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Randomly disconnects from cellular network

My One S is randomly dropping all reception on cell.network.
If i put it in Flight mode and then turn Flight mode off again and enter my pin, the phone is reconnected again..
Anyone seen this?

That happens to me also. I'll have 3 bars with 4g then all the sudden I have no service for like 2 minutes. I have no idea if its a Rom issue or network issue or radio issue.
Sent from my HTC One S using xda premium

I have also this problem with restart most of the time I have too take out my microchip and put it back in.
Sent from my HTC One S using xda premium

I also experienced network signal getting lost for some time / struck on Airplane mode
my very strange experience is ... my mobile screen is not turning on and keeps on vibrating for half an hour

This used to be a huge problem for me, but the recent OTA has resolved it completely...

I can repeat what I told someone else about text issues. I had the signal issue as well, it would constantly jump up and down and turn into an X so here was my reply...
LibertyMonger said:
I can tell you how i fixed my issue when something similar was happening to me. I had this issue on my previous phone as well so i figured after getting this phone and it continued it had to be something to do with my account setup. Some kind of glitch. So after getting fed up with Tech support I had my network account manager have all my features and account removed, then added back on like it was a new account. Then I did a factory reset and woila! My network signal is stronger than ever. Texts send instantly! Faster than I have ever seen them send! lol.
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Your issues may not be the same but i can say that my signal is better than i ever had seen it! And absolutely no more loss of signal X's

Gs5 Activation Issue?

Hey guys,
I've had my gs5 since launch and initial Best Buy told me they were having issues getting the phones to activate and that it would take a bit... So I switched the default LTE/CDMA antenna to automatic mode and eventually it acquired data and LTE/3g works, however it keeps warning me about how activation isn't complete and when I let it go through the process it just ends up failing and retrying 5 times. I need to force close it to make it go away but If I restart it comes back.
TLDR: phone has data/service but still tells me to activate in notification tray.
Anyone else have this issue or know how to fix it? Much appreciated.
Sent from my SM-G900P using XDA Premium 4 mobile app

I had the exact same issue when i got ny phone on launch day. I factory reset my phone and the activation message went away.
Sent from my Samsung Galaxy S5

Bigslammu said:
Hey guys,
I've had my gs5 since launch and initial Best Buy told me they were having issues getting the phones to activate and that it would take a bit... So I switched the default LTE/CDMA antenna to automatic mode and eventually it acquired data and LTE/3g works, however it keeps warning me about how activation isn't complete and when I let it go through the process it just ends up failing and retrying 5 times. I need to force close it to make it go away but If I restart it comes back.
TLDR: phone has data/service but still tells me to activate in notification tray.
Anyone else have this issue or know how to fix it? Much appreciated.
Sent from my SM-G900P using XDA Premium 4 mobile app
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I've been having that issue as well. Do you live near a spark network area?
Where I live the LTE doesnt have csfb and I think that had part of the reason why it wouldnt fully activate. But I live near a spark network so i drove up into Ft. Worth and restarted my phone in LTE/cdma mode and went thru the activation process yet again. And this time it worked and hasn't come back since then.

I had a similar issue
I called sprint many times and went to multiple sprint stores
I finally got it activated though phone call
If the first rep can't activate it
Hang up and call again
Sent from my SM-G900P using XDA Premium 4 mobile app

Bought mine at target and activation went straight thru. Less than 5 minutes
Sent from my SM-G900P using XDA Premium 4 mobile app

Bigslammu said:
Hey guys,
I've had my gs5 since launch and initial Best Buy told me they were having issues getting the phones to activate and that it would take a bit... So I switched the default LTE/CDMA antenna to automatic mode and eventually it acquired data and LTE/3g works, however it keeps warning me about how activation isn't complete and when I let it go through the process it just ends up failing and retrying 5 times. I need to force close it to make it go away but If I restart it comes back.
TLDR: phone has data/service but still tells me to activate in notification tray.
Anyone else have this issue or know how to fix it? Much appreciated.
Sent from my SM-G900P using XDA Premium 4 mobile app
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Im having same issue here. Have you resolved your issue or just got used to it?

