KD-C0250 Radio keeps scanning and never picks up stations - MTCB Android Head Units General

Hello I have an android head unit with the part # KD-C0250. I have tried everything to get the radio up and running and so far I have failed. I have tried going to factory settings and changing radio settings and nothing. I have tried different mcu's and nothing. What am I doing wrong and is there anyone out there with this same model that is working that would give me there set up info?

lesaew said:
Hello I have an android head unit with the part # KD-C0250. I have tried everything to get the radio up and running and so far I have failed. I have tried going to factory settings and changing radio settings and nothing. I have tried different mcu's and nothing. What am I doing wrong and is there anyone out there with this same model that is working that would give me there set up info?
Click to expand...
Click to collapse
Maybe a HW problem. In the section you may find stories on bad soldering antenna connectors and bad wiring which introduces noise which effectively blocks radio reception.

I checked the soldering joints on the radio and everything seems fine. I get very faint reception with certain mcus and none with others. Im thinking it is just the wrong mcu. I'm not sure though. I was hoping someone else had tgis model that would let me know what mcu they are running.

Try deselecting AF

meirion said:
Try deselecting AF
Click to expand...
Click to collapse
I tried deselecting AF. I tried all the radio settings in factory settings. Ive tried different mcu's. I tore the thing down to check the soldering joints. I am at a loss at this point. Ive read everything I could on this forum about that issue. Nothibg has helped.

Related

GSM Radio died. Any suggestions?

Out of the blue yesterday my phones reception went dead. I have tried to change the settings for the bands, but still no luck. It does come up with the radio version. Everything is working as it should, just no radio connection. Wifi and BT both work fine. Any help or suggestions would be greatly appreciated. Thanks
indiglo said:
Out of the blue yesterday my phones reception went dead. I have tried to change the settings for the bands, but still no luck. It does come up with the radio version. Everything is working as it should, just no radio connection. Wifi and BT both work fine. Any help or suggestions would be greatly appreciated. Thanks
Click to expand...
Click to collapse
You haven't paid your phone bill, have you?
Seriously, have you tried with another SIM card?
All my bills have been paid, lol.
I have tried 2 other SIM's and no luck. All 3 SIM's work in any other phone. Thanks
Hi
Just check if u get the Radio versions when yr device boot.
Also chk if u can open yr contacts.If no then rename the PIM file and reboot.
I hope this solves
It popped back up on its own. I wasnt doing anything to the phone and it just started to connect to a tower. Thanks for the suggestions. If it happens again, I hope not, I will try that out.
Looks like I spoke to soon. I went to soft reset the device and the same thing is happening again.
I do get the radio version when I boot up and my contacts work fine. Everything seems to be fine except the GSM radio part. Back to the drawing board.

Problem with radio...please help!

