Database Develop

Nexus isn't finding network :mad: Help is needed

My Nexus was on 5.0.41, all working sweet, then it stopped "finding" the network. No update, flashing or anything was done prior to the problem.
I tried a SIM from another provider, but still - the "No Service" is written on screen, and when I try to search for networks, it says "Error searching for networks".
I then tried the following ideas (nothing helped):
- Reflashed the Radio image.
- downgraded the Radio image.
- Upgraded it again.
- Flashed the Stock ROM (unrooted and rooted).
- Flashed CM5053.
All was done with wipes as needed.
Any suggestions will be more than welcomed!
Can the device just get bricked like that? with no reason?
It sometimes identifies the SIM's provider (Orange for example) but always with No Service.

It sounds like your SIM card slot isn't holding the card in tight enough to make full contact... try putting a business card, cut down to size, between the SIM and the phone's frame (note, not the contacts side, but the back side) to force the SIM down onto the reader tighter.
If that does nothing, not sure what to tell you?

it didn't help

I'm Italian and I have the same your problem .. I only work in 2G GSM'...ve tried to see if you do so?
I opened another tread here Forum

You need a new SIM.
I just had this problem on Friday. The SIM some how falls of the network and your provider network will not allow it to reconnect.
I can't remember, but if I am right Orange is owned/owns by T-Mobile. Hence they have the same network.
The puzzling part about this is why it happens. This is the second SIM I have gone through with my N1, I also had one go with my G1, my sister bought that G1 and the SIM went out again. My mom bought her G1 same day as me and hers has died once. My friend has a MT3G and his has died two times now. I find this extremely annoying.
I tried every suggestion on the internet for repairing or troubleshooting a SIM. It is a waste of time. Well, everything short of dropping it in isoproply alcohol to clean the contact.

I tried a 2G and a 3G SIM on mine, and had the same result, so my problem is different.
My device just doesn't register with the network, no matter what provider or SIM generation I choose.
Can I ask for a RMA if I unlocked the bootloader?

I do not know you definitely do not pass it under warranty

Ryan then you say you clean the contacts of the nexus or the sim with isopropyl

Mine is now doing that as well and so far everything that I tried isn't fixing it. I get it to connect briefly with edge and then nothing. I am going to try a new sim tonight after work and see if that helps, otherwise unsure of what to do after that...anybody got any answers or suggestions?

I've been suffering from this... have an RMA coming but I got mine to work. Make sure you also have CDMA preferred on there or whatever the default is. If it says unknown you have to reboot the radio somehow. I pulled my battery, waited 5-10 seconds. Then i went and checked airplane mode on and off. Then i checked the service menu again. I can't remember if i had to pull the battery another time but it came back from "unknown" to cdma preferred. You can also try turning the radio on and off via the service menu. Finally select your radio bands for your region by pressing the menu button under phone information again in the service menu and select radio bands. I'm not sure if automatic is a good or bad idea but it couldn't hurt testing it if you still have some issues even after selecting your region specific bands. After this you should be able to maybe search and register or you may need to turn the radio on and off again via airplane or the service menu. I played around with it alot to get it running again.
Also I'm tmobile usa using the one for t-mobile bands. I'm not sure if CDMA preferred is a world wide setting or if its gsm or something else.. but the bands are specific to your region definitely.

help cant connect to network or save proper network or sms settings

a quick history of what I've done so far
Sumsung I897 captivate from ATT unlock and being used on Telus network was working great for about 4 days, then all kinds of problem started cropping up.
Phone came unlocked, I rooted using update.zip from xda, installed rom manager and started removing ATT bloatware, entered SMS and APN info which worked fine.
Yesterday I noticed that where I once got good reception I was now getting nothing and would have to drive down the street before I would get something descent. I thought maybe I'd put it back to stock with rom manager and see if that would help which it did not. It actually made it worse, decided to go all out and use the Odin3 one click downloader just to make sure I was back to stock firmware. This didn't work either but now I can enter the SMS and change the preferred network type but it doesn't save. Preferred network type is grayed out and even though I can change it it never save same as SMS.
Now I can't hold connecting in my living room where my wifes Milestone gets full bars. I tried taking the phone to where I had the best signal and change the preferred network, SMS, and set the network operator but it doesn't save any info, can't find on operator half the time on manual or auto and gave me an error and logged it to #*9900#
I've been at this for 2 days straight and can't figure out how to get it right back to stock, it seems to keep hanging onto the same preferred network and not saving anything I enter.
What can I do to get back to stock, and it has to be something that wipes everything clean, clean, clean, because even the GSM disconnects stay logged under *#*#4636#*#*
***I desperately even tried pulling the batt and SIM card for the night in hopes that would do something.

