CM12
20150415
CLEAN as a whistle
I've been running CM for a while, rooting, unlocking, etc. Since the first Galaxy, actually and for the most part have always been able to bite down and get through, albeit some sweaty nights making sure I had a phone the next day. Anyway, my Moto X's bootloader is unlocked, and I'm running a very recent CM12 nightly and on a fresh reboot, I get LTE no issue. Once I connect WiFi, as always the LTE indicator would go off, never has been a problem. But now, when I turn OFF the WiFi, the cell signal will sometimes be locked to 1x, or 3G, never LTE. It seems to come back if I reboot but from what I can tell, I will lose LTE until a reboot if:
Phone call is made or received
LTE signal drops too low (Low signal area)
WiFi is connected and then disconnected
I reflashed the ROM, more times than I can count (cleanliness is next to godliness), and the radio.
Sent from my Moto X using XDA Free mobile app
Related
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
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.
I just got my new M8 today. Did the update, activated it, did the profile & PRL update, etc.
I am constantly getting the message that I am roaming on data. It seems to go back and forth between roaming and not roaming. Even outside I only get 1 bar of LTE and the LTE signal is a good 10dBvm worse than my old M7. My M7 never switched to roaming in the same location.
Anyone else noticing worse reception on this phone than the old HTC One?
I'm having the same issue.
Sent from my 831C using Tapatalk
I was worried bout the same myself. In the office with the M7, I wan't able to get LTE, but luckily with the M8 I am able too. I would have your phone checked at a corporate Sprint Store to see if it's faulty
kwolf said:
I just got my new M8 today. Did the update, activated it, did the profile & PRL update, etc.
I am constantly getting the message that I am roaming on data. It seems to go back and forth between roaming and not roaming. Even outside I only get 1 bar of LTE and the LTE signal is a good 10dBvm worse than my old M7. My M7 never switched to roaming in the same location.
Anyone else noticing worse reception on this phone than the old HTC One?
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Click to collapse
I had the same issue yesterday when I upgraded my radios to the new version (1.54). I was stuck in 3G roaming at my house which was normally low end LTE service before the upgrade. After flashing the radios I did a Profile and PRL update using WIFI, then restated my M8. After the restart I am back to having LTE coverage floating around -90-95 dBvm. I also notice that if LTE fails to connect swithing airplane mode On/Off helps as well as dialing *18 from the dialer. Hope it helps.
captain008 said:
I had the same issue yesterday when I upgraded my radios to the new version (1.54). I was stuck in 3G roaming at my house which was normally low end LTE service before the upgrade. After flashing the radios I did a Profile and PRL update using WIFI, then restated my M8. After the restart I am back to having LTE coverage floating around -90-95 dBvm. I also notice that if LTE fails to connect swithing airplane mode On/Off helps as well as dialing *18 from the dialer. Hope it helps.
Click to expand...
Click to collapse
I already did the profile/prl updates, and my phone isn't stuck on 3G. It will go 3G roaming, then 3G on sprint, then LTE. Seems to not be able to make up its mind. On my old phone it would usually toggle between LTE and 3G in this area, but NEVER did it go roaming. Even when I'm on WIFI I still get the annoying roaming notification in the notification bar every 5 minutes.
I also noticed my WiFi download speed on wireless AC is significantly worse than my M7. I used to be able to get 70mpbs on a speed test, this phone won't even break 12mbps. When I first turned the phone on it would only work on WiFi for the first 3 seconds after connecting and then it would stop. I had to keep connecting and disconnecting to WiFi to limp the software update download along. After it updated it at least stays connected and working on WiFi, but a lot slower than my old M7.
This phone was purchased on a SWAC account so I'm not sure if a Sprint store (which is 40 minutes away for the nearest one) would swap it for me.
Moved to Q&A...all questions should be posted in Q&A.
Thank You,
BD619
My M8 has had pefect 4g and 3g connectivity since I got it. It was a replacement for my first one that was horrible at connecting to anything. Over the weekend I noticed 4g not connecting as frequently as it should, in areas supposedly blanketed by lte coverage in my area.
If I toggle airplane mode, 4g connects and usually stays connected, so it can't be a circuit fallback issue. But when I travel away from that tower, it reverts to 3g and almost never reconnects to 4g until I do another airplane mode toggle.
