Issue with latest t mobile update and signal - OnePlus 8 Questions & Answers

Hey guys, I did the update for the t mobile version the day it dropped a couple days ago. Since I have constantly loss signal (normally in my house, I get 5 bars and insane speeds) now randomly stuff doesn't load, and I get x on my signal bars. Or it drops to 4G. I have reset network connections, called t mobile and they recommend a replacement but it started with an update has anyone else had these issues? NOTE I'm basically a 2 min walk from the 5G tower here and always normally got full 5G bars.

Jacob O Link said:
Hey guys, I did the update for the t mobile version the day it dropped a couple days ago. Since I have constantly loss signal (normally in my house, I get 5 bars and insane speeds) now randomly stuff doesn't load, and I get x on my signal bars. Or it drops to 4G. I have reset network connections, called t mobile and they recommend a replacement but it started with an update has anyone else had these issues? NOTE I'm basically a 2 min walk from the 5G tower here and always normally got full 5G bars.
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Click to collapse
I'm surprised T-Mobile suggested a replacement out of the gate.
Have you tried a total factory reset (w/o using any backup to restore data/apps) & /or a new SIM Card.
Will either of those actions solve the problem is anyone's guess, but, if T-Mobile is offering a (new) replacement, I'd take them up on their offer.

KOLIOSIS said:
I'm surprised T-Mobile suggested a replacement out of the gate.
Have you tried a total factory reset (w/o using any backup to restore data/apps) & /or a new SIM Card.
Will either of those actions solve the problem is anyone's guess, but, if T-Mobile is offering a (new) replacement, I'd take them up on their offer.
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Click to collapse
We did all of it except a Sim replacement. So I'm debating on switching to a g s20

after taking the ota, did you do a cache wipe inside recovery? I usually do this for performance and house cleaning.

sameog said:
after taking the ota, did you do a cache wipe inside recovery? I usually do this for performance and house cleaning.
Click to expand...
Click to collapse
No. I suppose I can give it a try!

Jacob O Link said:
No. I suppose I can give it a try!
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Click to collapse
Do you have stock recovery or TWRP recovery?

I would msm back to stock and see if that fixes the issue. Take the update again and if it continues, bad device and time to swap it out

I get super weak signal too but I have the Unlocked International version ??*. Says 5G, but never is actually connected to 5G. My 8 Pro didn't have the issue

I've got same issues here, signal randomly drops out at home. Using TMobile sim, signal was always rock solid on my OnePlus 7 pro. I had same issues in TMobile software and international software. I backed up modem just in case but I get 5g on international rom. Did any of you fix the signal drop issues?

