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mikejeep

SignalCheck - Android app to monitor your 2G/3G/4G LTE signal strengths

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Mike, why does SCP indicate Wi-Fi calling, even though it's turned off in phone settings? I can't figure out whether this is a SCP glitch, or if Sprint somehow prioritizes Wi-Fi calling outside my control.

Bone stock Sprint HTC U1111ccfaef15ec0f4e19095cd13b9802f4.jpg

 

Sent from my HTC U11 using Tapatalk

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Mike, why does SCP indicate Wi-Fi calling, even though it's turned off in phone settings? I can't figure out whether this is a SCP glitch, or if Sprint somehow prioritizes Wi-Fi calling outside my control.

Bone stock Sprint HTC U11

 

That display has been changed in the current beta.. it is an issue I have been wrestling with. If connected to Wi-Fi, some devices are now reporting NETWORK_TYPE_IWLAN. Previously, I had identified this as occurring when Wi-Fi Calling was active--but other devices are now starting to report it where Wi-Fi Calling is not in play. SignalCheck will simply report it as "IWLAN" because that is what the OS is reporting. If you disconnect from Wi-Fi, it will change to a typical mobile connection type.

 

When looking into "IWLAN", the most common definition is interworking wireless LAN, which basically means data is routed from your device to your mobile provider's network over Wi-Fi. If anyone has more insight, feel free to share.

 

There is a new Android routine that I am looking into that might allow me to dig out something more useful than "IWLAN" but I am trying to finish up some other things first.

 

-Mike

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Mike, 

This may only effect Samsung phones, but I've noticed that when the notification bar is white, the SCP notification in the bar washes out. Is there any chance you could program the notification to switch to gray (or some other dark color) when the notification bar is white? The easiest way to see this is to open the phone app. It changes the top notification bar to white and you can no longer see the SCP signal level. Most other apps seem to switch their icon to gray so you can still see the icons up top, such as Google Play Music. 

 

If this has been brought up before, I apologize. I don't remember seeing it. 

 

Thanks again for your hard work.

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I've noticed over the last few weeks that scp is using a decent amount of battery, some days it's 1-2% don't know if it's a known issue but thought I would let you know. I'll take a screenshot the next time I see it happen, usually killing the process fixes it.

 

Sent from my SM-G955U using Tapatalk

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This may only effect Samsung phones, but I've noticed that when the notification bar is white, the SCP notification in the bar washes out. Is there any chance you could program the notification to switch to gray (or some other dark color) when the notification bar is white? The easiest way to see this is to open the phone app. It changes the top notification bar to white and you can no longer see the SCP signal level. Most other apps seem to switch their icon to gray so you can still see the icons up top, such as Google Play Music. 

 

Others have asked about this, but not sure if it was in a public forum or not. Developers have no control over icon colors, the OS is supposed to flip it light/dark based on the background.. do you have Nova Launcher or something similar installed? That seems to be what causes this issue.

 

 

I've noticed over the last few weeks that scp is using a decent amount of battery, some days it's 1-2% don't know if it's a known issue but thought I would let you know. I'll take a screenshot the next time I see it happen, usually killing the process fixes it.

 

I've had scattered reports over the years of perceived spikes in battery usage.. unless it's immediately after an app update (where I might have changed something), I really can't pinpoint a reason. As I have mentioned in the past, I think it might be more related to the lack of other apps using any battery during that time period, or an anomaly with the battery monitoring itself. Not trying to say that SignalCheck is infallible; just that those battery stats show the proportion of battery used by each app. If you only installed SCP and nothing else, you'd see even higher numbers, because it would be responsible for all of the non-system power usage. If you installed 1000 apps and used them all, SCP would probably only get a fractional percentage. Hope that makes sense.

 

-Mike

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I occasionally have issues with turning off logging or changing site notes when not intended.  If their was a confirmation prompt or a special setting to prevent this that would be great.  I know it occurs with others as well.   Thanks

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Others have asked about this, but not sure if it was in a public forum or not. Developers have no control over icon colors, the OS is supposed to flip it light/dark based on the background.. do you have Nova Launcher or something similar installed? That seems to be what causes this issue.

 

-Mike

This is in stock TouchWiz. It seems all other apps flip to a gray color except for SCP.

 

 

 

Sent from my Galaxy S8+ using Tapatalk

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I have an interesting issue with my OnePlus 5. I have dual SIMs one ATT and the other TMobile. Whenever I have attached set as the default data card, SCP works normally showing the signal in the notification bar and in the app, but when I switch to T-Mobile as the default card for data. LTE data never shows. I can send logs so you can see what's going on.

