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Galaxy Nexus LTE Won't Hold LTE Signal

I'm posting here on behalf of a friend because I've tried everything I think I can do to help, but to no avail. I'll try to make this quick.
My friend bought a Galaxy Nexus LTE in December and it worked great for a few weeks, until the vibrator in the phone broke - he took it to a VZW store and they replaced it for him.
Upon receiving the replacement phone, he was having trouble with LTE staying connected. It would continuously drop and instead of falling back to 3G, it says he has no signal - signal indicator in settings displays a red bar (i.e. no coverage).
He took it back to VZW and they tried his SIM card in an employees phone - same issue happened to that phone. They then tried his SIM in a new phone off the shelf, same thing happened again.
Verizon is saying it's an issue with something at the account level, but I've encouraged him to go in and complain until they give him another replacement, just in case. However, it's very odd that his SIM card in three different GNex devices produces the same issue, even though his first one worked great. They have said that a future software update would fix this.
The other day I installed the leaked 4.0.4 update on his phone to see if the new radios would work, but the same issue kept happening. So I reverted him back to 4.0.2 so he could take his phone back to Verizon and beg for another replacement. Unfortunately I forgot to re-lock his phone so I still have to do that before he takes it in.
Has anyone ever heard of this before? It seems so odd that his SIM card would do this, but I still think that Verizon owes him another replacement device since he has a phone that isn't working like it should. He's getting a big discount on his family plan but he'd prefer to have LTE on his new phone.
I would love your thoughts - this just doesn't make sense to us. Any suggestions other than replacing the phone again? It sounds like VZW doesn't want to do that for him so it might be easier to fix it another way.

Can't speak for Verizon itself, but I have been through several SIM cards now on Telstra. Same issue, all of a sudden they are unable to pick up signal at all. Seems the pre-paid cards are more susceptible.
I'd ask for a replacement SIM, as opposed to a replacement phone as it's been proved the issue exists on multiple handsets already. If a new SIM doesn't alleviate the issue, the VZW rep may be right in that it is at the account level.
Good luck!

[Q] Moto G 4g lte signal problems ST at&t

Hey everyone, I just bought the universal 8 gig Moto G 4g lte. I'm super pleased with the phone except it seems that my phone is constantly switching between LTE, H+, and H. I'm currently using Straight Talk with one of their AT&T sim cards. Sometimes I'll pick the phone up to make a call and it will say no service. It only lasts for maybe 20 seconds, but after it says no service and the time has passed it will show bars again. It's almost like it loses connection with the sim card or something.
I've spent several hours reading about the problems people have had with the switch to KitKat. My phone never shows the "no sim card" or anything of that nature. The triangle where the bars should be just goes completely empty. I'm just curious if this is known to be a software problem and not a hardware problem. I just came from a really really low end smartphone that would cut itself off on a daily basis. I need this phone to at least maintain normal functionality for a while. I don't have a phone to put the Straight Talk sim card in to check and see if it's the problem.
I don't really want to send the phone back, even though I've looked at the Nexus 5. It's a little bit out of my price range for a phone. Thanks in advance for your help.

[Q] Possible hardware fault

Hi all.
Received a supposedly new Galaxy S6 today and the seal was broken.
All seemed OK with phone so accepted it.
Put in a 3 sim card as phone is unlocked. Problem is it just says "Not connected to network" when trying to make a call. Though it has received 2 text messages and I managed to send one after the phone tried to send it for 30 minutes. Phone also isn't showing any data connection. It's been tried with the sim out my old phone and also with a new sim from 3 store today. Sim had been in phone for approx 8 hrs before I run out of ideas.
So the phone definitely works. Just can't seem to figure out why its not working properly . I'm thinking it likely hardware fault though would like anyones opinions or suggestions.
Cheers for reading the post
Mark

The new SIM card probably is not yet activated. Bring your S6 back to your telecom provider so they can test there with a working SIM. If it does not work then it maybe a hardware problem. Have them replaced your S6 if it is.