So, if I'm understand what happened correctly, you bought an unlocked Captivate, rooted it, deleted some bloatware, entered your Telus APN info and everything worked awesome for about four days. Now everything has gone down the hole. Is that right?
If that is the case, then we need to figure out what changed. Using Odin3 would have definitely put you back to stock/unrooted your phone, I don't think you could go back any further than that. If I were you, I would act like I first got the phone. As in, I would do everything you did to it, as if was day one. At one point, everything worked fine. Try to recreate that. You can always look into exchanging it or perhaps Samsung customer support can give you a little more insight to what's going on. Here's the number if you want to try them out.
Samsung customer service - 1.800.726.7864

Thanks, I've gone through the process a few times today from start to finish trying to figure it out ... maybe some of the problems aren't real problems and just limitations that I didn't know where their. I've since flash with odin3+re-partion to the bone stock i897UCJF6 as in not the one click method. It loaded fine but still have the same issue, I can't set preferred network type or get it to keep the number entered into SMSC. I think if I can get passed that I'll be be one the up side of winning. I keep noticing that the log of GSM disconnects never clears or the usage statistics under *#*#4636#*# , I'm thinking its in the same area that other bad data is being held onto instead of being cleared when flash firmware or factory reset.
Is anyone able to change preferred network type? maybe I was never able to change it but I think I should be able too.
I may be wrong in assuming this but I don't think ATT is going to be interested helping me connect one of their handset that I'm trying to use on foreign network, but I could be wrong and is an open option.

*#*#197328640#*#*
debug screen
phone control
network control
band selection
wcdma band
wcdma all
menu->end
used this to lock my phone to WCDMA only so that problem is solved
*** never mind posted to soon it still didn't stick after rebooting
be carefull using the service menu as I have no idea what most of this stuff does

I got the SMS service number issue fix by taking out my sim, swapping in another known working sim from the same network, setting the service number, pressing update and then swapping back. Before every time I tried to update the service number it spit out an "update error" can anybody tell where the SMS config data is stored? on the phone or sim.
The only problem I'm having now is with reception which maybe fixable if I can set the preferred network to WCDMA only. But the button for that option is a light blue colour vs other phones that I can change this setting on. Does the blue mean anything like a locked function or something that set by the firmware as unchangeable?

Calling not possible

Hey together,
since 5 or 6 h I do have a problem:
My One stays everytime on 4G, no change to H,3G or Edge. Means, I can not call out! Unfortunately there is no option to force my One to use only 3G, H, or Edge.
What can I do?
Best regards

Bembel80 said:
Hey together,
since 5 or 6 h I do have a problem:
My One stays everytime on 4G, no change to H,3G or Edge. Means, I can not call out! Unfortunately there is no option to force my One to use only 3G, H, or Edge.
What can I do?
Best regards
Click to expand...
Click to collapse
I don't have a ONE yet, but you should be able to turn off the mobile network in the settings. It is part of the Google design.
My current phone also has a setting under mobile network to change the network mode, which is the same is forcing it between 2g and 3g. There are play store apps that get you to that menu, although there appears to be no way to create a toggle for it from the desktop.

Hm, where can I find that point in my settings?

Bembel80 said:
Hm, where can I find that point in my settings?
Click to expand...
Click to collapse
Just lurking in these forums in anticipation of my HTC One arriving, so can't guide you through the menu yet, but I'd try these things first.
1. A quick toggle in and out of airplane mode.
2. A way to force a type of radio is to open your dialer and dial *#*#4636#*#* then select 'Phone Information'.
Scroll to the bottom and find the "Set preferred network type" drop-down menu.
I'm not sure what it will be set on as I do not have 4G, but in that menu should be an option to select GSM only. This will force the phone, if only for a while, to drop the 4G connection.
Occasionally my HTC One X would get stuck on 2G and this usually solved it. Hope it helps you.

