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huge problem everything works but no signal

i bought a used g1 no physical problems took it into a shop and they couldnt find anything wrong with it internally so im guessing its a software issue....dont know if this guy i bought it from tried to mess with root and messed something up but im thinking its some sort of software stuff....can anyone PLEASE help!?!?!?!?! i either get this phone fixed or keep using my nokia that seems like its from 1998 and its killing me!!!!!!

What are the stats of the phone? You can check the versions in the settings\about phone area. Model #, Firmware version, Baseband version, kernel version and build number information would be helpful.
Is it already rooted? If not, you may want to go ahead and start reading up on the root process. Some of the newer builds may or may not help the issue. But if it isn't rooted and you arent getting a signal, it very well may be a network issue. Also, does your phone service have a data plan? Has the phone gone through and passed all of the sign-in procedure? (being from another country, I am not sure what all you have to do to activate your phone) Sim card good?

thats the problem i did a factory reset to input my gmail info and now i cant get past the damn activation screen! ive been through all the customer support through tmo and cant figure anything out!!! im goin crazy

also ive found this webpage http://developer.htc.com/adp.html that has recovery, system and radio images from htc and every time i try one of them it comes up and says no signature or no verification.......not sure what to do

forum.xda-developers.com/showthread.php?t=452316
you cant apply those because your phone is not rooted. learn what your doing without randomly flashing everything that can killed your phone. and yes, you can kill your phone permanently flashing the wrong **** (i.e radio/spl)

[Q] i9000T No signal help

I have a Samsung i9000T that I recently bought from a lady who said she forgot her password to it so she couldn't unlock it. So I bought it and tried factory resetting it so I could sell it to a friend of mine who wants to upgrade from an iPhone 3G. Well factory resetting did nothing, I did some digging and found out that it's a common problem for i9000's to have a csc file corruption. So I decided to flash, via odin, a stock firmware to the device. The firmware I decided on was a UK firmware because I couldn't find an american firmware for it. The flash was successful and I was able to boot the phone no problem. A weird thing was that all of the lady's data was still on the phone, so I contacted her and told her I could backup all of her pics and give them to her, which she happily said yes to. After that, I rooted the phone and installed cwm and then flashed Slim rom android 4.2.1 to the device. I then put a backup sim of mine in the phone and tested the phone. The problem I am having is I don't get any signal on the phone what so ever. I have all the ATT apn's on the phone and they look to be correct.
My question is, having flashed a UK firmware before anything somehow messed up the ability to connect to ATT here in the USA? And what course of action should I take to correct the issue with no signal? My friend is in the military and is being mobilized on the 1st of march so I would like to have a working phone for him before then as I will not see him for some time after.
Any help will be gratefully appreciated. Thanks in advance.

Just a question, has she ever reported it stolen? Has the IMEI number been blocked?
Find out the IMEI number and contact the original Network Supplier that the phone was used on and as them to check this. They'd be able to tell you if there are any issues.
Not trying to worry you but it happened to me. I had to return the phone.

I know the imei, but I don't know the original carrier for the phone... I assume it was ATT because that is the dominant carrier in my area. I'll get in touch with the lady I bought it from and see for sure.
On another note, I've tried testing the internal antenna by inserting a wire into the external port, but still no signal.
I'm going to try completely starting over and see how it goes this time.

Ok, so this thread can be closed now. I've solved the problem.. and feel like such a noob for some reason I was kinda spot on with what i thought was wrong but I had such a hard time finding files to fix it... untill i found this:
http://forum.xda-developers.com/showthread.php?t=1494493
AMAZING guide. Fixed my problem right up. Running 3G here in Texas on ATT. My friend will be so happy that he gets to take an android back over-seas with him.
Thanks to all of those who helped, I greatly appreciate it.

[Q] What happened !?!? HELP ME!

