[HELP] Recently, GPS wont work on some apps without sim inserted - HTC 10 Questions & Answers

I thought it may have been an update to my app (Amazon Flex), so I rolled back to a previously saved version, but the issue persisted.
If I dont have a sim in the phone, the app will say that it cant get an accurate GPS location. Tried rebooting, airplane mode, clearing and redownloading the AGPS data.
The only thing that makes it work is inserting a sim card.
This device has LTE issues for me, so I prefer to just leave it on WIFI tethered to another device. But due to this issue, I have to remove the sim from my primary phone to make this phones GPS work.

Still havent figured out whats going on. I've just left the sim in there. If I can at least get the LTE to stay on consistently, then I'll be happy.
Scouring the forums right now trying to find posts relevant to me.

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[Q] [SOLVED] T-Mobile G2, no service anywhere, error while searching for networks

I've been struggling with a problem that I just solved in a stupid way so I'm posting to help other googlers.
As I was using my phone recently, I lost service like I had gone into an area devoid of towers, but service never came back. I verified that another TMobile phone (similar plan) found towers and service just fine. I tried everything I could think of from upgrading Cyanogenmod and the radio to reverting to the stock firmware. No matter what I did, the phone would not get signal. When I went to Settings -> Wireless & networks -> Mobile networks -> Network operators I would simply get "Error while searching for networks".
It turns out that the SIM card had seen the end of its days. I went to the TMobile store and had the SIM card switched out for a new one (free) and everything worked again.
The explanation I was given was that old "legacy" SIM cards sometimes will just stop allowing you to connect to the towers with no other symptoms.
TL;DR: If your TMobile (maybe other carriers too) phone isn't connecting to the towers anymore, don't panic. You probably need a new SIM card and you can probably get one for free.
Seeing the exact same problem in the last few days
Found your post by googling the error message - I've got the exact same situation on my G2, the behavior started this last weekend. The phone sometimes connects but is very, very inconsistent. I'm missing almost all text messages, or getting them up to a day late. I guess it's off to a t-mo store for a new SIM card if this doesn't stop. Funny thing is this phone was purchased with a (supposedly) new SIM card - hard to call it "legacy".
Thank you, I just stopped getting service today randomly and nothing I did could get it back. I went in to panic mode and was flashing and wiping and everything I could think of then I saw this post. I didn't think it could work but sure enough it did.
way to be....i learned my fact for the day.
mine just bit the dust.
called t-mobile and they suggested a new SIM as well.
ah well
I had the same issue and after doing tons of troubleshooting i seen that there was a space right under the keyboard that was fully flush with the phone. I lightly pressed until both sides snapped back into place and full service returned. So if you have this issue check to see if there are any spaces open and snap it closed.
halfak said:
I've been struggling with a problem that I just solved in a stupid way so I'm posting to help other googlers.
As I was using my phone recently, I lost service like I had gone into an area devoid of towers, but service never came back. I verified that another TMobile phone (similar plan) found towers and service just fine. I tried everything I could think of from upgrading Cyanogenmod and the radio to reverting to the stock firmware. No matter what I did, the phone would not get signal. When I went to Settings -> Wireless & networks -> Mobile networks -> Network operators I would simply get "Error while searching for networks".
It turns out that the SIM card had seen the end of its days. I went to the TMobile store and had the SIM card switched out for a new one (free) and everything worked again.
The explanation I was given was that old "legacy" SIM cards sometimes will just stop allowing you to connect to the towers with no other symptoms.
TL;DR: If your TMobile (maybe other carriers too) phone isn't connecting to the towers anymore, don't panic. You probably need a new SIM card and you can probably get one for free.
Click to expand...
Click to collapse
Mine has been doing this sporadically, it comes and goes and sometimes I cannot get it to find a service provider. I have to keep doing it over and over and over. Sometimes I have to set phone down and come back in a few minutes to do it again and it finally shows a provider.
The question I have is if you take your phone into Tmobile store to have sim. card replaced do you have to revert phone back to stock G2? Will they say something to you if you are rooted and running CM?
This problem happened to me too and a SIM swap fixed it. They don't check if you are rooted- they might ask you to reboot and change some settings to rule out the obvious stuff like airplane mode, correct carrier, etc.
Maybe not same issue, but also have a soultion for similar issue on G2X
Maybe I didn't have the exact same issue, but I had the exact same symptoms, so throwing my solution up here for other Googlers trying to troubleshoot this as well...
I actually have a G2X, went to Canada where I disabled roaming data and used the t-Mobile wifi calling stuff primarily...
When I got back home to the USA, I couldn't get a signal, but I also didn't have the little x next to the icon... When I went into my settings, I couldn't seem to get the "Use 2G Network" setting to stay off, and of course I couldn't make calls or anything over the mobile network...
So I figured I just needed to force the phone to register on the local network, maybe all the roaming got it mixed up or something, but when I went to the "Network operators" setting, I couldn't "Search Networks" and "Select Automatically" didn't work either, I kept seeing the error "Error while searching for networks".... spent some time playing with libril.so and friends, but it made no difference.
Anyway, long story short, it turns out that there's a setting in the T-Mobile "Wifi Calling" app under "Connection preferences", if you select "Wifi Only", it applies to your setting all the time, even when wifi is disabled, disconnected, and even if the "Wifi Calling" app is disabled too !! So just change that setting back to something else when you're done requiring that behavior and everything will work again, Yay!
intangible said:
Anyway, long story short, it turns out that there's a setting in the T-Mobile "Wifi Calling" app under "Connection preferences", if you select "Wifi Only", it applies to your setting all the time, even when wifi is disabled, disconnected, and even if the "Wifi Calling" app is disabled too !! So just change that setting back to something else when you're done requiring that behavior and everything will work again, Yay!
Click to expand...
Click to collapse
I can verify that this is the solution that works. I have the LG G2 w/ T-Mobile. I hadn't had any problems until today. Stumbled upon this thread after the T-Mobile chat support couldn't help me. Went to System Settings and turned wifi calling off completely. Back in business.

