Nexus 5 Sim/Radio Issues - Nexus 5 Q&A, Help & Troubleshooting

Two months ago my Nexus 5 would start randomly losing signal or say that there was no sim card inserted. After a few reboots it would recognize the sim and let me use it normally, but when the device gets turned off and turned back on again there would be no signal.
More recently my Nexus 5 just says no sim card inserted but when reinserted it gets detected with no signal. Is there anyway i can fix this issue as i got signal yesterday but sadly restarted my phone because of a graphical issue and i lost the signal again. I have also done a factor reset and re-flashed android. Any help would be useful!
(Yes i have tried other sims and same problems)
Current Network: iD
Other Networks Tried: O2,Orange,T-Mobile.

Since the phone behaves the same way with different SIM cards, it could be a hardware failure with the SIM card reader.

audit13 said:
Since the phone behaves the same way with different SIM cards, it could be a hardware failure with the SIM card reader.
Click to expand...
Click to collapse
But sometimes it will detect the sim and give me a signal and if i restart the phone it will not detect it again. If it was something wrong with the sim reader wouldn't it just not work at all?

Not necessarily because it should always detect the presence of a SIM card, active or not.

Most likely, there's a bad solder joint somewhere, it would work after a few restarts because the metal would expand as the phone heated up and make contact again. You could try to bake the logic board, might fix it. But, realistically, it's a long shot.
Sent from my Nexus 5 using Tapatalk

Related

[Q] Unusual sim card fault.....

So I wake up 1 morning and find my htc desire is all messed up, after 5 months of use. Rebooting on its own constantly, and weirdly, not being able to find any network (im on orange UK). The phone couldnt even detect there was a simcard in it.
Did the usual - panic - forum search - lots of stories about htc desires rebooting on their own. Lots of stories about desires not being able to detect the simcard due to a lose simcard holder.
Turns out it was none of those things for me - as i put in a vodafone simcard from my work phone - and it was absolutely fine. No rebooting, no problems connecting to a network.
conclusion - the orange simcard had somehow corrupted itself during my sleep, and was attacking my phone.
can anyone explain this?
The Sim gods hate you ? You may have to go to sim city and give offerings........
Seriously,
A Likely candidate for the sim problem would be a mechanical problem. In other words, the cards' gold micro coating is worn causing some resistance and then after enough time either heat or some other data transfer problem manifests and you get a reboot. Try replacing the Sim card. Other options is Vodaphone had a bad batch of cards and you got one..... lucky you. And, of course the company would never willingly disclose they had a bad batch of cards.
There is some guesses you can start with.......... I would just replace the card they are 8.00usd here so it is a cheap fix.

[Q] No Sim Card

I have a HTC Sensation XE on Orange UK which is not rooted.
Since I've upgraded the phone from Android 2 to 4.0.3, I've been having an intermittent problem with the signal. On a daily basis, I will lose phone signal completely and quite often, the only way to get the phone signal back is to either turn it on and off Airplane Mode or Restart the phone. Sometimes this will return the phone signal, but sometimes it will remain with no phone signal and sometimes, it comes up with an error saying that I don't have a Sim Card in the phone. Eventually, I do get back the phone signal back but I have to leave it alone for about 10-15 minutes if it gets into the "No Sim Card" loop, otherwise everytime I restart it or put it into Airplane Mode, it comes back with No Sim Card.
This normally happens when I'm using the phone, but has happened when I've had my phone in the pocket. It happens in weak and strong signal areas. It's very random. Factory Reset will often have no affect and it's happened when I've had lots of Apps installed, and when I've only had the Factory Apps installed.
I've sent it back to HTC 3 times. They've returned it with re-installing the software. It works again for about 3-5 days, then the problem starts again.
I keep thinking it's an issue with the Sim Card, but the Sim Card works fine in other phones with no issues of signal. I've tried other Orange Sim cards in the phone and they seem to work, but I've never left it long enough to see if the signal crashes. I've spoken to Orange but they say there's nothing wrong with the Sim Card as it works in other phones.
I've looked all over the internet for a resolution. Seen many people having the issue, but unable to come up with a resolution. I'm a little unsure what to do. Anyone having a similar problem, or any ideas what to do next?

[Q] Sim Card Problem

I'm having a SIM card issue, but I'm not sure it's specific to the SIM or my phone. Here are the symptoms: my phone randomly loses all it's cell phone bars and 4g, and eventually says no SIM is seated in the device. It sometimes turns into emergency mode, but usually just shows no signal. If I restart the phone, everything comes back just fine for an indeterminate amount of time.
Assuming it was a bad SIM, I went to VZ and got a new one, but the exact same behavior continues to occur.
Any clue what this could be? I'm on 4.1.2.

[Q] Water Damage, Everything working fine except no signal

I dropped my new OnePlus in a bucket of water. I immediately to took it out and drained out the water and kept the phone in rice for 2 days.
When I took it out after 2 days all moisture was gone. On switching it on everything works perfectly fine like display, touch, wifi, sound, camera, etc. Only problem is when I insert the sim card though it detects the sim card, i.e. the no sim card sign changes but I am not able to receive any signal.
Please suggest what can be the issue.
abhishek66 said:
I dropped my new OnePlus in a bucket of water. I immediately to took it out and drained out the water and kept the phone in rice for 2 days.
When I took it out after 2 days all moisture was gone. On switching it on everything works perfectly fine like display, touch, wifi, sound, camera, etc. Only problem is when I insert the sim card though it detects the sim card, i.e. the no sim card sign changes but I am not able to receive any signal.
Please suggest what can be the issue.
Click to expand...
Click to collapse
Hardware repair.
Transmitted via Bacon
abhishek66 said:
I dropped my new OnePlus in a bucket of water. I immediately to took it out and drained out the water and kept the phone in rice for 2 days.
When I took it out after 2 days all moisture was gone. On switching it on everything works perfectly fine like display, touch, wifi, sound, camera, etc. Only problem is when I insert the sim card though it detects the sim card, i.e. the no sim card sign changes but I am not able to receive any signal.
Please suggest what can be the issue.
Click to expand...
Click to collapse
The exact thing happened to me. Seems that the sim card slot oxidized and to replace sim slot was not guaranteed that would work. It wasn´t a OPO but a Nexus 5. Fortunately for me Amazon refunded the full price of phone. I told them it just stopped receiving cell signal, since everything else on phone was working...
Switched to OPO and did not regret one iota.
Just a thought, Im don't really know a lot about it but if the sim card is detected but there is no signal maybe flashing the modem again would solve this.
Again it is just a thought and i don't know a lot about it.

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

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