks for the reply
well i just need to press it once :S
to flash a new ROM
after that i can then reinstall the app (if it exists) to do any hard resets thereafter i guess......
zes, and that is the problem, in that situation, trying to start the bootloader, and also after flashing for the hard reset, you don't have any external access to the functions or to any programs on your device (since at that moment there are none, quite redundant). the one and only option to give the device the power buttons impulse, is the power button.
also i guess you're aware of the fact that upgrading your rom does not solve nor avoid your problem, you will still have no key lock, drain incredibly much standby time and once the device shuts off, you need to soft reset it to restart. if the button in physically broken, it needs to be physically repaired or your problem will not be solved.
http://mikechannon.net/PDF Manuals/HTC Blue Angel Service Manual.pdf
that is the ba's service manual, in which you can find the exact process on how to change the power button, and if you don't have spare parts, you could get inspired on how to substitute one...
also, maybe posting a photo of the damage to your button could make people who went through the same be able to advise you exactly, since all my experience in the hardware section of the ba is purely theretical.
greetz
Chef_Tony
hi tony
thanks.
after the flash i can still access the clear reg hive thing by holding record and cam button..
that should be all i need.
as for waking the phone, i can set it not to disable other buttons while on standby, so i can wake it with Call/End buttons.
and then with that, i can use s2cu to software lock the device to avoid accidental presses.
but you're right, nothing better than getting it fixed physically.
i GUESS itll just require resoldering the little switch back on, as the damage is that 2 of its pins have left the circuitboard. i dont have the tools to do a small and precise soldering job so..
ill try to take a pic too and post one later
well i dug deeper...
seems that there is a 'Enterbl.exe' thats supposed to be related to enterin the bootloader without having to do all the hardware keypresses.
I've not yet had luck with this...dont know which 'version' i need..
so perhaps to rephrase my question:
is there an alternative way to enter the bootloader mode on the blue angel?
similar to the Wizard Service Tool (which i also tried out of desperation, though all it does is blink the BA's screen)
I have some questions. (Copy from the old thread)
1. I mean that i read it here, but I'm not sure. At the moment I have very often the bug, that the volume button not works. Mute works, but louder and quieter not. I don't know when it doesn't work, but after a while no function.
2. Since a few days I have the wifi problem, that wifi works sometimes and after a while too, it shows empty bars and shows the connection but it doesn't work. In other case if I start the radio he can't find any WiFi. Why?
3. Since a few days the touchscreen doesn't work. I have set, that i can See if i touch. Then it shows a point. so i can see that the touch works, but there is no reaction. After a minuten the radio shows the bootlogo and have a loop. So i have start the radio new with reset or power off from the car.
4. Since a few days if i turn off the key normally all lights form the radio and display shut down. Additionally board computer shut down too after a few seconds. Now the light from the dvd tray is on and board computer too (after a lock from the car too). I dont know why but I don't know if that is so good (Battery).
All this errors are since a few days. I tried to do any settings but the problem is always here. Does anyone no about that? I think it's an app, but I don't know which one. The last chance (if I get no solutions) is to install another rom? That is really crazy, because it's only since a few days. The days before it works perfect.
I have JY 2.73 with the Malaysk Rom from September (1024).
Thanks
Update: Now i installed 2.59 JY and tried again. WiFi will always gone with no bars. So i turn off and turn on again. At the most cases it works. But the problem is here again. The same with the touchscreen crash. 3G doesn't work. always no bars.
So the previous MCU doesn't work again. Maybe a software error.
Could you please try to measure the voltage alignedto the HU while you encounter those problems? I rellay mean at the radio side (so not at the battery poles).
Such issues could be lack of voltage. If not and flashing does not solve it could be a defective unit.
Just to ensure: You flashed Firmware AND MCU? AM I right wit this assumption?
If not: Try to flash a new ROM first (probably try Malaysk ROM)
Btw: Moved to Q&A
dark alex said:
Could you please try to measure the voltage alignedto the HU while you encounter those problems? I rellay mean at the radio side (so not at the battery poles).
Such issues could be lack of voltage. If not and flashing does not solve it could be a defective unit.
Just to ensure: You flashed Firmware AND MCU? AM I right wit this assumption?
If not: Try to flash a new ROM first (probably try Malaysk ROM)
Btw: Moved to Q&A
Click to expand...
Click to collapse
Thx for answer. How can i measure that? Do you know which cable it is? And if the cable shows not the 12V? What can i do to fix the problem?
Sure. I have Malaysk Rom and the MCU JY 2.59.
you would have to get amulti- or vooltmeter and attach that between plus and ground pins at your HU.
If you don't know how you should eigther try to follow another way first if possible or ask someone to do it for you (it's electrics)
dark alex said:
you would have to get amulti- or vooltmeter and attach that between plus and ground pins at your HU.
If you don't know how you should eigther try to follow another way first if possible or ask someone to do it for you (it's electrics)
Click to expand...
Click to collapse
Thanks. I ordered a multilmeter. Maybe it's the battery. At the moment the car works really hard if I start it. The radio takes so much battery but the radio is off. So that can be the problem.
low voltage can cause many weird problems but you have to know a new battery might not solve your problem!
