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[Q] HTC One signal drops

Hi all,
I have bought a Htc One M7 handset recently and I have noticed time to time there are No Signals (Limited Service) on it. When I switch off/ switch on or if I turn on the Airplane mode and turn off again, the signals will restore. This is happening around 2 times per day and really annoying. Need to know whether this is a known issue for the model.. I still didn't change the SIM and check. Please help!!!!!
Thanks alot!

Fellow Sufferer
shehanj101 said:
Hi all,
I have bought a Htc One M7 handset recently and I have noticed time to time there are No Signals (Limited Service) on it. When I switch off/ switch on or if I turn on the Airplane mode and turn off again, the signals will restore. This is happening around 2 times per day and really annoying. Need to know whether this is a known issue for the model.. I still didn't change the SIM and check. Please help!!!!!
Thanks alot!
Click to expand...
Click to collapse
I have the same thing
To add some detail for diagnostics see below:
- I travel into London every day and sometimes when signal drops in the tunnels it will never pick back up again after leaving them whereas my old One X did not have this on the same journeys.
- It even dropped out mid call and came up with the sim card icon at the notification bar as if no card inserted (but no selectable notification) first time its happened to this extent.
- Do you have a 4G SIM/connection or are you on 3G like myself? I'm thinking perhaps its something to do with trying to pick up 4G instead and completely disregarding the 3G connection that is available.
- I have also noticed that ever since getting the handset its never had as good signal as my One X which was pretty much always full signal in my normal areas (home, work etc) This may just be the way the handset gauges the signal not the signal itself but something to note anyway.

I'm having the same issue here in the US. It's prolly my only complaint with my phone.
Sent from my HTC One using xda app-developers app

I'm also having this issue but more sever with an all-day no signal. After reboot, I gain signal and I can't make and receive calls.

Try to turn 4G off.

mrcaligula said:
Try to turn 4G off.
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Click to collapse
How does one do that? Having the same problem, both wifi AND mobile network drop off. Wifi comes back on its own after a few seconds, the mobile data connection often comes back (obviously if not on wifi away from home), but the mobile network stays as no signal and doesn't come back, unless I reboot or cycle aeroplane mode. I know there's some problems with touching antenna, but this is happening a lot in the car, when the phone is powered and sitting in a cradle.

bmcconalogue said:
How does one do that? Having the same problem, both wifi AND mobile network drop off. Wifi comes back on its own after a few seconds, the mobile data connection often comes back (obviously if not on wifi away from home), but the mobile network stays as no signal and doesn't come back, unless I reboot or cycle aeroplane mode. I know there's some problems with touching antenna, but this is happening a lot in the car, when the phone is powered and sitting in a cradle.
Click to expand...
Click to collapse
To turn off 4G you go to Settings -> Mobile data -> Network mode and then select "3G / 2G"
don't know if it'll help though, but trying is worthwhile

nkk71 said:
To turn off 4G you go to Settings -> Mobile data -> Network mode and then select "3G / 2G"
don't know if it'll help though, but trying is worthwhile
Click to expand...
Click to collapse
Thanks. The problems seems to have gone with that change. Perhaps it is some system thing kicking me off the network because I don't have 4G on my contract and my phone was trying to get it.
Now, if you can just tell me why my lovely 3-4 bar indoors signal on EE has dropped to 0-1 outdoors (as they deny there is a problem)

bmcconalogue said:
Thanks. The problems seems to have gone with that change. Perhaps it is some system thing kicking me off the network because I don't have 4G on my contract and my phone was trying to get it.
Now, if you can just tell me why my lovely 3-4 bar indoors signal on EE has dropped to 0-1 outdoors (as they deny there is a problem)
Click to expand...
Click to collapse
Are you sure it's not just cosmetic? Try going into Settings->About->Network and see if the signal (dBm) is dropping.
Sent from my HTC One using xda app-developers app

I have it constantly on att - I have to turn on airplane mode and turn it back off to get my network back, I have tried different roms and updates and still the issue is across all roms.