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I have an interesting issue with my OnePlus 5. I have dual SIMs one ATT and the other TMobile. Whenever I have attached set as the default data card, SCP works normally showing the signal in the notification bar and in the app, but when I switch to T-Mobile as the default card for data. LTE data never shows. I can send logs so you can see what's going on.

I woyld just send them. Then Mike can look at them, which is often late at night. Otherwise much time will be wasted.

 

Sent from my LG-LS997 using Tapatalk

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I have an interesting issue with my OnePlus 5. I have dual SIMs one ATT and the other TMobile. Whenever I have attached set as the default data card, SCP works normally showing the signal in the notification bar and in the app, but when I switch to T-Mobile as the default card for data. LTE data never shows. I can send logs so you can see what's going on.

Unfortunately you are not going to get data from the 2nd Sim, dual Sim phones don't work like that, I don't know why people keep thinking they do. Primary Sim phone and data, secondary Sim phone only.

 

Sent from my 2PQ93 using Tapatalk

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Unfortunately you are not going to get data from the 2nd Sim, dual Sim phones don't work like that, I don't know why people keep thinking they do. Primary Sim phone and data, secondary Sim phone only.

 

Sent from my 2PQ93 using Tapatalk

I can get the data from the second sim though. I forgot to add that when both sim cards are active I have to enable sim number 2 before I enable number one in order for SCP to report on it. If I try to switch after that, that's when I run into issues

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Hi Mikejeep,

 

Any way to show LTE CA in the status bar when it displays this?

uploadfromtaptalk1504036831216.jpg

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I have an interesting issue with my OnePlus 5. I have dual SIMs one ATT and the other TMobile. Whenever I have attached set as the default data card, SCP works normally showing the signal in the notification bar and in the app, but when I switch to T-Mobile as the default card for data. LTE data never shows. I can send logs so you can see what's going on.

 

I have yet to see a dual SIM device report any data to the Android OS from the second SIM. At the time of your diagnostic report, it looked like your T-Mobile SIM was active (the SIM PLMN was 310260), but it was not reporting any other data at that moment. The last information it captured appeared to be an AT&T connection on band 17 -- GCI 0112BF10, PCI 353, TAC 4633, EARFCN 5780. (Does that appear to be valid for AT&T in your area?)

 

 

Any way to show LTE CA in the status bar when it displays this?

 

Well that's cool.. how did you do that? I had to double-check my code to see what would cause that.. it's a 'hidden' network type that I noticed was added to the Android 7.0 source code; it is hidden from typical routines, and not mentioned in the Android reference. I added the constant just in case it was spotted in the wild. Have you seen it consistently? Does it usually show valid LTE data? Does it appear to trigger when CA is active? What device and Android version?

 

-Mike

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I have yet to see a dual SIM device report any data to the Android OS from the second SIM. At the time of your diagnostic report, it looked like your T-Mobile SIM was active (the SIM PLMN was 310260), but it was not reporting any other data at that moment. The last information it captured appeared to be an AT&T connection on band 17 -- GCI 0112BF10, PCI 353, TAC 4633, EARFCN 5780. (Does that appear to be valid for AT&T in your area?)

 

 

 

-Mike

yes that is correct. I am able to get SCP to show data from Sim 2 though. The only way is to turn sim 1 off then turn it back on and have sim 2 as primary data. I can send a diagnostics after that.

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This is in stock TouchWiz. It seems all other apps flip to a gray color except for SCP.

 

Hmm. The only thing I can think of is that TouchWiz is not properly handling layered icons (that's how SCP dynamically displays a network type and signal strength on one notification icon). If you change the icon to something else that only shows one piece of information (i.e. only the connection type), does the color adjust correctly?

 

-Mike

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Well that's cool.. how did you do that? I had to double-check my code to see what would cause that.. it's a 'hidden' network type that I noticed was added to the Android 7.0 source code; it is hidden from typical routines, and not mentioned in the Android reference. I added the constant just in case it was spotted in the wild. Have you seen it consistently? Does it usually show valid LTE data? Does it appear to trigger when CA is active? What device and Android version?

 

-Mike

This is on my Le Eco Pro3. Marshmallow 6.0.1 OS. I only recently noticed it because I just came back to this device. It definitely does show whenever CA is enabled. I just did a speed test to force CA and took a screen cap of my settings with the pulldown. Definitely an accurate reading on this device.

uploadfromtaptalk1504042251891.jpg

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This is on my Le Eco Pro3. Marshmallow 6.0.1 OS. I only recently noticed it because I just came back to this device. It definitely does show whenever CA is enabled. I just did a speed test to force CA and took a screen cap of my settings with the pulldown. Definitely an accurate reading on this device.