Okay, I will try it. Thank you.
But is that normal behavior? Does it often happen?
BTW, I'm on TrickDroid 4.0.0!

Bembel80 said:
Okay, I will try it. Thank you.
But is that normal behavior? Does it often happen?
BTW, I'm on TrickDroid 4.0.0!
Click to expand...
Click to collapse
It is certainly not normal behaviour as your phone should be shutting down data to make voice calls. (Unless they have changed something recently or 4G works differently to 3G). In any case it should definitely not be preventing you from making calls!
You may be best served searching in the Trickdroid forum thread to see if anybody has had similar problems. Does that ROM have a custom recommended kernel? I haven't been in the development threads much yet.
Another thing to try if nothing works is to either flash the ROM back over the top after a cache and dalvik wipe, or extract the boot.img from the ROM if it is custom and re-flash that with fastboot. Don't forget to fastboot erase cache after flashing the kernel and before rebooting.
Then either quickly try another rom (take a backup first) or request a replacement SIM card from your network provider. I have had two faulty SIM cards, and one of them was a micro SIM with my One X which played hell with which radio it would use. It's rare but it does happen.

wnp_79 said:
It is certainly not normal behaviour as your phone should be shutting down data to make voice calls. (Unless they have changed something recently or 4G works differently to 3G). In any case it should definitely not be preventing you from making calls!
You may be best served searching in the Trickdroid forum thread to see if anybody has had similar problems. Does that ROM have a custom recommended kernel? I haven't been in the development threads much yet.
Another thing to try if nothing works is to either flash the ROM back over the top after a cache and dalvik wipe, or extract the boot.img from the ROM if it is custom and re-flash that with fastboot. Don't forget to fastboot erase cache after flashing the kernel and before rebooting.
Then either quickly try another rom (take a backup first) or request a replacement SIM card from your network provider. I have had two faulty SIM cards, and one of them was a micro SIM with my One X which played hell with which radio it would use. It's rare but it does happen.
Click to expand...
Click to collapse
My wife has an S3 mini international version that we use here in CA on 3G/4G. If her phone is on 3G, then it won't make calls. She has to reboot it when that happens. For the moment she is living with it. I may have to put a custom ROM on there for her eventually. Evidently the 3G won't allow simultaneous voice and data, and her phone detects the data and refuses to call.
I realize it is a different device, but it sounds like a similar problem.

With the above mentioned key combination I can choose appropriate networks. When I use GSM only it works like expected. But I do not want to use that combination everytime to switch from LTE to GSM. Is there any other solution?

No solution for my problem?

Bembel80 said:
No solution for my problem?
Click to expand...
Click to collapse
Take a look at these 2g/3g toggles, maybe it will help:
https://play.google.com/store/search?q=2g+toggle

Disable Global mode and CDMA

For just one post that a lot a stuff well anyways, one problem I see is that on the XT860 rom it doesn´t read the SIM ID but on the XT862 it does. Since in my stupidity something tells me that that maybe related to the fact that is not reading the sim properly, I guess I will go into that route to find out what´s happening.
Just a quick update for ya.
Just installed minimoto version of the XT860 into my XT862 and it worked, the only problem is that it says invalid sim, but interestingly I can receive and make calls, signal indicator works better also. Anyways, I will try to find out how to get the rom to detect the sim correctly later.
Click to expand...
Click to collapse
Re phrasing the question, is there a way to make an xt862 into an xt860, since they are technically the same phone, just with different radios. What I want is to maybe use the phone.apk from the xt860 (that is only gsm/utms) into the xt862, in that way the phone won´t be looking for CDMA settings.
Is that possible?
Click to expand...
Click to collapse
Hi guys, I already searched on google, on xda, on droidforums and I haven´t found a way to disable the Global mode and CDMA mode, because in my country we don´t use CDMA anymore just GSM (GSM with sim card).(since 1990 something, the whole country moved to GSM).
I want my Droid 3 to just have the option between 2G and 3G (that would be Edge and 3G here), the only option I need would be GSM/UMTS. the other 2 options are CDMA and Global and I want to get rid of them.
Also because for some reason in some areas if I am in 3G and I get a call, the call will drop after making some weird sounds and I will get no signal for some minutes, and I will have to manually go into airplane mode and then out to get a signal again.
So I think, since the phone has this global mode thing, I though what the hell, let´s just disable the global mode and cdma mode and that will fix it. I mean, I believe that the phone instead of falling back to gsm mode (from 3G in lower signal areas) it goes directly to global mode, or even CDMA.
For more info, my phone is a Droid 3 XT862, from Verizon, unlocked and brought overseas, using the latest minimoto rom (I wanted something light so minimoto looked good).
I already applied some build.prop fixes and they worked but the ultimate fix would be to disable global and cdma mode.
Is it possible?
Click to expand...
Click to collapse