Related

potential signal problem

Hey everyone, i'm a new coming from the OG razr and while i heard the radio on the s3 isn't as good as the razr i think my phone might have a problem. It seems to get stuck on 1x a lot and the only way to get back to 4g is to restart the phone. my phone is rooted but stock rom. Is this a common problem? Also under under APN LTE verizon internet is checked not EHRPD. Is this correct?
topaz330 said:
Hey everyone, i'm a new coming from the OG razr and while i heard the radio on the s3 isn't as good as the razr i think my phone might have a problem. It seems to get stuck on 1x a lot and the only way to get back to 4g is to restart the phone. my phone is rooted but stock rom. Is this a common problem? Also under under APN LTE verizon internet is checked not EHRPD. Is this correct?
Click to expand...
Click to collapse
Its not normal. Take it back before your 14 day period and they'll give you a brand new one for it. If you wait then you'll just get a refurb.
Sent from my SCH-I535 using xda app-developers app
Vorfidus said:
Its not normal. Take it back before your 14 day period and they'll give you a brand new one for it. If you wait then you'll just get a refurb.
Sent from my SCH-I535 using xda app-developers app
Click to expand...
Click to collapse
is unrooting as easy as rooting? I'm hoping theres a script or program that can unroot as I'm not the most tech savvy. I'm guessing if i'm bringing it back i'll need to unroot.
topaz330 said:
is unrooting as easy as rooting? I'm hoping theres a script or program that can unroot as I'm not the most tech savvy. I'm guessing if i'm bringing it back i'll need to unroot.
Click to expand...
Click to collapse
You know how to use Odin? Look at section two, "how to get back to stock from any rom."
http://forum.xda-developers.com/showthread.php?t=1762709
Sent from my SCH-I535 using xda app-developers app
dont know how to use odin but the instructions seems easy enough. Just got off the phone with CS and they tell me its most likely the sim card and not the phone and to go to a store to replace it. Is it true that the sim card actually controls the signal?
topaz330 said:
dont know how to use odin but the instructions seems easy enough. Just got off the phone with CS and they tell me its most likely the sim card and not the phone and to go to a store to replace it. Is it true that the sim card actually controls the signal?
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Click to collapse
Yeah it's true, put simply. You can see if it's the sim. But like I said, if you try to get a replacement after your return period, then you'll just get a refurb. So be quick on the draw if the sim card doesn't fix it.
Sent from my SCH-I535 using xda app-developers app
My s3 isn't having that bad of issues but still some bad data reception. Is Samsung going to do any updates or is it just going to be like this permanently
bby144 said:
My s3 isn't having that bad of issues but still some bad data reception. Is Samsung going to do any updates or is it just going to be like this permanently
Click to expand...
Click to collapse
S3s are known to have a number of data issues. Call technical support and try their ideas. When you can rule everything else out, then you know it's your phone. Basically, if a new sim or a factory reset doesn't fix it, you need a new phone.
Sent from my SCH-I535 using xda app-developers app
Vorfidus said:
S3s are known to have a number of data issues. Call technical support and try their ideas. When you can rule everything else out, then you know it's your phone. Basically, if a new sim or a factory reset doesn't fix it, you need a new phone.
Sent from my SCH-I535 using xda app-developers app
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Click to collapse
Alright, I sent them an email and will probably call them if it starts to get worse.
topaz330 said:
dont know how to use odin but the instructions seems easy enough. Just got off the phone with CS and they tell me its most likely the sim card and not the phone and to go to a store to replace it. Is it true that the sim card actually controls the signal?
Click to expand...
Click to collapse
I took my phone in the store yesterday and they told me flat out that I sim card won't do anything for your signal. I'm not discounting what you're saying, just telling you guys what they told me.
My signal is garbage at home AND at work. I use wifi at home to play with the phone but actual 3G signal is bad. I am lucky to get 2 bars but its generally 1 with speed tests of about 80kbps.
I don't have WIFI at work, and get no signal at all.
I still have a week to return the phone but I'd like to keep it if I can get a better signal.
I am still within my 14 day, maybe 5 days left
Garrett67 said:
I took my phone in the store yesterday and they told me flat out that I sim card won't do anything for your signal. I'm not discounting what you're saying, just telling you guys what they told me.
My signal is garbage at home AND at work. I use wifi at home to play with the phone but actual 3G signal is bad. I am lucky to get 2 bars but its generally 1 with speed tests of about 80kbps.
I don't have WIFI at work, and get no signal at all.
I still have a week to return the phone but I'd like to keep it if I can get a better signal.
I am still within my 14 day, maybe 5 days left
Click to expand...
Click to collapse
Are you new to VZW or have all of your phones had the same problem?
With the thought of you possibly leaving VZW, you would think the store would have tried a new sim card, if only to pacify you. Or they might have offered to switch out the device.
jdk2 said:
Are you new to VZW or have all of your phones had the same problem?
With the thought of you possibly leaving VZW, you would think the store would have tried a new sim card, if only to pacify you. Or they might have offered to switch out the device.
Click to expand...
Click to collapse
I have been with Verizon for years. My Droid X didn't have the best signal but it was much better than this.
One problem is, the store is located in a 4G area, it works great there but it doesn't where I live, nor where I work (which is a decent sized city)
It sounds like you have a bad phone. I'd be pushing for a new one before your worry-free period is up.
Okay, I reset my phone this morning and surprisingly, the signal is much better.
I went from 80-100kbps to about 500-600 kbps. Does that even make sense? The phone is only a week old
Now, perhaps I'm getting too hopeful here and the wind is blowing the right way today or something.
Yesterday I checked my signal with 'Open Signal' (I'd love to know of a good tower location app), and my signal was about 20-23%, right now its at 32-37%. I know that isn't a great jump but in the scheme of things, it is. I'm also at -97dBm, I think yesterday and the day before was over 100
I will note however that I'm still at 2 bars of 3G
I think its just chance , but I'll keep an eye on it.
Couple of weeks ago I also contacted VZW about bad signal/slow data speeds with my phone. They also told me a SIM would be the first fix to try. I had them send me one, for free 2nd day.
Before I swapped it out.. I rebooted my phone and put it in a certain spot and observed signal strength. In my house it ranges from -109 to -113. The data speeds, when the test would even finish, were abysmal. Ran 3 tests and in general they were about 500Kb/s down and anywhere from 0 to 300Kb/s Up. And that was on LTE!
Now without wiping my phone or anything I installed the new SIM and called VZW to activate as their website was bombing. Finally got the thing activated then put my phone back in the same exact spot to observe any changes. While signal strength did not get any better my data speeds increased a whole lot! In the same spot I was getting 5 Mb/s Down and 3 Mb/s Up on average.
Ive also noticed a decrease in LTE drops to 3G and 1X like I was getting before.
So while Ill say that it would seem to be impossible for a SIM to make your signal better, it just may help with your connection.
Thanks for that, I'm going to go up there in awhile and at least swap the card
Well this is my side of the story I had the Galaxy Nexus before sometimes in New York I am in spots where I dont have 4G what is weaird when I go into someones house which i've been many times I only get 3G and then when I go outside I get LTE anyways at the same spot I get 1-2 3G bars and my friend gets 3 bars on iPhone 4S but when doing speed test on both it seems about the same.
Also I am running CM10 and when I was on stock I could tell the signal was a little bit better , you guys think it would be worth a try to swap out sim card as well? how do I make them give me a swap for free?