Is it possible I've mucked up something with a firmware flash? I've flashed the harman/kardon firmware early in the week last week, but since these issues I've tried going back to the stock firmware and also the OTA firmware, but the issue remains.
FlowingAway said:
My M8 has had pefect 4g and 3g connectivity since I got it. It was a replacement for my first one that was horrible at connecting to anything. Over the weekend I noticed 4g not connecting as frequently as it should, in areas supposedly blanketed by lte coverage in my area.
If I toggle airplane mode, 4g connects and usually stays connected, so it can't be a circuit fallback issue. But when I travel away from that tower, it reverts to 3g and almost never reconnects to 4g until I do another airplane mode toggle.
Is it possible I've mucked up something with a firmware flash? I've flashed the harman/kardon firmware early in the week last week, but since these issues I've tried going back to the stock firmware and also the OTA firmware, but the issue remains.
Click to expand...
Click to collapse
I'd go to a sprint store and compare behavior of your with one on display.
Some people believe after firmware updates their M8 started active up. But usually it's loss of 3G. But anything is possible.
But I'd get a reference first. 4G will be available on one spot on my drive to work one day and not the next. Not sure if it's bandwidth thing or tower work or what.
Parameters of when to go on to LTE may have changed in firmware. So it's less likely to bounce between 4G and 3G.
[Q] Cell reception indicator constantly flips between "no reception" display and bars
I'm using the Xperia Z3 Compact on TMobile's network in the US.
About 1/4 of the time when I turn on the display the phone indicates that it has no cell reception:
1) The phone shows no bars of reception, and a red X over the bars
2) The lock screen reads "Emergency calls only"
However, within a second or two the phone appears to acquire an excellent signal and I get a full 3-4 bar display. All of the areas in which I use the phone are marked as "Excellent" on TMobile's coverage maps.
This also happens intermittently while I'm using the phone. I'm not sure if it's actually losing the signal or if it's just a software issue. I've never had it drop a call or cut out while I'm talking.
I'm getting only acceptable battery life from the phone (about 25% at the end of the day) despite light usage and conservative app installation, even though this phone has a reputation for excellent battery life. My theory is that this might have to do with the phone constantly disconnecting from the network and then having to re-aquire a signal.
Anyone else had this experience with the Z3C?
Hey mate.. I posted the exact same issue a couple of months back. I was experiencing this exact same issue.
I've had my LTE disabled for about a month now and haven't had a single drop.
Not sure if LTE is a dealbreaker but since my device is a business line, I can "suffer" with better battery life and slower internet if I'm not dropping calls. I've considered trying a ROM with updated radio firmware but figured I'd wait to see what the current Lollipop update does ('ll re-enable LTE once I install it and see if it repeats the same behavior) for my phone before trying a 3rd party system.
Hope this helps
sh0nuff said:
Hey mate.. I posted the exact same issue a couple of months back. I was experiencing this exact same issue.
I've had my LTE disabled for about a month now and haven't had a single drop.
Not sure if LTE is a dealbreaker but since my device is a business line, I can "suffer" with better battery life and slower internet if I'm not dropping calls. I've considered trying a ROM with updated radio firmware but figured I'd wait to see what the current Lollipop update does ('ll re-enable LTE once I install it and see if it repeats the same behavior) for my phone before trying a 3rd party system.
Hope this helps
Click to expand...
Click to collapse
Thanks! Really gratifying to know that it's not just my device. Seems like there's a strong possibility this is the issue since I'm on a MVNO that's only been on this LTE network a few months. I've flipped the device into GSM only mode and we'll see if it helps.
Dumb question how do i flip it into gsm?
qylie said:
Dumb question how do i flip it into gsm?
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Click to collapse
Settings>More>Mobile Networks>Preferred Connection type> GSM only
Sent from my D5803 using XDA Free mobile app
Thanks!!!
I'm having the same issue as you have described. For now I've set the phone to 3G prefered. Looks instantly better. Signal strength is also better.
Provider: Simyo (KPN network) - The Netherlands
Edit - Issue solved:
I switched from the Lollipop Baltic ROM to the Lollipop KPN carrier ROM for The Netherlands. The switching is gone for me. Battery life drastically went up.
Any update on this? I just started experiencing this issue out of no where about 2 weeks ago. I'm not rooted or anything, can't afford to due to job security requirements and such.