XDADoog said:
For just one post that a lot a stuff well anyways, one problem I see is that on the XT860 rom it doesn´t read the SIM ID but on the XT862 it does. Since in my stupidity something tells me that that maybe related to the fact that is not reading the sim properly, I guess I will go into that route to find out what´s happening.
Just a quick update for ya.
Click to expand...
Click to collapse
I was wondering if this is possible too, I know there is a line in the build prop that sets gsm to default, but it seems that my droid 3 will change that setting once in a while.

I, too, would like a permanent fix for this.

I do not use Minimoto, but I do use the XT883 radio. I have zero idea how I did it, but my Stock rom (I use SS) does NOT have the network choice. I assume this is what you were aiming for. It only shows the GSM options (2g/3g/auto toggle, Operator select, and APNs menu) and nothing for CDMA. Effectively making my Stock rom GSM only like the XT860. SIM reads fine, calls/text/data all work, no invalid SIM reading anywhere.
I've attached a couple screenshots to showcase this (if it's what you want) and my modified build.prop (incase this is actually what caused it). I've no idea what I've done to the build.prop, I've gone through and randomly changed things in my adventure of doing GSM tweaks, and I mainly use Maverick so my main modifications (that I remember) are there. Use at your own risk, though I doubt it'll do any harm (remove the .txt from the end and make sure you have proper permissions). Remember to backup your originals.

Interestingly enough im having the opposite problem on my XT862. I flashed Minimoto 1.7 to it and I get the "Invalid SIM, 911 calls only" message. Which is weird since my phone works off of CDMA. Anyone else have a clue to remedy this?

I tried your build.prop on the stock ROM with the xt883 radio, but after setting permissions and rebooting, I still have the CDMA network options present, plus the occasional "switch to global" prompt.
--posted from my phone

Skreelink said:
I do not use Minimoto, but I do use the XT883 radio. I have zero idea how I did it, but my Stock rom (I use SS) does NOT have the network choice. I assume this is what you were aiming for. It only shows the GSM options (2g/3g/auto toggle, Operator select, and APNs menu) and nothing for CDMA. Effectively making my Stock rom GSM only like the XT860. SIM reads fine, calls/text/data all work, no invalid SIM reading anywhere.
I've attached a couple screenshots to showcase this (if it's what you want) and my modified build.prop (incase this is actually what caused it). I've no idea what I've done to the build.prop, I've gone through and randomly changed things in my adventure of doing GSM tweaks, and I mainly use Maverick so my main modifications (that I remember) are there. Use at your own risk, though I doubt it'll do any harm (remove the .txt from the end and make sure you have proper permissions). Remember to backup your originals.
Click to expand...
Click to collapse
I have the 862 with the 883 radio and occasionally my phone will lose the cdma/global options entirely but then after a reboot they willl randomly reappear. The first time this happened I thought it was great lol cuz I don't need them anyways but then the box that normally pops up if you lose gsm signal asking you to switch to global popped up but said "no cdma signal detected, switching to gsm/umts mode" which is exactly the opposite of what it normally says. Kinda weird and I have no idea what would cause it since I'm using the build.prop found in the diy thread with no other changes that I would assume many others are using.
Sent from my XT862 using xda app-developers app

[Q] Troubleshooting Mobile Data

Good night my fellow modders. Tonight i come with a particular query, mainly, how do i go about troubleshooting the 3G connection of the motorola razr i. Ever since i flashed Omar's Motorola 4.1.2 Rom from Jan-01-2014, i haven't been able to get internet access through my carrier (Not even through 2g) and ive already checked its not a carrier issue (Since i can use my simcard to browse the internet in another phone just fine), i even tried doing a nandroid restore from the stock firmware i had previous to starting this adventurous task to get things working again, but even then the mobile broadband service is a no-no.
I'm at a loss on what to do, since i've already tried reflashing the ROM, reset-ted the phones APN's, and i've also done the suggested file modification of the losialert timer to both, 1000 and 500 (as seen in the same thread). However those efforts have been to no avail and im quite at a loss on what to do.
Im sorry if my english isnt fully understandable (Its not my native languaje) and im also sorry if this isnt the righ section to post about it, but i cant post directly in the thread since I'm a new member. I thank you beforehand for any and all guidance or help you can offer me.