Hi all,
I'm a complete noob from blackberry.
Got a i9305 last nite, before I left the store it was tested and all and all looked good. Came home and charged the phone and now it won't detect my sim card. Took it back to the store and they won't honor the warranty because they said the phone was jailbreaked. All i did was used the wifi to download some legit apps and plugged it into my mac air to do some file transfer using 'Android Transfer'. The phone cannot even detect IMEI.
I didn't do any jailbreak activities on the phone (at least to my knowledge), so i have no idea why the phone is like this.
Q:
what happened?
What to do now?
What to do to avoid similiar incidents? (Should I backup my 'OS' ? how? -0 knowledge with Android)
Appreciate all your advise.

If you didn't do anything to your phone. Go to setting and in back and reset, restore it to factory which will erase all that was installed.
We don't jailbreak our devices only root and flash custom roms
Or they sold you a bad device and aren't helping you.
Sent from my GT-I9305 using xda premium

Sounds to me like you were sold a bad device. Unless you're omitting something, but you have no reason to do that on the internet so I reckon you were sold a bad device.

QLau said:
Hi all,
I'm a complete noob from blackberry.
Got a i9305 last nite, before I left the store it was tested and all and all looked good. Came home and charged the phone and now it won't detect my sim card. Took it back to the store and they won't honor the warranty because they said the phone was jailbreaked. All i did was used the wifi to download some legit apps and plugged it into my mac air to do some file transfer using 'Android Transfer'. The phone cannot even detect IMEI.
I didn't do any jailbreak activities on the phone (at least to my knowledge), so i have no idea why the phone is like this.
Q:
what happened?
What to do now?
What to do to avoid similiar incidents? (Should I backup my 'OS' ? how? -0 knowledge with Android)
Appreciate all your advise.
Click to expand...
Click to collapse
No IMEI you have either been sold a damaged phone or you have flashed stuff on it .
Highly unlikely for a hardware failure a few hours after phone is tested . Why test is it a refurb / used item ???
Return the item to the vendor and ask what has broken the warranty and to show you proof of such .
No / wrong IMEI phone will not work as a phone .
Whyare you are asking to backup a phone in other posts that is faulty ???
jje

When I first got my phone and wanted to set in the sim it didnt go well cuz I didnt push it till it clicked. So just to be sure, look if you've put it right.

QLau said:
Hi all,
I'm a complete noob from blackberry.
Got a i9305 last nite, before I left the store it was tested and all and all looked good. Came home and charged the phone and now it won't detect my sim card. Took it back to the store and they won't honor the warranty because they said the phone was jailbreaked. All i did was used the wifi to download some legit apps and plugged it into my mac air to do some file transfer using 'Android Transfer'. The phone cannot even detect IMEI.
I didn't do any jailbreak activities on the phone (at least to my knowledge), so i have no idea why the phone is like this.
Q:
what happened?
What to do now?
What to do to avoid similiar incidents? (Should I backup my 'OS' ? how? -0 knowledge with Android)
Appreciate all your advise.
Click to expand...
Click to collapse
Maybe you want to verify with the store what they mean by jailbreak? Sim unlocked? Rooted?
Was it a store selling 2nd hand phones? If so, it's quite hard to have any form of warranty. I'm sure there are ways about this once the experts in this forum know more about the nature of your problem.
It's quite hard for them to look into this post though, cos the title doesn't seem to help describe the nature of your problem. You could have used a title like "no IMEI detected" or something like that.

mr.megi said:
When I first got my phone and wanted to set in the sim it didnt go well cuz I didnt push it till it clicked. So just to be sure, look if you've put it right.
Click to expand...
Click to collapse
has no effect on imei

Rooted phone won't connect allow phone calls or texts.