Nexus 5 cell reception issue?

Anyone using a nexus 5 on T-Mobile in the NY city area getting very bad reception I'm not sure if there's an issue with the device or tmobiles service coming from an HTC one that had excellent reception I think there might be something wrong with my device
Sent from my Nexus 5 using xda app-developers app
dashraider said:
Anyone using a nexus 5 on T-Mobile in the NY city area getting very bad reception I'm not sure if there's an issue with the device or tmobiles service coming from an HTC one that had excellent reception I think there might be something wrong with my device
Sent from my Nexus 5 using xda app-developers app
Click to expand...
Click to collapse
Are you getting excellent HSPA+ reception, but the phone isn't switching to LTE or connects to LTE, but jumps back to HSPA+?
Go to a T-Mobile store and tell them about your situation (don't chat with them online because that did not fix my situation). The rep that I spoke with called tech support and they did some sort of reset on my account. I also asked for a new SIM and was given that new ISIS SIM. As soon as my phone booted, it was on LTE and stayed on LTE. I was like you, thinking that my device was messed up, but T-Mobile fixed it.
No if you check the discharge chart I posted the phone is just completely loosing service but I haven't tried getting a new Sim yet I'll try that and see if it helps
Sent from my Nexus 5 using xda app-developers app
fix?
dashraider said:
No if you check the discharge chart I posted the phone is just completely loosing service but I haven't tried getting a new Sim yet I'll try that and see if it helps
Sent from my Nexus 5 using xda app-developers app
Click to expand...
Click to collapse
Did you get a new SIM yet? Is the issue solved? I'm having the same issue...my signal is terrible but I haven't tried to get a new sim.
waqas1988 said:
Did you get a new SIM yet? Is the issue solved? I'm having the same issue...my signal is terrible but I haven't tried to get a new sim.
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Click to collapse
tried the new sim seemed to improve it a little in some areas but overall still terrible hard reset it and still had the issue so i called last night and set up an rma
dashraider said:
tried the new sim seemed to improve it a little in some areas but overall still terrible hard reset it and still had the issue so i called last night and set up an rma
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Click to collapse
I'm having connectivity problems as well in Dallas. Very spotty connection, especially inside buildings.
dashraider said:
Anyone using a nexus 5 on T-Mobile in the NY city area getting very bad reception I'm not sure if there's an issue with the device or tmobiles service coming from an HTC one that had excellent reception I think there might be something wrong with my device
Sent from my Nexus 5 using xda app-developers app
Click to expand...
Click to collapse
I'm in NYC (East Village area) - I'm generally on LTE but it does switch to H from time to time. How can I check connection on my phone like you have in your screenshots?
AceKingNYC said:
I'm in NYC (East Village area) - I'm generally on LTE but it does switch to H from time to time. How can I check connection on my phone like you have in your screenshots?
Click to expand...
Click to collapse
Its in battery under settings and then tap on the battery chart also by the end of yesterday my phone spent about 30% of the day with out signal according to cell standby in the battery settings my HTC one that I've gone back to using has signal almost 100% of the time
Android.Addiction said:
I'm having connectivity problems as well in Dallas. Very spotty connection, especially inside buildings.
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Click to collapse
If every other phone you had before this one had much better service I would suggest getting it replaced with mine if I walked inside just about any building even single story stores and homes it would loose signal
dashraider said:
If every other phone you had before this one had much better service I would suggest getting it replaced with mine if I walked inside just about any building even single story stores and homes it would loose signal
Click to expand...
Click to collapse
The problems you describe were while using T-Mobile on a Nexus 5? I've only had T-Mobile service about a week now, before that I always used AT&T on samsung android phones (S4, Note II, etc). And service was always very strong on AT&T.
dashraider said:
Anyone using a nexus 5 on T-Mobile in the NY city area getting very bad reception I'm not sure if there's an issue with the device or tmobiles service coming from an HTC one that had excellent reception I think there might be something wrong with my device
Sent from my Nexus 5 using xda app-developers app
Click to expand...
Click to collapse
Anecdotally, I'm having terrible reception in NYC as well. At home and in the office, barely one bar, frequently none.
Over the past 2 years on an HTC Sensation 4G, have typically had no reception problems in these same areas - 2-3 bars at all times.
Android.Addiction said:
The problems you describe were while using T-Mobile on a Nexus 5? I've only had T-Mobile service about a week now, before that I always used AT&T on samsung android phones (S4, Note II, etc). And service was always very strong on AT&T.
Click to expand...
Click to collapse
I've had T-Mobile for years and never had connection issues as bad as this so im hoping it was just a faulty device and not the device in general just getting poor reception
BKPhil said:
Anecdotally, I'm having terrible reception in NYC as well. At home and in the office, barely one bar, frequently none.
Over the past 2 years on an HTC Sensation 4G, have typically had no reception problems in these same areas - 2-3 bars at all times.
Click to expand...
Click to collapse
sounds like the same issue im having ill update when ever i get my replacement to see if anythings changed
We have the same issue with Nexus 5 with Tmobile in greater NYC metro area. When i tried with my old Samsung mobile there is no issue and it works fine. The problem, I can't make and receive any calls. Most of the callers told me, it goes to voice message after couple of rings. I didn't get even single ring and voice mail message. Frustrating Nexus 5.
My friend and I have the same problem too.
Both 16gb White
What colour of nexus 5 you guys have?
I see some have white, maybe white causes this issue??
Having the same issue as well. I have a 32gb white model and I randomly lose all bars when my friend calls me. It is very random and only happens a few times. Going to go and switch out the SIM from T-Mobile and have them reset my line and see if that fixes the problem.
king23adrianc said:
My friend and I have the same problem too.
Both 16gb White
What colour of nexus 5 you guys have?
I see some have white, maybe white causes this issue??
Click to expand...
Click to collapse
32GB black with miserable cell reception here, so not a color issue.
Maybe an LTE issue? Might explain why our old devices got better reception, if they were using older gen signals/antennas? Not that we'd want to in the long term, can we disable the LTE services and live off the previous gen, at least to test?
---------- Post added at 12:32 PM ---------- Previous post was at 12:30 PM ----------
Boweezie said:
Having the same issue as well. I have a 32gb white model and I randomly lose all bars when my friend calls me. It is very random and only happens a few times. Going to go and switch out the SIM from T-Mobile and have them reset my line and see if that fixes the problem.
Click to expand...
Click to collapse
I get lots of complete dead drop outs too, even on Wifi. One moment cruising along, the next I'm disconnected, the next I'm back on. Something is not right with this device.
Hmm I need to also find some time to visit a t-mobile store and check out why my reception just drops and gets spotty all of the sudden sometimes.
I have the 32gb white model. I never get LTE while two of my friends with Nexus 5 that were next to me both got LTE.
I also had my signal drop to 0 in a starbucks before, and I never had that happen with my previous Nexus 4, was frustrating since I couldn't get the promo code for my starbucks reward drink x.x
Ok guys Google is definitely on its game with replacing your your nexus 5 placed my RMA Sunday night got it today and I can report my new phone is working as it should I wouldn't say it gets as good a signal as my one did but a minimal difference that you would expect between two different devices so if your having an issue call up Google tell them you already spoke to T-Mobile about your service issues and they couldn't help you and that your certain its a device issue as a side note their RMA process has you basically buy a new device and send them the old one
Also I had a black 32gb so I don't think the color matters
Sent from my Nexus 5 using xda app-developers app
After my research, When we switch back to 2G (GSM Only) option there is no issue with voice calls but the data speed is very slow as expected. It seems that there is an issue with T-mobile towers LTE/3G/4G for voice calls. Below is the problem with Sprint network, looks like same thing happening for Tmobile.
s4grudotcom - sprint lte connectivity issues due to circuit switched fallback technology.
If you need voice calls high priority like me, give a try to switch GSM only.it shows E network on signal bar.

