yashsingh1/xdaforums huggingface dataset:
[Android Head-Units] shadowmike:
No internet is needed for binaries.

What version are you rooting ?

Baidu then superuser should work.

Esfile explorer will not get root.

Use root explorer. Yandex --v

sent with HTC ONE M8

An21-U file repo [url =https://passport.yandex.ru/passport?mode=auth&from=cloud&retpath=https%3A%2F%2Fdisk.yandex.ru%2F]Log-In[/url] U: xdaan21u P: u12naadx

---------- Post added at 02:14 AM ---------- Previous post was at 02:08 AM ----------

Kind of makes sense as Android could have been reading an older file that wasn't needed. By cleaning the files and Android repopulating the file or using a newer source for settings the radio could / should function better .

sent with HTC ONE M8

An21-U file repo [url =https://passport.yandex.ru/passport?mode=auth&from=cloud&retpath=https%3A%2F%2Fdisk.yandex.ru%2F]Log-In[/url] U: xdaan21u P: u12naadx
[Android Head-Units] hamid_valad:
2.8.8

so the problem is with esfile explorer.

i will give root explorer a shot.

thanks
[Android Head-Units] kaween:
Yeah, that will probably solve it.

If you like something more old-school, try the android version of Total Commander (an old Norton Commander clone) too. Doesn't have any issues with root access either once a device is correctly rooted, and I still like the "source and destination" window approach of it. :)

---------- Post added at 10:32 AM ---------- Previous post was at 10:13 AM ----------

Hi there !

Anyone running Viper4Android on these units ? Don't be shy, I know you must be out there ! ;)

I'm beginning to get senile I'm afraid, but I simply can't find it. On my previous units, I ran V4A and there was a "Room Size" system on it which worked very well actually.

On the AN21, I can install V4A no issues and it works, but there's no Room Size/effect/DSP kind of function. Is it possible this is not included in the 4.x versions of V4A and only exists on the 2.+ versions ? Or am I doing something completly wrong ?
[Android Head-Units] ryrager:
BC6 Module deployed!

Hi All

Thought I'd update you all on my BC6 upgrade. Worked perfectly. replaced old module installed new module. Turned on BC6 in User Settings and tada I have Torque and Phone running simultaneously :)

Had bad run with the NU3001 though... intermittent operation. Grrrr
[Android Head-Units] FeEPro:
Which 2.8.8 Firmware for DVD Drive?

Hello mates,

which 2.8.8 Version support the DVD Drive?

I don't want to flash the drive dead.

Can someone PN me the right Link?

Thank you.

Best Regards
[Android Head-Units] kaween:
Take the 2.8.8_TT_permroot.zip from the Yandex location found in all of Shadowmike's posts.

Works correctly, no risk of loosing DVD. As far as I know, that only happens with a very specific, quite old firmware. (2.6.x... exactly which one I can't say from memory).
[Android Head-Units] djblaze852002:
Dead Unit

So my unit is definitely dead (screen goes white and buttons dim/turn off immediately after I turn it on) (Video) I have tried pressing the pin-hole reset button as well as trying to run an update to reinstall the OS. The unit still locks up and goes white immediately. Is there another way to reset it? Any advice?

Also, if I have to replace the unit does anyone know where to buy one again? I really would like to buy the 7" version that [MENTION=1915855]KID52[/MENTION] ended up getting that doesnt have a DVD drive. Otherwise I would be fine getting the original 6.2" version. But all of the ones I am seeing now come with Android 4.2 and seem a little different. Hope someone can help me fix mine or find the 7" version.

Thanks
[Android Head-Units] roystervi:
I had the same problem when install one for a friend.. The screen went white then a line was across it. the radio was still playing I can can adjust the vol but the touch screen did not work. You can guess how I was felt because it was not my until.

after turning on and off several times and resetting, mines was a easy fix.. the unit was tight to go in and the the cable honest was bending a little in the back and was not making a good connections. after I took it back out and power it on outside the radio slot. it work fine. when I put in back in it will go white screen again.

It might not be a fix for you but your questions was "ANY ADVICE". So remove the radio and try holding in the big bunch of cable to see if that help. it help me so nothing to lose right now except buying a new unit.

well good luck
[Android Head-Units] teachill:
wow this look incredible, now i can do marvel when i drive.
[Android Head-Units] kaween:
That effect shows your ARM board crashing directly after power up (probably). While I can't exclude the possibility the broad, white flex between MCU and screen unit has a bad contact, I'd be surprised if that would be the reason for this behaviour.