Sim was activated. 3 store tried it in another phone and it worked ok.
To make matters worse. I put nano sim converter inside Galaxy S3 to test my old phone. Couldn't get it out and bent pins inside phone DOH!
After leaving the store and arriving home my phone was showing full signal and the '3' symbol. Unfortunately would still not send a text or make a call.
My conclusion is that the phone isn't quite reading the Sim properly.
My decision now is to either wait till the seller replies(Who I don't trust) to numerous messages I have left or just send it off to Samsung for repair.
Cheers for replying
Mark

Send to Samsung for repair.

I've sent the phone back to seller.
I'm beginning to doubt myself though after this nightmare. This is going to be a long story....
When the S6 arrived I had to cut my micro sim down out of my S3 to nano size. I'm quite a perfectionist when it comes to stuff like this and did a good job. Though as the S6 didn't hold a signal I went into 3 store for brand new nano sim. Put it into the S6 instore and it was the same. Though they said wait up to four hours for it to register properly. Went home and after 6 hours still no luck. So I decided to try it in my S3.
This is when the nightmare began.
As I needed it micro size I cut out a template to put nano sim in. When trying to insert it in I wasn't happy. So I tried to take it out and the tip caught hold of the sim reader pins and came away. So I had a bit of plastic stuck in sim reader. Boy could I not get it out. So had no option but to buy a new sim/Mem card reader. Local shop wanted a tenner for one. Had no option so bought it along with a proper nano to micro sim housing and went along home.. Fitted it and then went along to the 3 store armed with both S3 and S6 to make sure I could either get the S6 working and if not get the sim put in the S3.
This is where my next dumb moments was. So I didn't lose the nano to Micro template I partially slotted it into the S3 sim reader.
Got to 3 store, explained S6 wasn't working with new nano sim and asked if they could check the sim was ok. They tried it in a HTC and it worked fine.
So this to me proved the S6 was faulty.
So I asked if they would put it into my S3 to show it worked ok in that.
So they went to put the Sim in my S3 and couldn't get the template out as i'm not sure if they pushed the sim converter all the way in!! As no sim was in the template the pins had hooked onto it. So ended up damaging the sim reader again. Jesus!!
So no working phone again. Just an apparent working nano sim.
Got home ordered ANOTHER sim/mem reader.
To get me connected I ended up taping the nano sim in place on the S3 and part of an old credit card on top so the rear cover put pressure on the sim as well. This was after cutting away the top part of the original sim reader to get the plastic out and to expose the pins. LO and behold it worked!!! Full signal just like I normally get and H+ data
So I've had a phone for last 24hrs working and got home tonight to find the new sim/card reader had arrived. Thought wow that was quick delivery. Took sim out and thought i'd give S6 one last try as I install the new sim reader. . Still no luck getting stable signal so boxed up S6 to return. Put sim into S3 with proper template AND you'll never guess what........ITS DOING EXCACTLY THE SAME THE S6 WAS!!!!
S3 now keeps dropping signal and going into emergency only calls. I'm thinking why didn't I just not touch it.
So is it possible that the 3 network throws a Dummy every time you swap sim into different phones??? Its just strange the S3 is doing excactly what the S6 was. Or could the S6 be upsetting the sim?
God i'm really baffled as there always seems to be more than one factor into the equation of whats wrong.
Now I'm just waiting to get hold of another sim to try or just hope after leaving my S3 on overnight it might settle down.
God phones....I hate em LOL

Just to clear up the Sim issue with the S3. Even though it was connected on the '3' network and not receiving calls. I happened to check the manual network provider list again and it was showing the '3' network twice in the list. Clicked on the one it wasn't auto selecting and S3 is working fine again. Tried the Sim in the S6 again hoping that may have been the problem also. Again the S6 manual network provider was showing the '3' network twice in the list....But unfortunately still didn't connect to network properly.
So S6 definitely going back Monday.
Anyone know if having your network provider listed twice in the network settings is normal? Or is it possible that '3' have not programmed the sim properly?
Cheers
Mark

What do I do about sudden battery and SIM card issues?