Loss of 4G?

I've been trying to troubleshoot this problem for the past 3 days or so. In a nutshell, I'm on AllainceRom (which I have been since released) and get constant 4G signal. Wake up, head to work and notice no signal at all. I check and my mobile data was shut off, so connected it. It gets a connection...3G. Turn on/off airplane mode and still 3G. Borrow friends sim card, boot it up and it's 4G. Figuring it's the sim card, I buy a new one. Call Verizon to activate it, BAMM 4G is back. Within 2 minutes after the phone call, it loses signal, then kicks back on, 3G again. I would hit airplane mode on/off and 4G would pop out and all of a sudden it would go back to showing nothing,then revert to 3G again. Any ideas of what can cause this? I'm baffled. I even downloaded the MF1 versus ML1 and it still shows 3G. My download speeds, a blazing 2 megs. Almost feel like I've been throttled or something for some reason.
Has your phone been working fine before and this just started happening over the past few days? Also do you only lose 4G in certain areas?
I know that it is recommended to flash the ML1 modem on any 4.3 based ROM because of potential 4G issues.
This might sound odd, but I think somehow they are throttling me. I'm on the grandfathered unlimited plan. What's odd is that I can take an old sim card (from Thunderbolt), basically cut it to the same size as my S3, reboot and 4G is constant (this phone is part of my dummy line so limited to 2gigs per month). Take out that card, put in new one, it boots up and has like 4 bars while searching for signal, then drops to like 3 and connects to 3G again constant.
4G has been constant here for the past 2 years, Verizon tech support confirmed no outages. My wife and son have unlimited as well, but iphone 4's with 3G coverage. Thinking my unlimited 4G is getting knocked down for some reason.
I tried a new rom, Clean Rom and same results with signal quality. Just odd it happening all of a sudden with no changes.
Also, with my thunderbolt 4G sim card, mobile network type was listed as LTE. With the brand new sim card they activated, it's showing "CDMA -eHRPD", as it was showing with my old card.
BattsNotIncld said:
Has your phone been working fine before and this just started happening over the past few days? Also do you only lose 4G in certain areas?
I know that it is recommended to flash the ML1 modem on any 4.3 based ROM because of potential 4G issues.
Click to expand...
Click to collapse
snafufx said:
This might sound odd, but I think somehow they are throttling me. I'm on the grandfathered unlimited plan. What's odd is that I can take an old sim card (from Thunderbolt), basically cut it to the same size as my S3, reboot and 4G is constant (this phone is part of my dummy line so limited to 2gigs per month). Take out that card, put in new one, it boots up and has like 4 bars while searching for signal, then drops to like 3 and connects to 3G again constant.
4G has been constant here for the past 2 years, Verizon tech support confirmed no outages. My wife and son have unlimited as well, but iphone 4's with 3G coverage. Thinking my unlimited 4G is getting knocked down for some reason.
I tried a new rom, Clean Rom and same results with signal quality. Just odd it happening all of a sudden with no changes.
Click to expand...
Click to collapse
I doubt you are getting throttled. Unless you are using up 100+ GB a month constantly. If that was the case you can call tech support and ask if you are. I'm pretty sure they would have to tell you if they were.
Was there something specific you did to your phone before this started happening? Have you tried different ROMs or re-flashing Alliance?
If you've exhausted all options I think something is borked and you need to reprovision. To do this you would need to ODIN to a stock 4.1.2 base and enter the reprovision code into the dialer (*2767*3855#). This will wipe your internal data so I would back up anything you need first. Once you do that you can re-root and flash a custom recovery then flash back to whatever you want.
Just make sure you don't take the 4.3 OTA if you return to stock unless you want to re-lock your bootloader.
That's the odd thing, nothing was changed prior to this switching to 3G, like it happened all of a sudden. I checked my usage and I'm at 19 gigs this month (yeah I tether a lot).
I tried beanstalk rom (4.4.2) and something odd happened. In preferred network type, under CDMA+LTE/EVDO I would get 3G. If I switch it to LTE/GSM/WCDMA 4G would pop up, but no mobile data so unable to make phone calls. With this rom, I would insert my old thunderbolt sim card and 4G all day long again with no issues.
I guess the only option would be to revert to stock and start all over in hopes it'll switch back. I was hoping it was just the icons jacked up, but at 3G my d/l speed was 2 megs, at 4G it would hit 12-14 megs.
BattsNotIncld said:
I doubt you are getting throttled. Unless you are using up 100+ GB a month constantly. If that was the case you can call tech support and ask if you are. I'm pretty sure they would have to tell you if they were.