If you have low voltag while the engine is ruunning then you have a different problem. eighter there is a connection issue somewhere on the path the energy takes from battery and generator to the HU or your generator might have a problem. But that is open to check when we know if it really is a voltage issue.
Hi,
i'd like to give you an update for my problems. Since the last days I have the problems, that my car didn't start. Now we see, that the battery is nine years old. Now I charged the battery (tomorrow I'll get a new battery) and the first test shows WiFi works for 3 minutes. I know - that's not a lot, but I only can try if I have the new battery. 3G doesn't work - always the same. But that's not so important for now.
At the moment I don't have the volume error. I will test it, If i have a longer car drive.
The problem with the touchscreen is actually. Since a few time, after few minutes the touchscreen is bricked and I see the points that i touch it, but I can't click anything. If I touch ten times, twenty times or often then radio shut down and shows the boot logo... forever... it doesn't boot again. So I have to make a hard reset.
And the last point with the light board computer and the light dvd slot after plug off the key is actually too. It don't shutdown the lights on the standby time from 10 minutes (set it to 10 minutes). I know now, that I can shutdown it completely if I press the volume button for 3 seconds. Than it's turn off. So it's a setting problem from the firmware?
Today I plug in the key - nothing. Radio doesn't start. So I looked behind the radio and saw, that one thin cable is not in the wiring harness and I can see the wires on the cable. So I tried to put it in the wiring harness again. I hope it works longer now. I wrote carjoying and ask for a new wiring harness. Maybe all problems will be fixed, If i have a new.
Hello again,
now I've got a solution for the wifi problem. I've tried to connected wifi - i Known that doesn't work only few seconds and after a few seconds it shows 0 bars on wifi... now I disconnected my 3g stick and LOOK it works... full bars, no losing connection. I connect 3g again and the same problem after a few seconds.
So th3 3g stick (E1750 from Huawei) makes some problem OR the usb cable?
Huawei E355 also not working. Same connection problems with malaysk rom MTCD
Any suggestions?
I just bought a PX5 unit, which seemed to be working perfectly until I finished installing it into my car and now it has become unresponsive with a black screen and a yellow rhombus with an exclamation point in the middle (unable to upload image as new user).
If I turn off the ignition, it will turn the stereo off and the android screen briefly shows before going into sleep. None of the buttons are allowing me to get past the screen and in to android. The reset button seems to do nothing, android is definitely running in the background, just unsure as to why this screen will not close. Any ideas?
Hi, I think I saw a yellow rhombus with an exclamation point when I was installing my radio and rear view camera was not connected to the radio. I think that it is a warning about missing video signal when radio is displaying live feed from a rear view camera.
So, one explanation for your issue could be that the radio thinks you are reversing, and the rear view camera is not connected to the radio. If I understand it right, radio can switch to rear view camera display mode based on two conditions 1) canbus information 2) +12v trigger signal.
For the condition 2), you could check that nothing is unintentional connected to reverse detect wire. If that does not help, then you could perhaps try to disable reverse view feature in the configuration menu before installing the radio to the car and/or find a working canbus configuration settings.
Please notice that I'm a beginner with Android head units and your problem might well be something totally different!!
Thanks for your reply. Some of your post seems to relate to my issue definitely, I think it is linked to the rear view camera which is currently disconnected. However I am unable to get into any configuration options. None of the buttons/resets I try get me past the exclamation screen, I can only see android once I turn off my ignition when it tells me it is closing down. None of the various reset button combinations seem to do anything with my head unit either, can't seem to reset it properly. Its strange, I will reattach the camera tomorrow and see if that brings any joy. I don't know anything about this stuff myself but I am wondering if I did something to the head unit to brick the non-android side somehow.
Edit: Unfortunately reattaching the camera did not change anything.
Update. I have managed to find a way in to the Android side if I connect my phone via bluetooth to the stereo, it then lets me use the split screen function via the top bar menu to put the warning screen other screen to the side, however whenever I touch the screen or attempt to use the android interface, my stereo goes back to the warning screen, none of my inputs via the stereo buttons or the touch screen seem to be registering with the Android side? Very confused. I have also tried as many button combination resets I can find and I have not been able to successfully get into the recovery menu, or any change except rebooting.
Was your unit professionally installed?
Also, what did the re-seller suggest when you contacted them for support?
No the unit was not professionally installed. I am not sure how I've become stuck with the problem. I made some minor changes in factory settings but nothing I thought would of caused this. The seller is yet to respond and its been a couple of days, but I have requested the hardware reset methods for this unit or any other solutions.
deano35 said:
No the unit was not professionally installed. I am not sure how I've become stuck with the problem. I made some minor changes in factory settings but nothing I thought would of caused this. The seller is yet to respond and its been a couple of days, but I have requested the hardware reset methods for this unit or any other solutions.
Click to expand...
Click to collapse
Check the reverse wire on the back of the unit...if necessary disconnect it to ensure no reverse signal is received.