Ok to start off, I love flashing different roms and flash quite often. Not sure when this happened but after flashing one of the many roms, I noticed my radio version changed. Come to find out, I had no reception at all. Like the service was shut off. Tried flashing back to my original radio with no avail. Tried flashing various different roms, same problem. Even tried the latest shipped rom, still nothing. I've contacted T-Mobile, thinking maybe they terminated my service. They say ever thing is fine on there end. Tried searching this and can't come up with any thing. Anyone have any ideas. The rest of the phone works fine. Just no service. Thanks in advance.
Macropoutsis said:
Ok to start off, I love flashing different roms and flash quite often. Not sure when this happened but after flashing one of the many roms, I noticed my radio version changed. Come to find out, I had no reception at all. Like the service was shut off. Tried flashing back to my original radio with no avail. Tried flashing various different roms, same problem. Even tried the latest shipped rom, still nothing. I've contacted T-Mobile, thinking maybe they terminated my service. They say ever thing is fine on there end. Tried searching this and can't come up with any thing. Anyone have any ideas. The rest of the phone works fine. Just no service. Thanks in advance.
Click to expand...
Click to collapse
Must be a setting change that occurred. First off, did you go through the connection wizard that typically appears in the beginning which set up your services to your cell phone provider?
band27 said:
Must be a setting change that occurred. First off, did you go through the connection wizard that typically appears in the beginning which set up your services to your cell phone provider?
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Click to collapse
What radio are you currently using? Not to offend you, but your sure that your SPL matches rom your using?
Fallen Spartan said:
What radio are you currently using? Not to offend you, but your sure that your SPL matches rom your using?
Click to expand...
Click to collapse
Hey Spartan,
No, I have no problems with my device. Yes, I did downgrade my radio, but everything works on my end...
As far as my signature goes, the bottom one is the config to my Diamond.
band27 said:
Hey Spartan,
No, I have no problems with my device. Yes, I did downgrade my radio, but everything works on my end...
As far as my signature goes, the bottom one is the config to my Diamond.
Click to expand...
Click to collapse
LOL, actually my question was for Macropoutsis, quoted wrong person
Fallen Spartan said:
LOL, actually my question was for Macropoutsis, quoted wrong person
Click to expand...
Click to collapse
Oh...ok, I was wondering what was going on, lol.
np...
I do go threw setup every time. As far as the SPL you mentioned, are you referring to the rilphone.dll I'm using? I'm using radio - 1.17.25.09. But I have tried just about all the radios with there rilphone.dll counter parts.
Macropoutsis said:
As far as the SPL you mentioned, are you referring to the rilphone.dll I'm using?
Click to expand...
Click to collapse
Sorry for the noob question. My mind didn't even go there. I'm using SPL-1.56.OliNex.
Sorry about this, seems T-Mobile is to blame. After countless hours on the phone with them. They finally figured out that they "accidentally" canceled my service. Thanks everyone for your help. But there was a higher power here to blame...the brilliant minds of T-Mobile.
I got the same problem as you before. All I do is to switch off auto-3G. The problem is on 3G. BUT later I change ROM to Ongkolog Superlite version but still need to switch auto 3G off. Later after sometime I now can use with auto 3G. But times it still got problem with no service (auto 3G) if I move to new location outside from my area.
Good luck
Macropoutsis said:
Sorry about this, seems T-Mobile is to blame. After countless hours on the phone with them. They finally figured out that they "accidentally" canceled my service. Thanks everyone for your help. But there was a higher power here to blame...the brilliant minds of T-Mobile.
Click to expand...
Click to collapse
Solution found (idiots T-Mobile), thread closed