Maybe try this: in your dialer type *#*#4636#*#*. Once the menu is opened, select Phone information, then scroll down to Set preffered network type and choose one of the options (im from Serbia, europe, and I usualy go with GSM auto (PRL)).

Issue with 3g only
Whenever I keep it on 3G, it drops signals for 2 to 7 seconds at random intervals. People often complain that when they call, they get a message that my phone is switched off.. I am probably gonna try another ROM and SIM to see if that helps before dumping this phone forever.

how to solve limited service or loosing service on htc one m7
Hello
it seems to be a hardware fault where the radio is not staying on higher band
it seems to be having issues on 2100 and all umts and hspda or lte networks
however switching back to 2 g can resolve this issue and phone ( hope so) will never lose signals or drop then again
i tried this and for me this works fine so far over 12 hours now no issue
give it a try and see this should work
setting>data>network>2g only
by this you wont have option to use fast internet though but at least you can phone can be used for voice calls messaging etc and also wifi too
I was on stock lolli pop and tried to flash cm12.1 but does not help sort the limited service issue
enjoy and leave your feedback
Edit:
some people cant find 2g in settins>mobile network>preferred network type> lte or 3g only, the solution is go to *#*#4636#*#* phone info>set preferred network type>gsm only( this will put your device into 2g mode)
hope this work

(Q)HTC one low signal bars UK EE/Orange

i recently unlocked, rooted and s-off my htc one, on stock i used to get around 5/4 signal bars and now i only get two/three.
im currently running trickdroid 7.5 rom 4.2.2.
so im looking for a radio which would work for orange/EE in the UK.
please can someone help, or point me into the right direction

this is the one for the 4.2.2 firmware
http://forum.xda-developers.com/showpost.php?p=42139108&postcount=18404

Are you sure that it is not the same level? Don't be fooled by the bar looking different, remember that it might show 2 bars of LTE but that could still be better than 5 bars of H+ (as an example).
So if you used to get 5 bars of 3G but your now getting 2 bars of H or H+ then you are better off even though its less bars.
Please do not take this as me treating you as if you are stupid, I am not, I have come across a lot of people recently who thought the same, and it turned out to just be a different type of signal.

fixed
okk i just flashed 1.29.401.12 Radio and it's back to normal.
i found it here http://forum.xda-developers.com/showthread.php?t=2245615

Lennyuk said:
Are you sure that it is not the same level? Don't be fooled by the bar looking different, remember that it might show 2 bars of LTE but that could still be better than 5 bars of H+ (as an example).
So if you used to get 5 bars of 3G but your now getting 2 bars of H or H+ then you are better off even though its less bars.
Please do not take this as me treating you as if you are stupid, I am not, I have come across a lot of people recently who thought the same, and it turned out to just be a different type of signal.
Click to expand...
Click to collapse
thanks for the input but!
i never said i was using my data connection,

Same principle applies even with data off.
Sent from my HTC One using Tapatalk 4 Beta

Lennyuk said:
Are you sure that it is not the same level? Don't be fooled by the bar looking different, remember that it might show 2 bars of LTE but that could still be better than 5 bars of H+ (as an example).
So if you used to get 5 bars of 3G but your now getting 2 bars of H or H+ then you are better off even though its less bars.
Please do not take this as me treating you as if you are stupid, I am not, I have come across a lot of people recently who thought the same, and it turned out to just be a different type of signal.
Click to expand...
Click to collapse
So if I have 5 bars when set to "GSM" only but 2-3 when set to "GSM/CDMA" .. that's as good?
I'm being serious btw, I normally set mine to just GSM as I seemed to have more signal but if there isn't any point then I won't bother lol ..I'm in the UK btw and on a network that doesn't support LTE (I think)

AllAboutTheCore said:
So if I have 5 bars when set to "GSM" only but 2-3 when set to "GSM/CDMA" .. that's as good?
I'm being serious btw, I normally set mine to just GSM as I seemed to have more signal but if there isn't any point then I won't bother lol ..I'm in the UK btw and on a network that doesn't support LTE (I think)
Click to expand...
Click to collapse
You can confirm the 'type' of signal you are getting at any time in the menu > settings > about part of the phone.
Your phone will automatically switch to whatever the best signal is available at any time, you don't really need to change your GSM/WCDMA settings, unless you really want to force it away from 3G connections (again this does not mean you have to have data turned on).