Possible solutions :

1) Do check all external cables and connectors before doing anything else. Inspect all wires to be seated correctly in the connectors. If that doesn't show anything out of the ordinary : open unit and inspect the white flex I mentioned here above. Make sure the flex is connected correctly in the 2 connectors, make sure the connectors are correctly locked, visually inspect the contacts (the silvery-white part of the flex) for bend or damaged traces.

2) p64imp's radio came back to life after a reflow, and his issues are comparable to yours (and mine when my AN21 went belly-up). So if the unit's dead now, find an electronics shop that does XBox/PS3 repairs and ask them to perform a reflow on your board, specifically the ARM-Daughterboard. If this works, look into a better cooling solution for the ARM chip (mounting a cooling block on the ARM chip).

3) depening exact type of mainboard, you can replace the mainboard for a new one, I've seen prices from 65USD to 150USD so depending on the board you need and can find, you may or may not find it economically feasable to repair the unit. These units are very easy to disassemble and swap mainboard. I've written a tear-down guide on these units in case the idea gives you cold feet. :) Rest assured, these units are a breeze to disassemble. I still have an extra AN21-U board with a BC6 BT around here in full working state. Depending if your unit accepts it and has the same connections, I can let your have it for a reasonable price.

Looking at the number of dead AN21's we've seen these last couple of weeks, combined with the knowledge later versions had at least a passive cooling on their ARM's instead of none at all, convinces me even more the biggest part of AN21 issues comes from thermal damage on the ARM daughterboard caused by the bad cooling, which in its turn is caused mainly because the AN21 design places the ARM chip on the underside of the mainboard, where there's little to NO cooling as the airflow on the underside of the board is negligable : having a fan sucking air OVER a PCB when the critical part sits UNDER the PCB is a stupid design call.

Good luck, and keep us posted.
[Android Head-Units] shadowmike:
Anyone else's bt reset after a few days ?

sent with HTC ONE M8

An21-U file repo [url =https://passport.yandex.ru/passport?mode=auth&from=cloud&retpath=https%3A%2F%2Fdisk.yandex.ru%2F]Log-In[/url] U: xdaan21u P: u12naadx
[Android Head-Units] shadowmike:
Are there build dates inside the radio ?

sent with HTC ONE M8

An21-U file repo [url =https://passport.yandex.ru/passport?mode=auth&from=cloud&retpath=https%3A%2F%2Fdisk.yandex.ru%2F]Log-In[/url] U: xdaan21u P: u12naadx
[Android Head-Units] balaes:
What video player is the best ? Stock player is good, but from 2.8.8 firmware is stop playing when "home" button is press or the car is in reverse gear.
[Android Head-Units] mtresk:
MX Player
[Android Head-Units] Nixed:
I mean other than radio and music apps. Like Spotify or likewise. I'll try what you said today. Thanks for the help. I'll let you know if it works.
[Android Head-Units] kaween:
As in ? Lost settings ? Lost auto-pair ?

I'll keep my eye on it and let you know what happens after a week or so.

What I have noticed is that since 2.8.x, Igo will throw a "gps signal lost" message at me withing 10 seconds after I change the unit's focus to another app. Most unnerving. The funny thing is it doesn't really loose gps fix, it's more a temporary "I'm busy, leave me alone for a second" situation that results in Igo "dropping GPS" for a second or two. In terms of navigation, it makes no difference, but the idiotic "gps signal lost" message through the speakers is annoying.

I found a solution by editing the sys.txt file and added this to it :

[sound.announcer]

gps_signal_lost=0

gps_disconnected=0

So far and after a day driving with GPS on, my unit hasn't bugged me again with this annoying "gps signal lost" message. Maybe this info can help someone sometime.

Yes, at least in terms of MCU board design, there are build dates on the pcb and carry a version number. Mine for example is a V04.
[Android Head-Units] roystervi:
I notice if I start my car radio and I have my phone in range then the BT will pair, but if I start the car radio when my phone is not in range then it will not auto pair when my cell comes in range. I have to do a manual pair.

shadowmike are you turning off your BT on your cell when you leave the car to save BATT? lol
[Android Head-Units] shadowmike:
No the car keeps switching back to carkit_tw and loosing all saved pairs.

I wonder if it's because the reverse cam causes the radio to start to boot up, then shuts the radio off when put in drive. So there's always a power disruption when shifting out and into park.