Hi,
I recently rooted my phone so that I can utilise it with a new Appradio2. It was running fine until yesterday when phone calls and texts stopped working all together, though data still works fine.
The phone occasionally pops up with an 'MM #6' error which appears to be caused then the phone IMEI has been locked out. I have been in contact with my phone provider (Giff-Gaff) and they have stated the phone isn't locked out.
My phone details are:
* Model no: C6603
* Android Version 4.1.2
* Baseband version 9x15A-ACEFWMAZQ-30110017-11
* Kernel version 3.4.0-g298631f-02021-gc1b7814
* Build number 10.1.A.1.434
The rooted apps I have been playing with are GMG Gesture, Greenify and Pimp My Rom.
I believe I was playing with Pimp My Rom before the issues were caused but I cannot remember what I changed. I also backed the phone up with Titanium Backup before the problem started and restored that backup yet it has not rectified the problem.
My last restort, unless anyone knows how I could resolve this is to return it to it's pre-rooted state and start again.
Any help would be grately appreciated.
Dave

drandall said:
Hi,
I recently rooted my phone so that I can utilise it with a new Appradio2. It was running fine until yesterday when phone calls and texts stopped working all together, though data still works fine.
The phone occasionally pops up with an 'MM #6' error which appears to be caused then the phone IMEI has been locked out. I have been in contact with my phone provider (Giff-Gaff) and they have stated the phone isn't locked out.
My phone details are:
* Model no: C6603
* Android Version 4.1.2
* Baseband version 9x15A-ACEFWMAZQ-30110017-11
* Kernel version 3.4.0-g298631f-02021-gc1b7814
* Build number 10.1.A.1.434
The rooted apps I have been playing with are GMG Gesture, Greenify and Pimp My Rom.
I believe I was playing with Pimp My Rom before the issues were caused but I cannot remember what I changed. I also backed the phone up with Titanium Backup before the problem started and restored that backup yet it has not rectified the problem.
My last restort, unless anyone knows how I could resolve this is to return it to it's pre-rooted state and start again.
Any help would be grately appreciated.
Dave
Click to expand...
Click to collapse
where did you buy the phone? if you buy it from a shady dealer they might have report it stolen and tell your celluar service to block the IMEI...I know this happen alot on GS3 forums or check to see if your IMEI has been deleted off your phone, flashing sometime does this too, again this is on GS3

G1_enthusiast said:
where did you buy the phone? if you buy it from a shady dealer they might have report it stolen and tell your celluar service to block the IMEI...I know this happen alot on GS3 forums or check to see if your IMEI has been deleted off your phone, flashing sometime does this too, again this is on GS3
Click to expand...
Click to collapse
I bought it direct from Amazon so I doubt that is the problem. Additionally I asked my Phone Network Providor and they said they can't see a problem with the IMEI.
Thanks for the reply.

drandall said:
I bought it direct from Amazon so I doubt that is the problem. Additionally I asked my Phone Network Providor and they said they can't see a problem with the IMEI.
Thanks for the reply.
Click to expand...
Click to collapse
did you check to see if IMEI show up oin the device?

G1_enthusiast said:
did you check to see if IMEI show up oin the device?
Click to expand...
Click to collapse
Yes I typed in *#06# on my phone and checked my IMEI number appeared fine. I then sent that to GiffGaff (my mobile network provider) asking whether it had been blocked and they said it hadn't.

drandall said:
Yes I typed in *#06# on my phone and checked my IMEI number appeared fine. I then sent that to GiffGaff (my mobile network provider) asking whether it had been blocked and they said it hadn't.
Click to expand...
Click to collapse
hmmm i'm not sure, you might wanna do a wipe and try returning it for another one.

G1_enthusiast said:
hmmm i'm not sure, you might wanna do a wipe and try returning it for another one.
Click to expand...
Click to collapse
I'll try un-rooting it and see if that resolves the problem. If it doesn't then I'll return it to the supplier and get a replacement. That won't be such a bad thing as I have a little scratch on the screen anyway.
Thanks for the help
Dave

Just refresh Rom. That should solve your problem
[email protected] from XDA premium

drandall said:
I believe I was playing with Pimp My Rom before the issues were caused but I cannot remember what I changed.
Click to expand...
Click to collapse
Then as already advised reflash and start from scratch which is what you should just do in these situations because no one can help unless you can list exactly what you've done.