 

Interesting, that's the first report I've seen thanks!! Strange part is it didn't appear to be added to the Android base code until the Android N previews, but who knows. Can you send a diagnostic report too? The "LTE-CA" display was essentially a placeholder "if" it was ever spotted in the wild. Now that I know it might show up, I'll tweak it a bit to make it more useful. Still hoping to be able to catch CA in a manner that will let me identify 2xCA/3xCA/beyond, as well as more data about the additional carriers (which bands its using, etc).. but this is better than nothing!

 

-Mike

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Interesting, that's the first report I've seen thanks!! Strange part is it didn't appear to be added to the Android base code until the Android N previews, but who knows. Can you send a diagnostic report too? The "LTE-CA" display was essentially a placeholder "if" it was ever spotted in the wild. Now that I know it might show up, I'll tweak it a bit to make it more useful. Still hoping to be able to catch CA in a manner that will let me identify 2xCA/3xCA/beyond, as well as more data about the additional carriers (which bands its using, etc).. but this is better than nothing!

 

-Mike

Sure I can grab it tomorrow when I'm back in an LTE CA area. Where can I get it? Standard logcat?

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Sure I can grab it tomorrow when I'm back in an LTE CA area. Where can I get it? Standard logcat?

 

Nope, even easier.. within SCP, go to About > Send Diagnostics. Make sure you put in your username and a brief note on why you are sending it so it doesn't get lost in the pile. Once you put a name in, it is saved for future reports.

 

Thanks,

-Mike

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Nope, even easier.. within SCP, go to About > Send Diagnostics. Make sure you put in your username and a brief note on why you are sending it so it doesn't get lost in the pile. Once you put a name in, it is saved for future reports.

 

Thanks,

-Mike

Just sent it over.  Hopefully it helps out! 

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Just sent it over.  Hopefully it helps out! 

 

I got it, but you weren't on LTE-CA at the time, just plain ole' LTE. It might be tricky but you need to hit submit while you're still on LTE-CA. Don't worry about filling in a description, as long as your username is on there I'll be able to track it down.

 

EDIT: Your second try did the trick, thanks!

 

-Mike

Edited by mikejeep

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I got it, but you weren't on LTE-CA at the time, just plain ole' LTE. It might be tricky but you need to hit submit while you're still on LTE-CA. Don't worry about filling in a description, as long as your username is on there I'll be able to track it down.

 

-Mike

Aw dang I was doing a speedtest to force CA haha.  I'll start downloading a larger app and resubmit. 

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I am hoping that Tmobile will be more consistent with their B71 LTE deployment so that it can be tracked more easily on SignalCheck.

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FYI, DeX notification suppression works 100%, on the Note8 as well as the S8/+.

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A public update to SignalCheck Pro should be available within the hour -- grab it on Google Play! Mostly bugfixes, with a few new minor features; full details are below because I like changelogs. Still working on many other things, including a SignalCheck Lite update..
 
Resolved issue with CDMA BSL display failing on Android 8.0. (Pro)
The latitude and longitude of CDMA base stations are swapped in Android Oreo. SignalCheck will swap them if it detects Android 8. The bug report is here if you want to 'star' it to help mark it as a priority for the Android team.

Changed “Wi-Fi Calling” label to “IWLAN”.
If connected to Wi-Fi, some devices are now reporting NETWORK_TYPE_IWLAN. Previously, this was believed to indicate that Wi-Fi Calling was active--but other devices are now starting to report it where Wi-Fi Calling is not in play. SignalCheck will simply report it as "IWLAN" because that is what the OS is reporting. IWLAN stands for interworking wireless LAN, which basically means data is routed from your device to your mobile provider's network over Wi-Fi. If you disconnect from Wi-Fi, it will change to a typical mobile connection type.
 
Added option to limit notifications when Samsung DeX mode is active. (Pro)
SignalCheck causes constant notification popups when using DeX.. a new option has been added under Preferences > Display > Limit Notifications on DeX to automatically stop the notifications from updating when DeX is active.
 