I have acc tied into power, I have to turn my radio on and off.

sent with HTC ONE M8

An21-U file repo [url =https://passport.yandex.ru/passport?mode=auth&from=cloud&retpath=https%3A%2F%2Fdisk.yandex.ru%2F]Log-In[/url] U: xdaan21u P: u12naadx
[Android Head-Units] kaween:
... my unit never experiences a disruption of power. It is ALWAYS under power, either from the car battery or from the auxilliary battery circuit I provided that avoids reboots of the unit during either crank or ignition key position.

Auto-pair so far works flawless each time, independant of power-up situation.
[Android Head-Units] shadowmike:
I meant more of a power on disruption.

If I start my car, and put it in reverse the radio powers on and shows the cam, but at the same time it's booting Android. Because I see the boot animation for a second after shifting out of reverse, then it powers back off.

Mine also has constant power from the battery.

sent with HTC ONE M8

An21-U file repo [url =https://passport.yandex.ru/passport?mode=auth&from=cloud&retpath=https%3A%2F%2Fdisk.yandex.ru%2F]Log-In[/url] U: xdaan21u P: u12naadx
[Android Head-Units] shadowmike:
Unit powered off but in reverse

Unit powered of shifting out of reverse

You can faintly see that Android have fully booted and it's now at the home screen.

But it's being forced to turn off because I have not physically turned on the unit

Here's a vid that these are from.

An21-U booting in reverse: http://youtu.be/Ffry32sQz0U

I finally got around to registering on 4pda. I now have more mcg files for us.

Including updated 7-10-6501 mcus

sent with HTC ONE M8

An21-U file repo [url =https://passport.yandex.ru/passport?mode=auth&from=cloud&retpath=https%3A%2F%2Fdisk.yandex.ru%2F]Log-In[/url] U: xdaan21u P: u12naadx
[Android Head-Units] hellad:
Screen resolution problem

Hello everybody

Can anyone advise me what to do with my problem?

I've got latest version of Kaier device under RedPower trademark a week ago. It should be noted that this device has 1024x600 screen resolution and System ver. 2.7.37 out of the box.

I was not satisfied with wi-fi connection quality. So I started experimenting.

While trying different versions of firmware I've wrongly used improper firmware version 2.6.98 for 800x480 resolution. Having been rebooted, device started to show 800x480 resolution in menu "about device". Image on the screen was distorted and looked like PictureInPicture on TV :( . It seemed like smaller picture (800x480) framed with larger one (1024x600). Top part of image repeated at the bottom the the screen. You can see it on the following photo

.

In order to select some element on the screen I had to tap right and lower it.

I've flashed 2.8.8 firmware for 1024x600 resolution back. Unfortunatelly it has not helped. Image on the screen remained the same (distorted).

The questions are the following. Why proper firmware was unable to recover screen resolution? Is there any way to restore normal functioning of video subsystem?

Where can I find additional information about system architecture (like AN-21 U Hardware specs/hacks or MCU Explained Wiki page) to better understand how the problem with screen resolution can be solved?

Any help appreciated.
[Android Head-Units] shadowmike:
Have you tried redpower forums ? They have all the firmware you'll need there.

Dear users.*

If you come to this folder.*So you want to download firmware*

IMPORTANT.*If you have a resolution of 800 * 480 do not take 1024 * 600 and vice versa.*

All the bricks recorder will be regarded as negligence and USER are not covered by your warranty !!*

GOOD LUCK*

DOUBT what resolution?*Better not SHEYSYA then do NOT YET dobudesh Device Information*

Kind regards*

Negoday*

All firmware on the 180 series moved here*

proshivki-obnovleniya-f66 / proshivki-obnovleniya-dlya-180-serii-t5974.html*

to access the firmware update you should join the group Family "Redpower"*

http://translate.googleusercontent....6.html&usg=ALkJrhiI53DOulhB5gMPkJoot1C9nnTx5g
[Android Head-Units] mtresk:
Hellad came here from redpower forum.
[Android Head-Units] shadowmike:
Well, since redpower has their own firmware that's locked from the public's viewing, he might have better luck using their firmware and not what we have.

The only thing I can suggest is to do a factory restore, assuming the stock files are still in cache.

With no sd card inserted, hold your power button until it goes to a firmware update screen.