XperienceD said:
Then as already advised reflash and start from scratch which is what you should just do in these situations because no one can help unless you can list exactly what you've done.
Click to expand...
Click to collapse
Just to update you all, I unrooted and reflashed the phone and the error remained. Since then I've been in contact with the phone supplier (AVTree LTD, via Amazon.co.uk) and they have stated that they have had several complaints regarding phones from the same supplier recently and have forwarded the information onto Suffolk Police to look into. They have also said that they will offer me a full refund and will cover the cost of returning the phone.
Looking on the bright side at least it appears that I didn't do anything to kill the phone. I have also ordered a new one that is now £60 cheaper than the price I bought the last one for.
Thanks for all your help.
Dave

drandall said:
Just to update you all, I unrooted and reflashed the phone and the error remained. Since then I've been in contact with the phone supplier (AVTree LTD, via Amazon.co.uk) and they have stated that they have had several complaints regarding phones from the same supplier recently and have forwarded the information onto Suffolk Police to look into.
Click to expand...
Click to collapse
Doesn't sound good but at least you've not lost anything.

[Q] Need step by step HELP to find issue and fix problem

Hello,
I've been come to xda-developes site a number of times over the past couple of years and have always managed to work my way through just about every issue I've encountered...until now
This is my very first time posting, so please bear with me if my terminology is wrong or if I'm not really clear on anything
I got this Unlocked LG Thrill P925 for my husband from someone off of Craigslist. He loved the phone and used it for several months before encountering this issue. When I got the phone it was already unlocked. Although I didn't spend a whole lot of time digging around in his phone, I kind of assumed it was probably factory unlocked because I never saw SuperUser or any other typical app you'd normally see on a rooted/unlocked phone. Considering it is an AT&T phone and we'd been using it on T-Mobile, I definitely know it was unlocked lol.
As stated, everything was fine for several months. One day, my husband was having some issues with the phone not working properly. He finally removed the battery for a while then put the battery back in and turned it on. He said when it came on it had a bunch of computer type code (like letters/numbers/characters) flashing across the screen. One day I decided to mess with it and I finally got it to boot up, however, the phone is NO LONGER UNLOCKED. It seemed like it had basically just factory reset itself or something. I quickly found the battery would drain VERY QUICKLY. Because of this, I was really hoping that maybe the battery crapped out and caused the phone to have some sort of meltdown.
I got a new battery for it, unfortunately the new battery didn't help anything.
I started fiddling around with the phone and realized SEVERAL issues that I haven't been able to figure out how to work around (I've found posts of other people having very similar issues, however, it seems there phones were apparently rooted/modded etc...I have nothing that points me to believe this phone is rooted).
When I go to Settings/About Phone it shows the Model Number as LG-P925
Android Version: 2.3.5
Baseband Version: L6260_MODEM_SIC_01.1042.00
Kernal Version: 2.6.35.7+
Build number: GRJ90
Software Version: LGP925-V20p-FEB-22-2012
If I click on Software Update, I get a pop up that says "The application com.lge.omadmclient (process com.lge.omadmclient) has stopped unexpectedly. Please try again" and I have to Force Close it
If I go to Settings/About Phone/Status it shows
My Phone Number: Unknown <I do not have an active at&t sim only T-Mobile and it won't register>
Network: Unknown
Signal Strength: 0 dBm 0 asu
Mobile Network Type: Unknown
Service State: Out of Service
Roaming: Not Roaming
Mobile Network State: Disconnected
IMEI: Unknown
IMEI SV: Unknown
Usually when I shut the phone off **OR** if I try to do a Hard Reset (Hold Volume & Power Button down etc) the phone WILL NOT boot back up until I connect it to the USB again as if I'm charging it...even then I sometimes have to mess with it by taking the battery out, put it back in, plug the usb in THEN start it. Most of the time it will not start up without the usb being plugged in.
I have LG Mobile Tool...Occasionally it detects the phone and shows there's a software update available. However, when I try to update it, it either just hangs up at apprx 4% OR it will go into Emergency Mode and want me to enter the IMEI. Everytime I try to enter the IMEI # the numbers disappear before I can click next and it prompts me again to enter the IMEI #. ***Also..FYI...if I try to obtain the IMEI # by using *#060# I get a pop up that says Reorganinzing Internal Processes Please Try Again in a Short While***
I apologize in advance if my post seems long winded...I just want to make sure I give all the possible details I can...I'm a techy person, I really like working on phones etc and I've taught myself everything I know so far. Yes, I'd like to get the phone working again, however, I also want to BEAT THIS CHALLENGE....IT'S DRIVING ME CRAZY
Thank you for any help you can give me!