Don't worry, English is not native language for most of forum users.
First of all buy any pre-paid card from different carrier or borrow it sim-card from friend and test it.
I had similar situation with Virgin Mobile. We have quite few operators in my country and I tested all of them but for this I wasn't prepared. I had my new RAZR i and there was no option to use internet with Virgin Mobile.
After few days of fight with different ROM, modding system, installing apps to APN's I figured it was sim-card. Some carriers have old sim-cards which have something wrong with MCC and MNC code and all phones can work on it but not Android 4.1 and above caused APN automation.
I even called to Virgin to ask for changing sim-card but they said they don't have different version of sim-cards, so I asked "WHAT, so every people in Your network doesn't have internet on Android 4.1+??!!" and they said "Yes, it seems so".
And there was no other way but change carrier. Now I have fully working internet without any modifications.
Sorry for so long and boring reply but for my almost 10 years working with mobile phones it was first situation like this.

Chamelleon said:
Don't worry, English is not native language for most of forum users.
First of all buy any pre-paid card from different carrier or borrow it sim-card from friend and test it.
I had similar situation with Virgin Mobile. We have quite few operators in my country and I tested all of them but for this I wasn't prepared. I had my new RAZR i and there was no option to use internet with Virgin Mobile.
After few days of fight with different ROM, modding system, installing apps to APN's I figured it was sim-card. Some carriers have old sim-cards which have something wrong with MCC and MNC code and all phones can work on it but not Android 4.1 and above caused APN automation.
I even called to Virgin to ask for changing sim-card but they said they don't have different version of sim-cards, so I asked "WHAT, so every people in Your network doesn't have internet on Android 4.1+??!!" and they said "Yes, it seems so".
And there was no other way but change carrier. Now I have fully working internet without any modifications.
Sorry for so long and boring reply but for my almost 10 years working with mobile phones it was first situation like this.
Click to expand...
Click to collapse
Thank you for taking the time to answer my query. Unfortunately, i believe your case doesn't apply to me, since i had no issue using the internet with my operator (Telcel) before flashing the new ROM. I've also already called my operator and they made several procedures to try and reestablish my service, however none of them worked, but they assure me it's a problem with my device, since their service is working correctly.
I have no idea what to do now, but i hope can get the minimum required limit i need to ask for support directly on the thread ;(.

I don't know if this will help.
I had this problem with my brothers phone (galaxy s4 mini) last night. Data wouldn't turn on in anyway. Flash in new ROM from recovery didn't did the trick, nor a nandroid did. The only way I have got it to work was flashing a stock ROM through ODIN. In this case it would be RSD lite. Maybe it I'll work, but be aware of the flashing problems red lite can give. Read it a bit. Good luck!
Sent from my GT-P5110 using XDA Premium HD app

Do you have the correct APN entries?? You might need to add it manually...
That happens because it doesn't auto configure (correctly, or none at all) for some carriers because I don't have all the carriers in apn-config.xml -- while your specific carrier ROM might have had it already configured and a specific xml list for them.
If you reset APN's and see all the appropriate ones added it might be configuring a wrong ones by default according to the data from the apn-config.xml one in my ROM, just configure accordingly to your carrier information
Note 1: My ROM does not touch the radio, and since the radio images are international anyway it does not make sense to flash recovery images or anything ... the only problem (assuming you did not break anything in hardware during ROM flashing) comes from the android /system partition which is prone to have incorrect carrier settings for data configurations... any bad number or password updated on your carrier it would be configuring something else by doing "reset to default"...
Note 2: To save the APN entry don't exit ... press the options menu and hit save when done modifying -- else it won't remain saved!

The problem starts when You updated from 4.0.4 to 4.1.2??