It SHOULD bring you back to factory firmware, again assuming your files are still in cache.

sent with HTC ONE M8

An21-U file repo [url =https://passport.yandex.ru/passport?mode=auth&from=cloud&retpath=https%3A%2F%2Fdisk.yandex.ru%2F]Log-In[/url] U: xdaan21u P: u12naadx
[Android Head-Units] shadowmike:
If I did it sooner we would have seen the boot animation, I was just in reverse long enough for it to boot.

sent with HTC ONE M8

An21-U file repo [url =https://passport.yandex.ru/passport?mode=auth&from=cloud&retpath=https%3A%2F%2Fdisk.yandex.ru%2F]Log-In[/url] U: xdaan21u P: u12naadx
[Android Head-Units] hellad:
Thank you for your assistance!

I've tried to use special "clean" firmware of redpower that declared to do full format of the system, but without success.

I was not sure would redpower help me or not in my case due to their disclaimer. Fortunatelly they did supported me.

They advised to use part of firmware (and provided the link to download it) which has the same name and size as in your repository called V2.7.38_20140811_1024X600_BOOT_LVDS.

Thus, my problem was solved by flashing those two files.

Hope this information can help somebody in future.

Thank you once again and best wishes.
[Android Head-Units] roystervi:
My preamp power source just went out today that its not sending power to turn on my amp or shut it off.

I tested for 12V but none present. any ideas anyone? I connect the preamp wire to the acc wire that fix my problem at the moment. but will like to know where my power went. its seams like these unit parts is going down one part at a part.

How old is everyone unit? I got mines in March 2014
[Android Head-Units] shadowmike:
I got mine just last month Roy, but no idea when it was made.

It did have 2.7.40 on it

sent with HTC ONE M8

An21-U file repo [url =https://passport.yandex.ru/passport?mode=auth&from=cloud&retpath=https%3A%2F%2Fdisk.yandex.ru%2F]Log-In[/url] U: xdaan21u P: u12naadx
[Android Head-Units] gpmg762:
Got mine in 17th Dec 2013, still running fine in the tropics (high of 35 degree Celsius and 90% humidity) .
[Android Head-Units] kaween:
Solution as in "repair" ? No, not directly. But in terms of reasonable workaround, yes.

1) Check your antenna power output (if not in use), this should push out 12V too when activated (I think I've seen later firmware versions where you can switch this option on and off).

2) No pwer from the antenna power line or impossible to use ? Here's something I did once in a similar situation : opened the unit, spliced the 12V of the internal fan to the outside world. Hence, if you switch the fan policy to "run Always" which I advise anyhow, that 12V line will only go active when your unit is working, hence it works when you need it and it will turn off your preamp when switched off. Quick'n dirty solution. As the preamp line is just a control line and doesn't have to push a load, there's no electrical issue with this solution, nor will it have any impact on the actual sound quality.

If you dislike the idea of opening up the complete unit, you can do this trick without doing so provided you are a bit handy : the rear panel of the AN21's are fixed with 6 little screws and 2 LONG ones. These long ones press the AMP chip to the back metal plate for cooling and are hold in place by a small metal plate on "the other side" with tapped thread on it. You can open the back of the unit by removing all 8 screws, splice the red conductor of the fan, leading an extra cable to the outside world using one of the DVB-T holes. The "tricky" part is you now would have to get those 2 long screws back in place without pushing that little metal piece into the unit. This is quite easely done by using a bit of doublesided tape on the side of the amp chip that faces the inside of the unit (so the non-metal, non-heatcoductive front side) and press it, making sure the holes of that metal piece are lined up with the space where you will drive those 2 long screws in; This is very easy to locate : the amp chip has two half-round indents that allow the screws to pass : the holes where the 2 long screws have to go into are matched with those indents. Just very gently screw the 2 long screws back first : you will it when they get good contact to that little metal plate as you will be able to thighten them

My unit is something like 7 months or so.

PS : BE SURE to have tested the amp power line first for possible short-circuits with ground. On the situation I had, a friend of mine had botched up the cables a bit, and his power amp line went byebye because a little piece of wire was left blank and had shortcircuited over another powerline. The fact you can power it up with a acc wire means you probably won't have that issue, but still better safe than sorry.
[Android Head-Units] roystervi:
The 1st think I did was to test the remote wire at the amp for Voltage. I was an IC, EM and CE in the navy so I am a marine and construction electrician. when I test the remote wire at the amp it showed dead. I tested to grown and I tested to hot wire I got nothing. to test if my amp was not the problem I jump the a wire from the amp constant hot to the remote then the amp started working so I know the problem was in the head unit.

at the head unit about I tested for voltage on the amp remote wire their was none and I also tested for voltage on the antenna wire and there was also no voltage. I knew the remote wire is to turn the amp on and off when the radio turns on or off so I just connected that wire to the radio ACC wire and it working like it should.