Cool, I'm not too fussed about what data type it uses as I rarely have data turned on, I just naturally assumed that by switching it from GSM'CDMA Auto to just GSM, meant that I'd have better reception, being that the signal bars went from 2/5 to 5/5 ... You learn something new everyday lol
EDIT: I checked my signal, and I mean my reception, not the data connection type, when switched between GSM/WCDMA Auto and GSM Only and there is a huge difference. I found this guide:
dB Signal - A basic guide
-50 to -60 (very strong, near a cell tower)
-60 to -70 (extremely good, rare)
-80 to -85 (normal downtown)
-90 to -95 (getting on the weak side)
-95 to -98 (weak, dropping calls)
-98 to -100 (bad, hard to stay connected)
-100+ (basically no usable signal)
When I set my phone to GSM Only I hover around -70, which is good, when I switch to GSM/WCDMA Auto it is a different story. I know it changes and finds the best signal, which I might add drains more battery on an already power hungry beast, but I was hovering at -100 which is terrible and often calls were dropping or people were saying it was engaged when infact I hadn't used it.
It's clear to me that in my case, GSM Only is the far better option if I actually want to use my phone to make calls ... Data speeds I'm not arsed about so EDGE is just fine with me.

[Q] How to prefer 4G over 3G

Here in Wichita, we finally got LTE, so when I got my HTC One, I was thrilled. Sure enough, on any given day, I get anywhere from 5MB to 15MB speed on 4G. On 3G though, even with full bars, I average between .05MB to sometimes all the way up to .5MB speed. Those speeds aren't new, and have nothing to do with my One. Had the same results on my old Evo3D, and E4GT. My question really is, is there some way that I can force the phone to prefer 4G instead of 3G? If my 3G signal is stronger, it uses that, even though the speeds are absolutely terrible.
I have gone in and changed the priority, but through the normal options, the only real choices I have are either Auto, or CDMA/LTE. I have used both options, and see no difference in behavior. Using the dialer menu, I can change it to LTE Only, but of course that makes it so I can't get phone calls.
I really wish there was a toggle to specify which network I want to run on. As it is, if it won't switch to 4G, my workaround is to turn the mobile data off through the toggle, wait a few seconds and turn it back on, then cross my fingers that it will choose to connect to the 4G network.

adarict said:
Here in Wichita, we finally got LTE, so when I got my HTC One, I was thrilled. Sure enough, on any given day, I get anywhere from 5MB to 15MB speed on 4G. On 3G though, even with full bars, I average between .05MB to sometimes all the way up to .5MB speed. Those speeds aren't new, and have nothing to do with my One. Had the same results on my old Evo3D, and E4GT. My question really is, is there some way that I can force the phone to prefer 4G instead of 3G? If my 3G signal is stronger, it uses that, even though the speeds are absolutely terrible.
I have gone in and changed the priority, but through the normal options, the only real choices I have are either Auto, or CDMA/LTE. I have used both options, and see no difference in behavior. Using the dialer menu, I can change it to LTE Only, but of course that makes it so I can't get phone calls.
I really wish there was a toggle to specify which network I want to run on. As it is, if it won't switch to 4G, my workaround is to turn the mobile data off through the toggle, wait a few seconds and turn it back on, then cross my fingers that it will choose to connect to the 4G network.
Click to expand...
Click to collapse
*#*#4636#*#* and go to Phone Information. There you can set the radio mode. You can set it to LTE,CDMA. That will force LTE and give you 1X for voice calls, but if the LTE signal isn't strong enough it drops to 1X and not EVDO (3G).