Sim data refreshing?

My Tmo note 3 is unlocked, and I'm using it with Lycamobile, currently.
It works fine most of the time, but I'm getting "Sim Data refreshing" toasts on a regular basis (sometimes several times a day). When this happens, I also lose Wifi, if I'm connected, and it sometimes takes a little while for the signal to come back.
Is this a Samsung thing?
Or should I switch sim cards?
Googling it brought up a few threads, but no real solution.
This happens to me and I have no data but voice I just switch turn off the phone switch sim let it load and turn off and switch back to sim then I have no problems.
Sent from my SM-N900T using Tapatalk
If someone still looking for a way to fix this, please follow my Fix in the following link, thanks, cheers:fingers-crossed:
http://forum.xda-developers.com/note-4/help/fix-refreshing-sim-data-t3096361#post60454260

SIM card detected, but "Emergency Calls Only"

Hi. Recently, my signal bars on my phone went blank and I can't get my signal back. I tried to remove/reinsert my SIM card and after a few tries, my phone stopped detecting it altogether. I got a new SIM card, but the problem still persists. Searching for service providers gives several results, but all of them are "unavailable at the moment". Factory reset didn't help either. Please help
Shilq said:
Hi. Recently, my signal bars on my phone went blank and I can't get my signal back. I tried to remove/reinsert my SIM card and after a few tries, my phone stopped detecting it altogether. I got a new SIM card, but the problem still persists. Searching for service providers gives several results, but all of them are "unavailable at the moment". Factory reset didn't help either. Please help
Click to expand...
Click to collapse
If it was working fine and you didn't change anything and all of a sudden you just get no signal, I would first call your service provider and have them check it out, and if they say everything's OK, you should get a new sim, and have them switch the number to it, and if that doesn't work, it's probably a hw failure. The only things you could check on the phone is if you accidentally switched data off, or hit airplane mode, etc.
levone1 said:
If it was working fine and you didn't change anything and all of a sudden you just get no signal, I would first call your service provider and have them check it out, and if they say everything's OK, you should get a new sim, and have them switch the number to it, and if that doesn't work, it's probably a hw failure. The only things you could check on the phone is if you accidentally switched data off, or hit airplane mode, etc.
Click to expand...
Click to collapse
Airplane mode is off, data is on. I already got a new SIM, but the problem persists. Sadly, I'm not sure I can call my service provider, since I'm studying abroad and I'm yet to learn the language. And I'm really hoping it's not the hardware, it shouldn't be. Also, I don't have signal bars

Issue with phone dropping to no service? but stays connected on Edge

I had this phone for a while, put it in storage (my desk) and then gave it to a family member. After putting sim card and flashing latest slimrom 4.4.4 SGH-M919 (baseband m919uvuamdl)
wiped phone etc... restored msgs and few things.
Everything seemed fine, after phone goes to sleep for a min or two, it shows then no service!
So I tried all apn settings etc... switching from 4g to 3g, then did 2g and boom it stays connected on 2g without issue.
So went and got a new sim card, apparently this was very old 2g sim card that I cut to fit into adaptor.
Does anyone know what is the issue? the new sim is having exact same issue and only works on 2g, if putting it to 3g or 4g, it works for a while, but after it goes to sleep and you wake it it shows no service.
Also this kills the battery as the phone seems to be trying to connect?
Should I flash the rom again? do I need different baseband? flash to older version of rom?
drutort said:
I had this phone for a while, put it in storage (my desk) and then gave it to a family member. After putting sim card and flashing latest slimrom 4.4.4 SGH-M919 (baseband m919uvuamdl)
wiped phone etc... restored msgs and few things.
Everything seemed fine, after phone goes to sleep for a min or two, it shows then no service!
So I tried all apn settings etc... switching from 4g to 3g, then did 2g and boom it stays connected on 2g without issue.
So went and got a new sim card, apparently this was very old 2g sim card that I cut to fit into adaptor.
Does anyone know what is the issue? the new sim is having exact same issue and only works on 2g, if putting it to 3g or 4g, it works for a while, but after it goes to sleep and you wake it it shows no service.
Also this kills the battery as the phone seems to be trying to connect?
Should I flash the rom again? do I need different baseband? flash to older version of rom?
Click to expand...
Click to collapse
Try a different rom....if that doesnt work...then flash the stock firmware with odin (twice to make sure it sticks) and see if its fixed.
I went and did one of full firmware over Odin
http://forum.xda-developers.com/gal...in-firmware-kernel-modem-recovery-tw-t3276231
you know whats crazy? it worked but it kept the old apps and accounts? Half the stuff didnt work, so I went and did a factory reset, that wiped everything and now the phone seems to be back to stock and working properly.
crazy, never thought that a ROM update could mess things up for the radio?

Carrier signal problem.

All of a sudden I have no signal on my 5X, Wifi works but no carrier signal, it acts as if there is no sim but it does recognize a sim is in the phone, I also am sure the sim works because I put it in another phone and it works fine. I've tried resetting network settings, APN, and factory resetting the phone. Any ideas on what happened or suggestions on how to fix this? I googled around and could not find anything. It did not get wet or suffer any drops/damage. Phone is on Verizon if that matters.

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