I have a 05 Nissan Altima and the car bevel does not like it when it come off because its so easy to break. each time I remove it, it break because its so cheaply made.

I will leave the amp remote on the car AAC wire because I think its a good idea to have it there, because its not robbing the head unit of power. I will keep monitoring it and if anything else goes down I will do like you suggested and open the unit. As you know electricians/electronic tech like to open and stuff to find out why its not broken. lol

thanks again for the your suggestions, your suggestions pointed out solutions for anyone else who might have this problem.

---------- Post added at 12:10 PM ---------- Previous post was at 12:05 PM ----------
[Android Head-Units] shadowmike:
I had one earlier this year but it was stolen

sent with HTC ONE M8

An21-U file repo [url =https://passport.yandex.ru/passport?mode=auth&from=cloud&retpath=https%3A%2F%2Fdisk.yandex.ru%2F]Log-In[/url] U: xdaan21u P: u12naadx
[Android Head-Units] roystervi:
lol I remember
[Android Head-Units] shadowmike:
But I wish I was here to fix probs I made ?

sent with HTC ONE M8

An21-U file repo [url =https://passport.yandex.ru/passport?mode=auth&from=cloud&retpath=https%3A%2F%2Fdisk.yandex.ru%2F]Log-In[/url] U: xdaan21u P: u12naadx
[Android Head-Units] kaween:
Tomtom : need assistance.

Anybody got Tomtom running on their 2.8.8 ?

Need tips. Keep crashing into the "can't connect to Tomtom" Wall. No issues installing it on my phone. Version related ?

Any help is appriciated.
[Android Head-Units] roystervi:
I had mines running on 2..8.8 but I removed it because I like IGO best. I think if your going to tomtom over igo ur downgrading. mines was doing that when I 1st install but I got a tomtom patch from a torrent site and it fix it. sorry I delete it to make room on my sd
[Android Head-Units] kaween:
That's a matter of personal opinion now isn't it. :) Fact is : Tomtom's maps are more recent. The voice guidance is less intrusive and generally clearer. The "fix to position" system of Igo is less accurate than Tomtom's. On the other hand, Igo has a working, free TMC-like system that runs as long as you have a data connection. Igo has a lot more functions (granted), but Tomtom's feel more polished (personal opinion) and clearer.

To know which one I'd prefer in the end, I'd need to run them both for some time. Hence my question.

If you can give me a pointer of what/where you found that patch, I'd be much obliged. If you're uncomfortable making this info public on this forum, just send me a private message.
[Android Head-Units] roystervi:
no problem I will try to look for it again and it was from kat.ph

IGO has the options to use tomtom maps and tomtom poi
[Android Head-Units] kaween:
Update : got it working. Funny how I solve my own issues on most forums I visit. :) But I'm greatful for your response, as it did put me on the right track. When you said "no room on my sd card", I started looking at the XML files that are generated by Tomtom. It turns out that Tomtom 1.3.2 points to a fixed location (mnt/sdcard/......), but our AN21's with their odd extSD1 structure are pretty much "undigestable" for Tomtom's quircky installation system.

The internal SD card however as the correct name, so I moved Igo from the internal memory to SDcard, and moved Tomtom to the internal location.

And presto, it worked.
[Android Head-Units] austinlavicka:
Wallpaper Changes

So i recently rooted my Headunit, and threw on a couple root apps to improve the overall experience. I put on the app called full!screen. Basically it totally removes or hides the status bar. Too big in my opinion. Have it set up to swipe from the bottom right corner to display a status bar that looks like that of an android tablet. Anyways heres my issue. When it boots, the correct wallpaper is displayed (i use smart launcher 2.) After i get the notification "full!screen has been granted super user permissions", the homescreen reloads (with that zoom effect) and the winter wallpaper is displayed. I can change it back, but when it reboots and full!screen launches, its back to that boring winter wallpaper. Is there a way to prevent this? Anyone know the location of that image, so I could maybe replace it with another one in root explorer? Not too sure if that'll work. Any ideas?? Thanks!