I will give it a try now that I am on 4.3. I did that on 4.1 not long after release, and it did force 4g, but it prevented me from getting voice calls. I called my number from another phone, while I was just sitting at my home screen with no apps open, and the call never came through. Tried it multiple times from two areas of town to make sure. Anyway, it is worth trying again. Thanks.
Sent from my HTCONE using Tapatalk 4

Data connection is suddenly not working

After 2-3 days of not messing with the phone anymore (flashing, putting root apps, etc) my somewhat alright LTE signal has now turned into 3G with no circle around it meaning it's connected to the network, but not actually getting data. It happened while I had the phone in standby for a few minutes, so I can't think of any one app that caused it. Reinstalled rom even after a full wipe.
The strange thing is I will sometimes get a faint signal of 3G which then dissapears within a minute. I did the latest OTA before I flashed my rom so I should have the newest radios and everything. I can't update profile either. My family is getting good signal so I know it's something with my phone. Any ideas?

Happened to me too..I re activated with Hands Free activation to reset the data connection to Sprints network..Only worked twice for me through out the day then the phone was just stuck in the same spot as yours (3G with circle around it). Nothing we did reset the data link to sprints network(cust. svs rep).I brought the phone back to where I bough it and they didn't allow an exchange unless they held the phone over night to test it..I didn't have time for it and everything i hear about the Triband set up Sprint is doing not allowing data while in a call and the growing pains of the network rebuild have worn down on me after 10 years so i had to return the phone and buy it on a network that allowed the phone to operate the way it was meant to..

When I first got the phone, it would hold an LTE signal much better than my m7. Then last night I notice LTE cutting in & out where it was pretty stable before. I check it was trying to connect to Band 26 which is 800 LTE. It might have been from a further away tower. This was the first time I have ever seen Band 26 in my area which is currently being deployed. The constant cutting in & out also drains my battery down. This has nothing to do with my phone but the towers which my home tower has been having issues since last July. For now I set my phone to CDMA only since I have wi-fi at home & work anyway I don't need the phone on LTE. Even when LTE was working on 1900 which was stable, the signal was still pretty week and would drain more batter than a strong 1X signal. Since LTE is data only right now, there is no reason to have the phone prefer LTE when wi-fi is on. With CDMA only it's not bouncing around all over the place.

CDMA-Less Device on Verizon (Amazing!)

One of the great things about this device on Verizon's network is instant LTE service. In my house I have dead areas which cause my signal to drop. When trying to get LTE back it can sometimes take 30 seconds or more because once I get to an area with service it will first go to 3G and then sometimes get stuck on it and I'll have to toggle airplane mode to get LTE back in a timely manner. With the OnePlus6T as soon as I have service it goes instantly to LTE! This is the first time I've ever had a device connect to LTE so fast. All my previous devices over the past 5 years since I've had LTE in my area have annoyed me because they always go to 3G first even though I have strong LTE service where I live.
I've always wondered why companies can't make their phones instantly connect to LTE when it's there and why they always favor 3G -- but this is no longer an issue since the OP6T doesn't have 3G on Verizon

imucarmen said:
One of the great things about this device on Verizon's network is instant LTE service. In my house I have dead areas which cause my signal to drop. When trying to get LTE back it can sometimes take 30 seconds or more because once I get to an area with service it will first go to 3G and then sometimes get stuck on it and I'll have to toggle airplane mode to get LTE back in a timely manner. With the OnePlus6T as soon as I have service it goes instantly to LTE! This is the first time I've ever had a device connect to LTE so fast. All my previous devices over the past 5 years since I've had LTE in my area have annoyed me because they always go to 3G first even though I have strong LTE service where I live.
I've always wondered why companies can't make their phones instantly connect to LTE when it's there and why they always favor 3G -- but this is no longer an issue since the OP6T doesn't have 3G on Verizon
Click to expand...
Click to collapse
What now happens in the areas where you only had 3G on your old phone? On your new Oneplus 6T do you just have no signal at all since it is only a LTE phone?