If your unit can boot into android normally then you will have to figure out why the reverse wire is receiving signal .
Check your connectors to avoid any of them to be loose.
Enviado desde mi SM-G950F mediante Tapatalk
Everything has been disconnected from the unit except the power cable to car and and canbus, from what I can tell nothing is loose. Unit will not boot without the canbus box whatsoever, not sure if that is meant to happen.
deano35 said:
Everything has been disconnected from the unit except the power cable to car and and canbus, from what I can tell nothing is loose. Unit will not boot without the canbus box whatsoever, not sure if that is meant to happen.
Click to expand...
Click to collapse
Yes, canbus decoder need to be connected for power up the HU. If you dont need the decoder box you need rewire the harness.
I think I am going to have to request a refund and return it. Still no reply from the reseller and I am not sure what else I can try, everything that is not needed to power it has now been removed. I can't send links or else I would update the thread with a video of the touch/physical buttons being completely unresponsive even when I manage to get to Android. The unit has definitely developed a fault and I am unable to reset it. Admittedly it could be my fault somehow as it was working for the first few boots, but unless they give me something to try I am just going to have to send it back.
Quick bump. Has anyone got any further ideas? I bought off Aliexpress so contact with the seller is slow and painful, they do not seem to understand the issue and just keep telling me to disconnect all wires and reconnect. Which has been done many times. If anyone wants to post a link to the video for me I would be happy to send them it privately.
deano35 said:
Quick bump. Has anyone got any further ideas? I bought off Aliexpress so contact with the seller is slow and painful, they do not seem to understand the issue and just keep telling me to disconnect all wires and reconnect. Which has been done many times. If anyone wants to post a link to the video for me I would be happy to send them it privately.
Click to expand...
Click to collapse
I would start a dispute with them. I had a device that they sent with similar problems and plenty of issues, which they would not help with or would not understand. Best option is to dispute to get a new device or a full refund. Could you send the video?
xLeviNx said:
I would start a dispute with them. I had a device that they sent with similar problems and plenty of issues, which they would not help with or would not understand. Best option is to dispute to get a new device or a full refund. Could you send the video?
Click to expand...
Click to collapse
Yeh I have a dispute open currently, just was hoping it would inspire the seller to actually offer up a working way of resetting the device. Had to add link below seperately as needed to be ten or most posts.
https://www.youtube.com/watch?v=ujHacKESAT8&feature=youtu.be
The stereo defaults as the warning image black screen and I can only get android up using the multiwindow button with a long press. Then the android side will not register any input and will keep trying to put the black screen to the front.
Update: I have been told by Aliexpress I can have a partial refund and keep the unit, or a full refund if I return to China. Anyone have any ideas how I would go about resetting the unit if I took the partial refund? To be honest I think my only option is to return it and get the full amount back but any ideas would be welcome! Shipping to China and awaiting a refund is going to take weeks, would rather just get it working if possible.
deano35: any progres? I have the same problem as you. This is my post from PX5 MTCD/E Head Unit Discussion Thread
" Hi , I have https://s.click.aliexpress.com/e/DtwdJIt its px5, Mtce_gs_v2.90c. Now I have a little problem with rear camera. I bought reverse camera and tried to connect it into front camera input(I was curious how it would look like) and since then its stuck on camera view. Even after disconnecting camera. Only solution was disable "prohibit reverse" in factory settings menu, but with "prohibit reverse" disabled is obviously not showing reverse camera when I gear the reverse down. Everything is shown in this video. https://photos.app.goo.gl/XbYUHApzT8qTezkq6 Thanks for any advice. "
Take a look on the video, its similar as yours.
Hi guys,
I just bought a car unit android 8, but the screen sometimes (90% of times) looks flipped left-to-right. Sometimes is also flipped upsdide-down+left-to-right.
And sometimes I get the screen working as it should be, flawlessly, until I do not restart the car.
The defect appears from the beginning, right from the initial logo, and it remains also if I try to reset the unit. Also when I get the "boot" text menu, it appears flipped as everything. (edit - in addition, the touch layer still working in the right way, so I cannot easily understand what I'm touching on the screen, and this makes everything more complicate)
The unit is a px5, 4GB RAM, 8-core, the MCU is MTCE_XRC_V2.93_1.
I didn't already tried to overwrite the android files, because I'm trying to get some assistance from the producer. Anyway the product is coming from China, so I guess I will have to do it by myself. Until now, I rebooted, reset, cleaned, changed startup settings, and spent a lot of time in doing and re-doing all these tasks, but the unit still like at the beginning.
My question for you: do you think is it hardware problem, or can be fixed with a firmware update?
Do you have any suggestion, setting or trick in order to solve the problem?
Thank you in advance for your help.
Kind regards
It looks like a hardware problem indeed. The touchscreen 'digitizer' is apart from the display in the front. You could try if the ribbon cable inside the radio is firmly connected to the mainboard i guess. Otherwise i think a new screen..?
I will have the same issue with this same units. I write to selller , he send me a new spare part responsible for displaying the image.
I have the same problem. What is the spare part that solve this probem? Thank you in advance.