I have a Samsung Galaxy S3 (SCH-I535) that I was trying to resurrect as a WiFi hotspot and found that I have a couple of issues here that I never had before.
First off, I've tried putting in different SIM cards trying to activate it and the crazy phone will not read any of the SIM cards that I put in it. Before anyone asks, I did make sure that the card was installed properly. It doesn't matter if I put in a Verizon or Straight Talk SIM card. Neither one works. I always get the pop up box telling me that I need to insert a SIM card even though I have already put one in.
Second issue that I have been having recently is that anytime I take out the battery in the S3 (either to replace SIM card because it's easier to replace SIM card with the battery out of it) or to put in another battery, I lose the current date and time in the phone. Always goes back to noon on January 1st. This one is just pure irritating to me.
These issues just came up in the past few weeks and I'm tempted to just chuck the phone if I'm not able to get these issues rectified. Any help I can get on this would be greatly appreciated.
Cindy

Sounds like you need to have the phone activated. Not sure about the SIM issue, but all phones get the time from the cellular network when they're powered up.

ScottDB said:
Sounds like you need to have the phone activated. Not sure about the SIM issue, but all phones get the time from the cellular network when they're powered up.
Click to expand...
Click to collapse
I've tried that but I still get the SIM Card message coming up even though I have inserted it. I thought that the phones get the time from somewhere and this week is the first time that I've had the issue with the phone losing the date and time once I change out the battery.
Cindy

For your sim issue this setting maybe help you
Goto Setting>More settings(in wireless and network tab) >Mobile Networks>Network mode
Tap on Network mode and Select this option : Global

OnePlus One and Samsung Galaxy S7 loses reception randomly

Hi,
I initially started with a OnePlus One and it came to a point where I would lose reception (Both data and mobile) maybe once an hour. The only fix was to restart the phone. I got fed up with it so I ended up getting a new phone, the Samsung Galaxy S7. It's been 3 days and I haven't found any problems, however, this morning I found my phone to have no reception. I restarted it and it started working again.
Could this be a SIM card problem? WiFi works fine.
Thanks

Not sure about the OPO but i had this happen to me where i lost reception for no more than 30s.
For you to restart the phone to get a reception is news to me and honestly have no idea.

I don't know how easy it is for you but with my operator it is very easy to just pick up a new sim card and ether have the shop to register the new card or do it by myself online. If the card is the same as the one you used with the OPO a new card would be the first thing to test. I have heard of lost reception problems were a sim card has been the culprit.

TastyBiscuit said:
Hi,
I initially started with a OnePlus One and it came to a point where I would lose reception (Both data and mobile) maybe once an hour. The only fix was to restart the phone. I got fed up with it so I ended up getting a new phone, the Samsung Galaxy S7. It's been 3 days and I haven't found any problems, however, this morning I found my phone to have no reception. I restarted it and it started working again.
Could this be a SIM card problem? WiFi works fine.
Thanks
Click to expand...
Click to collapse
Is it the same SIM card from both phones?
Something has to be the same between them, either the SIM, or if it is a different SIM, then your location / surroundings / interference

*Detection* said:
Is it the same SIM card from both phones?
Something has to be the same between them, either the SIM, or if it is a different SIM, then your location / surroundings / interference
Click to expand...
Click to collapse
Same SIM card. My location and surroundings don't affect when I lose reception. It just seems to be random. Both me and my girlfriend have the same carrier (Kodoo). I'd be sitting by my desk for a couple hours and have full bars and suddenly lose reception. Then restart my phone and I get reception back.

TastyBiscuit said:
Same SIM card. My location and surroundings don't affect when I lose reception. It just seems to be random. Both me and my girlfriend have the same carrier (Kodoo). I'd be sitting by my desk for a couple hours and have full bars and suddenly lose reception. Then restart my phone and I get reception back.
Click to expand...
Click to collapse
I'd request a SIM replacement, see if that fixes it, unlikely to be the phone if you have two with the same problem using the same SIM