Was there something specific you did to your phone before this started happening? Have you tried different ROMs or re-flashing Alliance?
If you've exhausted all options I think something is borked and you need to reprovision. To do this you would need to ODIN to a stock 4.1.2 base and enter the reprovision code into the dialer (*2767*3855#). This will wipe your internal data so I would back up anything you need first. Once you do that you can re-root and flash a custom recovery then flash back to whatever you want.
Just make sure you don't take the 4.3 OTA if you return to stock unless you want to re-lock your bootloader.
Click to expand...
Click to collapse
If other SIM cards are working correctly, it can't be anything wrong with the phone. I would either go to Verizon and keep asking for new SIM cards until you get one that works, or try to reprovision like I explained earlier.
Thanks for the suggestions, I'm rocking stock 4.0.4. now and still only have 3G service. Guess I'll just keep it like this and hit up the Verizon store and have them figure it out since it's stocked back out.
BattsNotIncld said:
If other SIM cards are working correctly, it can't be anything wrong with the phone. I would either go to Verizon and keep asking for new SIM cards until you get one that works, or try to reprovision like I explained earlier.
Click to expand...
Click to collapse
I was experiencing similar issues as you this morning. After an hour of the nice lady at tier 1 tech support telling me to erase everything on my phone and that it was probably bc I was talking to her on the phone while trying to fix it I reached a resolution upon calling back. I was sent to a higher tier tech support and they told me that my data was being throttled and it was directly related to my high data usage.
Confused I asked her how that was possible bc they aren't suppose to throttle LTE. She said there is a problem with their system and instead of only throttling 3G, it was now throttling LTE data. She explained this is a nationwide issue and that some people she has talked to have been experiencing trouble with this issue since March 23rd!!
Similar to you I tried another phone, my nexus galaxy only to experience the same problem. The only thing that worked for me was switching my network mode from LTE/CDMA to Global. I could then tether Netflix and use the data connection without being impeded. However, certain functions like my email (gmail and yahoo) and verizon cloud services would say network error or network communication error.
Strangely tonight my phone seems to be back in working order, I'm not sure if its just because there is no network congestion so I'm not being throttled and it will return or if the issue has been actually fixed.
Now that I think about it, it's possible the tech was wrong and it's a CDMA to lte handshake issue they are having which would explain why global mode would work? It maybe that they upgraded the towers to lte advanced in my area causing these types of issues but hard to confirm any of this with verizon being so tight lipped about what areas have lte advanced.
Replied to your post, I'll update once I get back from Verizon.
Samutd45 said:
I was experiencing similar issues as you this morning. After an hour of the nice lady at tier 1 tech support telling me to erase everything on my phone and that it was probably bc I was talking to her on the phone while trying to fix it I reached a resolution upon calling back. I was sent to a higher tier tech support and they told me that my data was being throttled and it was directly related to my high data usage.
Confused I asked her how that was possible bc they aren't suppose to throttle LTE. She said there is a problem with their system and instead of only throttling 3G, it was now throttling LTE data. She explained this is a nationwide issue and that some people she has talked to have been experiencing trouble with this issue since March 23rd!!
Similar to you I tried another phone, my nexus galaxy only to experience the same problem. The only thing that worked for me was switching my network mode from LTE/CDMA to Global. I could then tether Netflix and use the data connection without being impeded. However, certain functions like my email (gmail and yahoo) and verizon cloud services would say network error or network communication error.
Strangely tonight my phone seems to be back in working order, I'm not sure if its just because there is no network congestion so I'm not being throttled and it will return or if the issue has been actually fixed.
Now that I think about it, it's possible the tech was wrong and it's a CDMA to lte handshake issue they are having which would explain why global mode would work? It maybe that they upgraded the towers to lte advanced in my area causing these types of issues but hard to confirm any of this with verizon being so tight lipped about what areas have lte advanced.
Click to expand...
Click to collapse