You're probably missing /carrier folder files. I'm not sure if Alpineman has them posted for the S5 in his HFA loop fix thread.
Sent from my SPH-L720 using XDA Free mobile app

Internet dropping

Anyone else have issues with the Internet dropping. Signal shows full connection to LTE, but I won't get internet until I toggle airplane mode or reboot. Happens once or twice a day... Do I have a detective unit?

I have the same problem. Mostly at work when I'm on wi-fi I have a weak LTE signal and I have to text I have to toggle airplane mode.

I've been on the phone with AT&T about this situation on two different occasions. Never happens on Wifi for me. They're sending me a new phone.
Sent from my LG-D850 using XDA Free mobile app

Yes!!!! I'm having this problem. I had it happen a few times last week and today it was completely bonkers. Its kind of aggravating. I'm considering swapping it out but I'm afraid it'll be the sane thing. So then I wasn't sure if I should wait for a software update.
No matter what, I can never stay away from android for long.

This happens to me on Wi-Fi after being on the phone. The Wi-Fi connection does not work while on calls. Anyone else having this issue?

Hmm my Wi-Fi was working great at my work. I come home and it didn't even see my network as being active/didn't auto connect to it. I've had the phone two days. A reboot fixed the Wi-Fi and it connected back up fine after. I'll have to keep an eye on it.
Sent from my LG-D850 using XDA Premium 4 mobile app

Ive had the same issue where it shows strong LTE signal but nothing works. Just yesterday it did and I had to toggle airplane mode on and off before it works. Ive had this happen now 2 or 3 times. Not sure Id call it a deal breaker but its annoying for sure.

Yea I feel the same way about it being a deal breaker or not. I don't think exchanging the phone for a new unit will help cause obviously we here are all experiencing it. I love the phone enough to not want a different phone, so I think I'll wait it out for a software update.
No matter what, I can never stay away from android for long.

Yes, happened to me twice on LTE. Usually it happens in the morning after I unplug it from the charger. Had to turn on airplane mode then off to fix it. Annoying for sure.

I had this problem on the G2 running CloudyG3.
Sent from my LG-D851

Exact same issue here. Started a thread about this in the G3 section (prior to the AT&T G3 section being created) and still haven't received an answer there either.

Like someone else said, I had this happen on my G2 as well. Even remember it occurring once or twice with my Sony Z2. So far, only once on my G3. Toggling airplane mode off and on corrected it. So, not sure it's the phone.

This has happened to every phone I've had since mg iPhone 3g. I don't think its a phone specific thing for that reason. I had the same issue on my S3 and Note 3 as well. Its annoying but I haven't found a way to fix it other than toggling airplane mode.
Sent from my LG-D850 using XDA Premium 4 mobile app

Just curious, is the internet dropping out completely to where the icon goes away or is it just not loading web pages or stuff like that? I noticed that if that "allow Google apps to scan" thing is checked then it messes up the connection sometimes. Even if you uncheck it, it still may cause problems, so what I do is "forget" the network I'm signed into, turn off WiFi, turn it back on, and reconnect. That usually fixes it.
Sent from my LG-D851 using XDA Premium 4 mobile app

Skizzy034 said:
Just curious, is the internet dropping out completely to where the icon goes away or is it just not loading web pages or stuff like that? I noticed that if that "allow Google apps to scan" thing is checked then it messes up the connection sometimes. Even if you uncheck it, it still may cause problems, so what I do is "forget" the network I'm signed into, turn off WiFi, turn it back on, and reconnect. That usually fixes it.
Sent from my LG-D851 using XDA Premium 4 mobile app
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Mine did this a couple times over the weekend. Icon shows 4g LTE and looks normal but nothing works till I toggle airplane mode on and off.

Kmac_thp said:
Mine did this a couple times over the weekend. Icon shows 4g LTE and looks normal but nothing works till I toggle airplane mode on and off.
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Oh I thought you meant Wi-Fi.
Sent from my LG-D851 using XDA Premium 4 mobile app

I had the same thing happen on my s4. I thought it was an AT&T thing

I've had ATT for two and a half years first an iPhone 3GS and then a GS3. Don't remember this happening with them. And even if it did, it wasn't enough for me to go on a forum looking to see if others were having the issue.

are you referring to what I made a thread about? Yes there were times on my S3 the data had issues, tho yea I didn't wind up checking on here. But could that be bc the G3 actually tells you? But then again, the "no connection" thing just started on mine last night.