[Q] Galaxy note no gps fix No sat

Hello
I have just got my note, sadly google maps didn't determind my location till I turned on AGPS. I tried to use gps status to check for sats with no results after 10 min, I knew something were wrong. I root the device & installed lbstest mod & tried to get position. With no results, I tried to check hardware test for gps, also no sat were found, I changed the mods nothing occur.
I tried to change my csc into open europ. & did all check again,& no improvements.
I installed oden & tried to install a complete wipe rom; codec, modem, csc. Open version Still can't get any sat on any gps app.
Samsung middle east says you should pay for changing inboard 400 $ as it not purchased for the main country dealer, as I moved to ksa; as if they know nothing about softcodes.
I also tried to use other pool like Asia or global, niether any results
I checked alogcat to check.. But I couldnt understand much,
Please somebody help.
Moved To Q&A​
Please post questions in the Q&A section​
mine is similar sometimes, i can wait forever and it wont find a single satelite, but once I reboot it will find and fix onto 10+ satelite within seconds.
I think mine is just a software glitch, its irritating but i can live with it.
Hamza Malicho said:
Hello
I have just got my note, sadly google maps didn't determind my location till I turned on AGPS. I tried to use gps status to check for sats with no results after 10 min, I knew something were wrong. I root the device & installed lbstest mod & tried to get position. With no results, I tried to check hardware test for gps, also no sat were found, I changed the mods nothing occur.
I tried to change my csc into open europ. & did all check again,& no improvements.
I installed oden & tried to install a complete wipe rom; codec, modem, csc. Open version Still can't get any sat on any gps app.
Samsung middle east says you should pay for changing inboard 400 $ as it not purchased for the main country dealer, as I moved to ksa; as if they know nothing about softcodes.
I also tried to use other pool like Asia or global, niether any results
I checked alogcat to check.. But I couldnt understand much,
Please somebody help.
Click to expand...
Click to collapse
It seems to be hardware issue, as i m first time hearing GPS issue on Note.
Anyway if this can help you, take a chance.
Download 'faster fix' from market. And try changing pool from application.
GudLuck!
I already installed fast fixer with no results, if it were a hardware issue, how could we insure it,like a script or gps chip and antenna checker,reading the alogcat show ; gps is on but receiving fix,
Had same problem, then I just deleted old a-GPS data and redownload new one. Then fix within seconds. Try that first and see if it works better.
Re Galaxy note No gps fix No Sat
Sadly I delete the old AGPS Data & update it, with same result, I checked CoPilot with no Sat, I checked GPS Status again, no improvements, I think its Software problem, missing Data " interperting between Software & Hardware" missing Lib or Code.
I ve already attached alogcat, hopefully someone could advice
Regards
I strongly suggest you go back to square one and work from a stock, known good, reliable (as in working on tens of thousands of others), operating system.
Until then you are simply throwing stuff against the wall to see what sticks.. this is not a scientific engineering approach... so start by helping others help you.
Thanks
Sorry for disturb, i just wanted to insure that i ve tried several abrouchs. If anybody could suggest a complete wipe nand & boatloader, codec,...... I dont mind i. Any comment is helpfull to me just make sure somone read the alogcat i already posted
GPS Hardware fault !
dr.ketan said:
It seems to be hardware issue, as i m first time hearing GPS issue on Note.
Anyway if this can help you, take a chance.
Download 'faster fix' from market. And try changing pool from application.
GudLuck!
Click to expand...
Click to collapse
Thanks for your interest, I just open the phone & had checked for broadcom GPS chip its already their,so my guess is the GPS antenna, so where it is located? I ll like to try to replace it ( is it on the back cover case ), as checking the log will show us , GPS on but receiving fixes & also GPSweaksignal (0)..
pls check the photo
ur prompt reply is highly appreciated .
Im not an expert, you use this information at your own risk.
Flow chart.
Location on wiring diagram.
Location on board.
Location on your pic.
Any updates on the issues? I check the areas as quote... but nothing change... any recommendations
Hi,
can someone upload the photo's again? my GPS has stopped working. I can use assist with Mobile Data but it's slow. The only thing I did before it stopped working was dismantle the phone for a screen repair. I don't know if I had someone not cabled something or unhinged something?? please help
Please,upload photos,i have the same problem!:fingers-crossed:

galaxy ace wifi error (probably hardware broken)

Hello everyone, been searching far and wide here in xda and on good ol` google for a fix for the wifi error.
So far, I tried the codes, I tried flashing original firmware, then I rooted and flashed custom firmware, I tried to flash new modem .. ionno , lots of stuff, none worked.
When I go to the advanced menu in the wifi tab, I notice I have no mac address on the wireless, so probably the adapter is not being recognized or it's not communicating right.
Anyway , with all this said, it's probably a hardware fault, thing is I would like to open the phone up , tear it down, and get the motherboard out.
My question: would hot airing the motherboard help ? maybe someone tried it and got a successful story to share. If not, any kind of advice is welcomed. Thx !
tampitzel said:
Hello everyone, been searching far and wide here in xda and on good ol` google for a fix for the wifi error.
So far, I tried the codes, I tried flashing original firmware, then I rooted and flashed custom firmware, I tried to flash new modem .. ionno , lots of stuff, none worked.
When I go to the advanced menu in the wifi tab, I notice I have no mac address on the wireless, so probably the adapter is not being recognized or it's not communicating right.
Anyway , with all this said, it's probably a hardware fault, thing is I would like to open the phone up , tear it down, and get the motherboard out.
My question: would hot airing the motherboard help ? maybe someone tried it and got a successful story to share. If not, any kind of advice is welcomed. Thx !
Click to expand...
Click to collapse
Get the LOGCAT when you try to connect. Gives more info than what you gave.