mjnoles1 said:
What now happens in the areas where you only had 3G on your old phone? On your new Oneplus 6T do you just have no signal at all since it is only a LTE phone?
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Click to collapse
Well, I'm assuming that in none LTE areas I'll have no signal at all. But, Verizon's whole network has been converted to LTE as far as I know. I never go anyone where I don't have LTE (and I live in the sticks). But in the off chance that happens I have 2 lines and my Pixel 2XL is still in service.

mjnoles1 said:
What now happens in the areas where you only had 3G on your old phone? On your new Oneplus 6T do you just have no signal at all since it is only a LTE phone?
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Click to collapse
I too am on Verizon, and in my office at work, one of the places I had zero service on Axon 7, I still get calls and text and one spotty bar of LTE. At my house, in the basement bedroom where I have missed countless calls and txts, I have 3 bars of signal and no issues with calls, txts, or LTE.
I drive all around my county for work, and so far, I havent hit a no service area. on the Axon 7, they were evident. It could just be better coverage due to glass back vs metal (the real reason OEMs have switched to glass back imho) or the better modem of the SD 845, but hands down, the cdma-less VZW is far superior for me IRL usage so far.
This is obviously subjective, but despite living in a rural area, I have no need for cdma so far. Vzw is the only carrier with good coverage where i live (upstate SC) and somehow, cdma-less is better.

kitcostantino said:
I too am on Verizon, and in my office at work, one of the places I had zero service on Axon 7, I still get calls and text and one spotty bar of LTE. At my house, in the basement bedroom where I have missed countless calls and txts, I have 3 bars of signal and no issues with calls, txts, or LTE.
I drive all around my county for work, and so far, I havent hit a no service area. on the Axon 7, they were evident. It could just be better coverage due to glass back vs metal (the real reason OEMs have switched to glass back imho) or the better modem of the SD 845, but hands down, the cdma-less VZW is far superior for me IRL usage so far.
This is obviously subjective, but despite living in a rural area, I have no need for cdma so far. Vzw is the only carrier with good coverage where i live (upstate SC) and somehow, cdma-less is better.
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what network type are you using in the phone information settings??

mpetruzz said:
what network type are you using in the phone information settings??
Click to expand...
Click to collapse
LTE only in *#*#4636#*#*
2g/3g/4g in Preferred Network Type

Yeah I was in a spot Friday that goes to 3g or no signal often. I still had some sort of signal. It had an R and an H on the signal bar I believe. It worked fine and was still pretty fast online. Signal is way better than any of the Pixels was.

When I select LTE only I get two signal icons in the status bar.

Just curious will wifi calling / VOLTE work on Verizon?

rekd0514 said:
Just curious will wifi calling / VOLTE work on Verizon?
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Click to collapse
Volte has worked for me since the moment the tech I chatted with switched my sim to CDMA-less. Case and point, I am in the section of my house with the worst reception, a spot where the Axon 7 I came from got zero service on tmob and Verizon. Yet, much to my heart's content, I have service and VOLTE in the downstairs Faraday cage that is my house.
To the second part, no, Verizon doesn't support wifi calling on this device yet. Hopefully, they will work that out soon, but so far, I am having the best network experience I have had yet with Verizon.

mpetruzz said:
When I select LTE only I get two signal icons in the status bar.
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Click to collapse
Wow, just reset mine and noticed. I guess I had defaulted back to LTE/CDMA/UMTS, which apparently works fine. When I switched to LTE only, you are correct, double LTE icons in the status bar. I don't remember it doing that on 9.0.4. That being said, the other, default setting works perfectly fine for me.

Did y'all not have any problems sending/receiving MMS (not SMS) when your phone was in LTE only mode? I had to manually switch back to the default preferred network type from the dialer menu in order to fix that issue.

I had no problems at all I did the following.
1.Ordered new SIM card
2.Turned off old phone and took out SIM from old phone
3.Went on my Verizon account put in info on BYOD
4. Insert New SIM in 6T
Finish Setting up in your Verizon account then turn on the 6T
Done all working
I was worried because my old phone was 3G but the LTE is everywhere I always have signal.