I have had this happen a few times over the past few days. Was waiting for a phone call, and it looked like I was connected. Had 4 bars,4g icon, and the activity indicators were blinking. But no data or voice was getting in. Needed to reboot to get it back.
FWIW, I didn't have this happen until I removed carrier iq. Since I did that a few days ago, it's happened probably 4 or 5 times. Not necessarily relevant, but it's the only thing I changed before it started happening.
Sent from my LG-D850 using XDA Free mobile app

sm n915w8 dropping service issue

I recently upgraded into the note edge and I'm experiencing consistent service loss. Seems like anytime I use anything network related ( cell network ) after a very short period of time it drops signal and take 5 mins or so to reconnect.
It's running 4.4 android and there are no official updates available to me
I'm on the sasktel network. This is very frustrating as I really do love the device.
I don't believe it's a hardware issue I strongly believe it's software related.
I've googled and have found that the Sprint Edge was giving some people grief but I have seen few to no solutions (and the ones I've tried have done me no good)
Please help!

Ive got the sprint 915p and mine does the same thing. Very annoying. Inly way to stay connected 100% of the time is to stay on 3g which sux. It is a known issue from what i have seen. Some phones are said to work themselves out of it. Inwiped my sim card points down with alcohol and forced my phone to reprovision and do a hands free activation. Seems to have actually helped some.
Sent from my SM-N915P using XDA Free mobile app

I also experienced the same thing and I thought I am the only one. Mine is a Bell Note Edge and using it under Telus network. Since acquiring this one 2 weeks ago, it has been a constant pain. There are times when my network signal would drop from 5 bars to no service and lasts for about 2-5mins for every 10-15mins of each hour. I had replaced my old sim card and purchased a new one a few days after getting the Note Edge. There are times that restarting the phone would fix the issue for about a few mins then it would go back to no signal. There are times when my LTE would just hang for a good minute or so. No problems with wifi connection and data up/down is consistent.
I also believe that this is software related. I had the somewhat of a similar experience with my LG G2 but this was in regards to the Wifi d/c issue. I had to wait 2 months for a dev to look into the issue and when he did, i flashed the modded kernel and wifi was better after that. I also contacted Samsung Mobile and the customer rep mentioned that they are not aware of any issue, which meant he didnt know jack at all. Hopefully somebody figures this out. I had to revert to my Note II as my daily driver.

Ya i wish there was someone out there that knew what exactly the problem was and could fix it. Its annoying when someone on here says its a known issue and clearly there are people having problems and complaining about it then the service representative says they dont know anything about a known issue.
Sent from my SM-N915P using XDA Free mobile app

I had the same problem with sprint. Went there and found out that I had a bad phone. They ordered a replacement and swapped it out. No issues after that.
Sent from my SM-N915P using XDA Premium HD app

Ya im gunna do the same thing its just a matter of having time. They want to look at your phone and "replicate the problem" before they replace it. I have already sat there for an hour to tell me about certain towers being down. I guess it was working ok for them when they looked at it. Its not all the time for me. Its that every once and a while when i got time to kill and i dont have wifi that it decides to act up that pisses me off
Sent from my SM-N915P using XDA Free mobile app

I get that too. There are days and hours where my phone cell network signal works flawlessly. There are days when I could barely get a signal.

Ya its random with me too. After wiping all the pads on the sim with alcohol and doing a hands free activation ot seems to be doing a lot better though
Sent from my SM-N915P using XDA Free mobile app

On sprint, since i updated to LP, this hasnt been nearly as much of a problem. .. 1 dropped call in a week, in a busy theme park, in a tunnel....

Time gets out of sync.

It seems there is an issue getting the time from the network as my time has been getting a couple of minutes behind the past couple of days. I am not sure if it is the phone or my carrier. I am on Straight Talk AT&T in Philadelphia, PA, USA. I have to turn on and off airplane mode to reset it. Anyone having a similar problem? Thanks.

xda-soar said:
It seems there is an issue getting the time from the network as my time has been getting a couple of minutes behind the past couple of days. I am not sure if it is the phone or my carrier. I am on Straight Talk AT&T in Philadelphia, PA, USA. I have to turn on and off airplane mode to reset it. Anyone having a similar problem? Thanks.
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I am having the same issue on Straight Talk. Sometimes the time just randomly freezes also. Airplane mode resets it just like you.
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