[Q] No GPS fix on Lollipop?

I have upgraded to L using Walter's method. Everything is pretty much good except that I can no longer get a GPS fix in any app I use. I can see plenty of satellites (upwards of 21), but will not get a fix...seemingly ever (I let it try on a 2 hour drive). To clarify, GPS worked quite well on 4.x.
I've tried a few workarounds such as:
GPS settings to get assist data
secret code to rebuild nvm or something like that
turning on and off high accuracy
performed the hardware hack mentioned in the general forum
I haven't tried a factory reset yet, and I'd like to avoid it if possible. Just curious as I've seen this problem detailed for several devices and networks, but no real solutions.
Thanks in advance.
undrwater said:
I have upgraded to L using Walter's method. Everything is pretty much good except that I can no longer get a GPS fix in any app I use. I can see plenty of satellites (upwards of 21), but will not get a fix...seemingly ever (I let it try on a 2 hour drive). To clarify, GPS worked quite well on 4.x.
I've tried a few workarounds such as:
GPS settings to get assist data
secret code to rebuild nvm or something like that
turning on and off high accuracy
performed the hardware hack mentioned in the general forum
I haven't tried a factory reset yet, and I'd like to avoid it if possible. Just curious as I've seen this problem detailed for several devices and networks, but no real solutions.
Thanks in advance.
Click to expand...
Click to collapse
Was this the hack you tried? http://forum.xda-developers.com/showthread.php?t=1685726
That IS new to me. I will try it, thanks for bringing it to my attention.
Rooted i747 said:
Was this the hack you tried? http://forum.xda-developers.com/showthread.php?t=1685726
Click to expand...
Click to collapse
That did not seem to help either.
undrwater said:
That did not seem to help either.
Click to expand...
Click to collapse
This got to be the hack you tried. [FIX] Note 3 GPS Issues http://forum.xda-developers.com/showthread.php?t=2612757&nocache=1 You might have to do the factory reset.
Rooted i747 said:
This got to be the hack you tried. [FIX] Note 3 GPS Issues http://forum.xda-developers.com/showthread.php?t=2612757&nocache=1 You might have to do the factory reset.
Click to expand...
Click to collapse
I think I might have to factory reset. Work drops off for summer....I'll try it then. Blah.
undrwater said:
I think I might have to factory reset. Work drops off for summer....I'll try it then. Blah.
Click to expand...
Click to collapse
Quick question. You do the stock or rooted OC1 http://forum.xda-developers.com/note-3-att/general/update-procedure-lollipop-5-0-oc1-t3063760 ? Think about flashing it myself.
Rooted i747 said:
Quick question. You do the stock or rooted OC1 http://forum.xda-developers.com/note-3-att/general/update-procedure-lollipop-5-0-oc1-t3063760 ? Think about flashing it myself.
Click to expand...
Click to collapse
The rooted from post 2. Everything else seems to be good.
Make sure you have oc1 modem. I play ingress and have no GPS issues
There were 2 many reasons why it is very slow to get GPS lock but one problem that I know 100% causes the GPS to lock slowly and not at all because of the aluminium back case that I was using on my galaxy note 3. I tested the GPS status toolbox with back case aluminium and sometimes the GPS lock took long time to fix and sometimes it did not lock at all! But supprisingly, when I remove the back case cover, I don't have that problem anymore. So, check if you have the back case aluminium. Something is interfering with the GPS signal. Now my note 3 is naked without back case but I'm happy this solved the issue. As I said this is one of the problem that caused the GPS lock issue. Perhaps there are more...
Tried everything including factory reset, still no luck
I tried almost everything as OP and did a Factroy reset. Still have the same issue, GPS cant get lock in. It works flawlessly before, start to having this issue after updating to lollipop, dont remember if it happened just after or not.
Is any other possible method to fix this?
Thanks,

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