[Q] No signal strength all of a sudden

Hello,
I bought my Nexus 5 on the 11th of December 2013 and it had been working flawlessly ever since. Since last week, I started noticing the occasional signal drop and I'd be out of cell reception but would usually be back up within no time. However, yesterday, out of the blue I'm travelling on the highway and my signal strength disappears never to come back again. I've tried the following:
- Restore old backup (including EFS)
- Went back to stock from PA
- Upgraded to the latest radio
- Took back cover off to see if anything was wrong but found nothing.
- Tried another SIM card
Nothing worked. My SIM card works fine in another phone. Everything else such as WiFi and Bluetooth works flawlessly but I just don't get any reception.
This is very disappointing and I have my fingers crossed hoping someone can help me with this since I didn't plan on getting a new device for at least another year especially after paying $520 USD for my phone here in my country.
Thank you for looking.
im having a similar problem with the radio after the last few otas. im getting a lot of dropped calls on 3g aws...
im going to try to revert to an old radio as i don't think this is a hardware failing issue..
Sent from my Nexus 7 using Tapatalk
Flash stock firmware with fast boot. If its the same, its a carrier issue....call them to see. Or its hardware failure.
just wanted to post my fix for this issue - very disappointed with Google that i had to do this...my provider is mobilicity canada (3g aws band fyi)
flash krt01b radio from this thread...
http://forum.xda-developers.com/showthread.php?t=2514095
this is *not* a carrier or hardware issue (at least in my case)
seems others are having same issue
https://code.google.com/p/android/i...s Owner Summary Stars&groupby=&sort=&id=70878
Then it is a carrier issue....cause on Telus in Canada....never had an issue with any radio version. ?
telus would have a stronger overall signal but uses AWS band for lte which is different than mobilicitiy 3g aws...
I'm not disagreeing.... Just saying its the carrier....not Google.
See my point?
KJ said:
I'm not disagreeing.... Just saying its the carrier....not Google.
See my point?
Click to expand...
Click to collapse
are you saying mobilicitiy is purposely weakening their cell signal cause they are almost bankrupt ?
i still blame google i had no issues with the radio before they borked it...
nolook said:
are you saying mobilicitiy is purposely weakening their cell signal cause they are almost bankrupt ?
i still blame google i had no issues with the radio before they borked it...
Click to expand...
Click to collapse
Just saying that unless many have the issue with the phone or radio, then its an issue.....if not, it isnt .
So in this case, it leaves hardware or carrier....assuming a stock flash didn't help.
If flashing another radio helps the OP...awesome!! But the new radio does work fine for the mass majority.
Hope it does work for him tho!