Somehow you lost IMEI. If the phone had an invalid or stolen one, I am unsure how to deal with that. Sometimes flashing firmware will also fix IMEI.
http://forum.xda-developers.com/showthread.php?t=2195753
Otherwise there are guides for fixing just IMEI. Check Optimus 3D section (same phone, Euro version).

drastic00 said:
Somehow you lost IMEI. If the phone had an invalid or stolen one, I am unsure how to deal with that. Sometimes flashing firmware will also fix IMEI.
http://forum.xda-developers.com/showthread.php?t=2195753
Otherwise there are guides for fixing just IMEI. Check Optimus 3D section (same phone, Euro version).
Click to expand...
Click to collapse
Thank you so much for your response. I looked over the link you gave me, in fact I found that thread before posting myself.
What I'm confused on and not sure how to proceed is that #1 it says must have ics...I only have gingerbread and so far have been unsuccessful in installing any updates/upgrades. I honestly don't even know where to start
I love android phones and am not a big fan of iPhones, however, I can jailbreak/unlock gsm iPhones no problem. I'm a bit more confused with flashing & rooting etc. I keep reading as much as possible, but embarassingly enough...I'm not even sure what process has to come first in this. Flash the from first? Attempt to root first? Or??? I can get wifi on the phone, but have not been able to install updates etc via the PC.
I'm sorry to be a pain...I want to be able t do this! I'm just stuck. I rooted/unlocked my galaxy s2 a coupe of years ago without issue, however, I really don't even remember all the steps I did with that. As much as I don't like iPhones, most of my family prefer iPhones over androids...which is why/how I learned to jailbreak and unlock them pretty easily. I've never ran into a problem like this where I have no imei etc. Therefore I am at a total loss on where to start given the current build and android version etc
Also, I forgot to mention in my initial post, I've read from some people that the apn could be the problem...I've tried going into the apn however, as soon as I click on apn it kicks me right out

It just means you can't install xbsall's custom ROM on top of GB; following the steps puts you to a rooted version of ICS, then the custom ROM, if you choose to install it.
Pretty sure IMEI should still appear even if APN is not set up, so I doubt that is the problem.

drastic00 said:
It just means you can't install xbsall's custom ROM on top of GB; following the steps puts you to a rooted version of ICS, then the custom ROM, if you choose to install it.
Pretty sure IMEI should still appear even if APN is not set up, so I doubt that is the problem.
Click to expand...
Click to collapse
Thank you again for your response. I will give it a try later this afternoon and post the results.
It's just crazy...can't figure out how it could be working fine for months, then suddenly have a meltdown along with a case of severe amnesia lol. I've seen there's a lot of other people with pretty much the exact same issue...on the Thrill forum as well as the Optimus 3d.

Yeah, that is odd. We call that a 'glitch.' Who knows, maybe some startup process checked IMEI and didn't like it somehow. No telling... Hopefully it is not some hardware issue.