Hazou said:
I don't know if this will help.
I had this problem with my brothers phone (galaxy s4 mini) last night. Data wouldn't turn on in anyway. Flash in new ROM from recovery didn't did the trick, nor a nandroid did. The only way I have got it to work was flashing a stock ROM through ODIN. In this case it would be RSD lite. Maybe it I'll work, but be aware of the flashing problems red lite can give. Read it a bit. Good luck!
Sent from my GT-P5110 using XDA Premium HD app
Click to expand...
Click to collapse
Did you try to change the APN settings before you tried this? I'm only asking because I'm considering this option, but i would like to rule it out as my final option, because since i started having this issue I've been reading a lot, and the way you fixed your problem sounds like the stock ROM corrected your issue by giving you the default APN's for your carrier.
Chamelleon said:
The problem starts when You updated from 4.0.4 to 4.1.2??
Click to expand...
Click to collapse
I'm afraid i was already on 4.1.2 by the time i installed Omar's custom ROM.
Omar-Avelar said:
Do you have the correct APN entries?? You might need to add it manually...
That happens because it doesn't auto configure (correctly, or none at all) for some carriers because I don't have all the carriers in apn-config.xml -- while your specific carrier ROM might have had it already configured and a specific xml list for them.
If you reset APN's and see all the appropriate ones added it might be configuring a wrong ones by default according to the data from the apn-config.xml one in my ROM, just configure accordingly to your carrier information
Note 1: My ROM does not touch the radio, and since the radio images are international anyway it does not make sense to flash recovery images or anything ... the only problem (assuming you did not break anything in hardware during ROM flashing) comes from the android /system partition which is prone to have incorrect carrier settings for data configurations... any bad number or password updated on your carrier it would be configuring something else by doing "reset to default"...
Note 2: To save the APN entry don't exit ... press the options menu and hit save when done modifying -- else it won't remain saved!
Click to expand...
Click to collapse
Thanks a lot for getting out of your way to help me Omar; After troubleshooting the device and several talks with my network carrier I've managed to get a so-so signal. I'm not sure if your ROM configures correctly or not the APN'S of my carrier (Telcel) because when i edited them everything was configured as it was supposed to be (I'm not sure about the password since i can't see it though), the only thing that was missing was the APN for GPRS, but I've been reading several forums and almost no android device needs this in addition to the 3G APN (I've added it nonetheless but the device isn't actively using it, my guess is that you've got to choose either 3g or GPRS); I also called my carrier, and the allegedly reset-ed my service.
I'm still not sure if the device is working properly, mainly because the internet access through the mobile network has become very unstable (Sometimes i get disconnected randomly, and turning on the Wi-Fi gets me disconnected automatically), and even though the radio almost always gets an H+ signal (Which is kinda funny, because i used to get 3G more consistently before) i don't think this is normal behavior. I think it may have to be with the los alert, because in my desperate attempts to get things working, i reflashed your ROM and it was set to 1000 once again and I also think that the hardware can't be broken because i wouldn't be able to connect to the data service otherwise.
Because of this i would like to ask two very specific queries, is there a way to flash this setting without flashing the entirety of the zip file?; And in case there isn't, if i flash the zip with the new configuration, and then proceed to perform a nandroid backup of my previous build, will i lose the new 00radio configuration?
I will be tinkering with the device this weekend and will report back if i can find whats wrong, just in case it's something else and somebody needs help troubleshooting this in the future. Thanks to everyone that has contributed so far, i wouldn't have learned so much in so little time without your help.

TemplarWithin said:
Did you try to change the APN settings before you tried this? I'm only asking because I'm considering this option, but i would like to rule it out as my final option, because since i started having this issue I've been reading a lot, and the way you fixed your problem sounds like the stock ROM corrected your issue by giving you the default APN's for your carrier.
Click to expand...
Click to collapse
Hmm, don't know for sure. I have made some changes within the APN list to get it working, didn't work. But the rare thing was that the cm11 one did have data and when he flashed his stock back with a nandroid or a stock zip file data wouldn't turn on anymore. So I can't rule out that it was the APN list that was making trouble, because even with stock it did not work. Only by flashing through Odin it worked. Radio hasn't been flashed in that process.
Sent from my GT-P5110 using XDA Premium HD app