Note 10+ - Horrible signal strength

I received the Blue Note10+ from the Samsung preorder. (SM-N975U1). I'm using it on T-Mobile.
I'm having serious signal strength issues. My Note 8 is at 3 bars while the Note10+ has 0 or 1 bar while indoors. I usually have full 4 bars with the Note8 when I walk outside, but I rarely hit 3 bars with the Note 10+ wherever I'm at. I've never hit the full 4 bars yet with the Note 10+.
Is anyone having this issue? Any suggestions for a solution?
Bars alone don't tell the whole picture as each phone is calibrated differently. The only way to know for sure is running speed tests and comparing actual signal strength numbers in the settings.
bawobogo said:
I received the Blue Note10+ from the Samsung preorder. (SM-N975U1). I'm using it on T-Mobile.
I'm having serious signal strength issues. My Note 8 is at 3 bars while the Note10+ has 0 or 1 bar while indoors. I usually have full 4 bars with the Note8 when I walk outside, but I rarely hit 3 bars with the Note 10+ wherever I'm at. I've never hit the full 4 bars yet with the Note 10+.
Is anyone having this issue? Any suggestions for a solution?
Click to expand...
Click to collapse
Get the actual signal strength on each phone to compare...I have a TMO version of the S10+ and unlocked versions of the Note, the 10+ and a 9... the db strength measures the same on all phones, yet the TMO version shows additional bars... for example, at 99db to 104db, the tmo shows 3-4 bars, the unlocked 2...
Go to About phone, Status, sim card status to get the actual signal strength...
Same. Pixel 3 works, Note 10 has zero bars and doesn't work. I assume it's not connecting to TMobile bands
I'm on Sprint, got the Note 10+ around 9:30 yesterday. No issues whatsoever.
Can you tell us the dbm compared to the pixel? I'm really curious if I should just flash the tmo firmware before I even bother to load it.
kolyan said:
Same. Pixel 3 works, Note 10 has zero bars and doesn't work. I assume it's not connecting to TMobile bands
Click to expand...
Click to collapse
You might need to update the PRL? Assuming it's a new phone. Have you contacted TMO?
EDIT: Seems like TMO is having issues.
jackdforme said:
Can you tell us the dbm compared to the pixel? I'm really curious if I should just flash the tmo firmware before I even bother to load it.
Click to expand...
Click to collapse
I am home now. Dbm here is the same and everything works. I was in the area that had signal problems and Pixel was probably using band 12 whereas Note just lost signal for good
---------- Post added at 01:42 AM ---------- Previous post was at 01:39 AM ----------
zedwards said:
You might need to update the PRL? Assuming it's a new phone. Have you contacted TMO?
Click to expand...
Click to collapse
I am on Google Fi
Flash the T-Mobile frimware on it
bawobogo said:
I received the Blue Note10+ from the Samsung preorder. (SM-N975U1). I'm using it on T-Mobile.
I'm having serious signal strength issues. My Note 8 is at 3 bars while the Note10+ has 0 or 1 bar while indoors. I usually have full 4 bars with the Note8 when I walk outside, but I rarely hit 3 bars with the Note 10+ wherever I'm at. I've never hit the full 4 bars yet with the Note 10+.
Is anyone having this issue? Any suggestions for a solution?
Click to expand...
Click to collapse
Did you check for software update when you got your phone? When I received my unlocked Note 10 on the 21st, there was a new software update. Although the update didn't call out signal strength specifically, but you never know... After playing around with the device, I flashed it with T-Mobile firmware. I didn't have enough time to test cell signal, but haven't seen issues yesterday and today. The signal strength is on par with my Pixel 2 and S10e
I've run speed test at the same exact spot with my Note 8, OnePlus 6T and Note 10+ and they're all just about the same, between 85-90Mbps DL.
I have one less bar at home but still managed to get 120mb download speed. Havent looked at the dbm readings. Elsewhere its been just as good as my s8+.
Unlocked N10+.
Charkatak said:
Did you check for software update when you got your phone? When I received my unlocked Note 10 on the 21st, there was a new software update. Although the update didn't call out signal strength specifically, but you never know... After playing around with the device, I flashed it with T-Mobile firmware. I didn't have enough time to test cell signal, but haven't seen issues yesterday and today. The signal strength is on par with my Pixel 2 and S10e
Click to expand...
Click to collapse
I am on Tmobile and also bought the unlocked (note+) version and ran the update. If you could be so kind, what does flashing the Tmo firmware do (and how do I do it)? Would this give me everything Tmobile puts on their phones? Is there a benefit to doing that? I am curious if that would help with the signal strength.
rosedog said:
I am on Tmobile and also bought the unlocked (note+) version and ran the update. If you could be so kind, what does flashing the Tmo firmware do (and how do I do it)? Would this give me everything Tmobile puts on their phones? Is there a benefit to doing that? I am curious if that would help with the signal strength.
Click to expand...
Click to collapse
You just use Odin to flash TMobile firmware for note 10, you will have all TMobile bloatwares and features that built-in T-Mobile firmware. I believe you gain more signal bars. I also think you will be able to do video calling on your U1. I don't have note 10, still hang on with my note 9, N960U1.
rosedog said:
I am on Tmobile and also bought the unlocked (note+) version and ran the update. If you could be so kind, what does flashing the Tmo firmware do (and how do I do it)? Would this give me everything Tmobile puts on their phones? Is there a benefit to doing that? I am curious if that would help with the signal strength.
Click to expand...
Click to collapse
So if you flash T-Mobile firmware on your Note 10, you will gain few features:
1) Advanced Messaging - be able to see when person read your sms, when it was delivered or when person is typing a message. You can also send images/videos of a larger sizes about ~10MB. This will only work when you text people that have similar software or that use T-Mobile
2) Video calling will be built in to the phone dialer app - works with phones from T-Mobile that use similar software(LG, Samsung, Moto)
3) Will have 4G LTE wording in the status bar instead of just LTE or LTE+
4) T-Mobile logo on boot and sounds
5) Practically no bloatware - after flashing, during phone setup, you will be asked if you want to install 3 T-Mobile apps: Visual Voice mail, T-Mobile account app and Macfee antivirus - just don't check boxes if you don't need them.
The reason I flash my phones with T-Mobile firmware is that, before releasing they test the update so it would work better on their network and that I have T-Mobile
Charkatak said:
So if you flash T-Mobile firmware on your Note 10, you will gain few features:
1) Advanced Messaging - be able to see when person read your sms, when it was delivered or when person is typing a message. You can also send images/videos of a larger sizes about ~10MB. This will only work when you text people that have similar software or that use T-Mobile
2) Video calling will be built in to the phone dialer app - works with phones from T-Mobile that use similar software(LG, Samsung, Moto)
3) Will have 4G LTE wording in the status bar instead of just LTE or LTE+
4) T-Mobile logo on boot and sounds
5) Practically no bloatware - after flashing, during phone setup, you will be asked if you want to install 3 T-Mobile apps: Visual Voice mail, T-Mobile account app and Macfee antivirus - just don't check boxes if you don't need them.
The reason I flash my phones with T-Mobile firmware is that, before releasing they test the update so it would work better on their network and that I have T-Mobile
Click to expand...
Click to collapse
AWESOME! Thanks for the reply.
I have noticed something about my signal. It may show one bar but compared to my Note 9, so far, it is blowing it out of the water with internet access. The building I work in has a metal roof and typically that spells trouble for fast browsing. The 10+ seems to be accessing sites faster. However using the GPS this morning I could have sworn it told me it lost signal.
*edit*
Forgot to ask...when flashing the T-Mobile firmware does that trip Knox? Is that still a thing worth worrying about?
I haave two conflicting opinions on flashing tmo firmware.
Thing One.
The carriers lie to us. That's why the tmo signal is better. Not because it's better, it's probably a marketing directive. Resetting the Calc of bars shown to dbm is not optimizing anything. It's making its customers not see dead zones and drop outs. Even though you still have no access on the device.
Thing Two.
But what if I'm wrong. Is it impacting my battery life having computationally lower bars?
Oh the madness.
Sent from my SM-N975U1 using Tapatalk
I have zero bars now on N10 with T-Mobile band 66. Unfortunately I have no clue how to check bands on Pixel 3 phone, it gives be 4 bars of LTE
I have the same crap signal strength. My note 4 and 9 no probs. Changed sim card. Changed carrier, took phone To an authorized Samsung service center same problem. I find on Google that and saw how many others are having the exact same problem. The Samsung service center said they've been getting more and more calls on this problem and it's not a software issue it's a hardware issue. They told me there's not a hardware update, meaning there is not an antenna that can be replaced it's Built-in to the phone to where they couldn' change it out
flashprash65 : So are you telling us that we will never have a better signal than we currently have?
That we spent $ 1200 for a product that will never work properly?

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