Improved third-party (Tasker) intents; omitted Extras will no longer trigger changes. (Pro)
Previously, the LocationService, SiteLogger, and BackgroundService Extras all had to be sent; omitted Extras caused the processes to revert to their default. Now, you can send only the Extras you want to change, and the other(s) will be left as-is. Below is a reminder how the intents can be used:


Using Tasker or similar methods, users can now send intents to SignalCheck to toggle the three main processes that can run behind-the-scenes. Using a broadcast intent, you can toggle these by using the intent "com.blueline.signalcheck.SetServices" along with the following Extras:

  • LocationService:true (enables Location Service)
  • LocationService:false (disables Location Service)
  • SiteLogger:true (enables Site Logger)
  • SiteLogger:false (disables Site Logger)
  • BackgroundService:true (enables Location Service)
  • BackgroundService:false (disables Location Service)

 


 
Added provider name to LTE neighbor cells if PLMN is reported and does not match active connection. (Pro)
I have not seen it in the wild (and it might not happen), but if a device is able to report a neighbor cell with a different PLMN, it will display the provider name.
 
Added “Maximum” notification icon priority option. (Pro)
This option will force SignalCheck icons to the far left of the notification bar and the top of the notification shade (unless there is a visible notification for another app with Maximum priority, then the OS decides which takes precedent).

Added notification icons for Airave 1X connections. (Pro)
Added notification icons for IWLAN and TD-SCDMA networks. (Pro)

Changed main screen to display “Mobile” instead of “CDMA” when there is no mobile connection.
Resolved issue with LTE band 12 displaying 1 MHz too high.
Resolved issue with mobile IP address not displaying in certain situations. (Pro)
Resolved issue with Sprint Airave/800 indicators displaying improperly.

Resolved issue with status bar notification priority preference not working. (Pro)
Not much to elaborate on, these should be self-explanatory.
 
As always, thank you for your support!
 
-Mike

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    • By pyroscott
      Sprint Nextel revealed their second quarter 2012 corporate earnings in a conference call to their investors today and S4GRU was covering for news on Network Vision.
      Network thinning of the iDEN network is complete, taking 1/3 of Nextel towers off air. The Nextel network was built to support 20 million subscribers, but was only supporting 4.4 million subscribers, so it could easily be thinned without [much] noticeable change in street coverage. Sprint also converted 60% of the Nextel subscriber loss into their Sprint subscriber base. Interestingly, they stated that Verizon has been the biggest poacher of subscribers leaving Nextel, grabbing 50% of former subscribers in the last 4 1/2 years. In that same timeframe, Sprint has grabbed 25%, AT&T 20% and T-Mobile 5%.
       
       
      On the Network Vision topic:
      4 additional cities will launch, including Baltimore, by the end of August.*Edit* Cities were disclosed VIA press release following the conference call. They are:
      Baltimore, MD Gainesville, GA Manhattan/Junction City, KS Sherman-Denison, TX  
      Over 2,000 sites are currently online with 12,000 sites to be online by the end of the year
      Network Vision towers are seeing 10-20% additional voice minutes usage per tower, overnight after activating Network Vision. This will equal roaming savings for Sprint, and ESMR will only increase that savings.
      CEO Dan Hesse confirmed that Sprint will be releasing the Motorola Photon Q "in the very near future." It will be a QWERTY slider "with robust business and consumer features." It will also be sporting world phone capability.
      Several hundred Network Vision sites are waiting for backhaul, and will turn on when the backhaul is installed, several hundred more sites have birds nesting on them and Sprint won't be able to turn them on until the birds leave, according to the conference call.
      Sprint sold 1.5 million iPhones during the quarter, even though other carriers saw slowing of sales with rumors ramping up that the new iPhone would support LTE. 40% of the iPhone sales were to new customers. They also stated that iPhone customers require less customer support and are expected to churn less than customers on other phones.
      Mr. Hesse confirmed that Sprint is not looking to change plans in the near future.
      Things are looking up for Sprint. This quarter saw their highest ARPU and their lowest churn rate to date. They posted a larger loss than Q1, but beat their revenue goals for Q2. For more detailed financial information, check the source link below.
       
      Source: http://investors.spr...spx?iid=4057219
      http://finance.yahoo...-141200985.html -Thanks to S4GRU sponsor marioc21 for finding this link!
    • By lilotimz
      Ericsson RRUS31 B25 + RRUS11 B26
      These are the newest and greatest remote radio units to come from Ericsson. 

      The new Ericsson RRUS31  B25 should be fairly distinctive compared to the earlier RRUS11s and now the RRUS12s being deployed by ATT and Verizon. One of these new RRUS31s can do the job of two earlier RRUS11s thus reducing deployment costs for Sprint and complexity in deploying new sites and making it easier for users to spot as there are now 4 jumpers coming out of one RRUS31 rather than two from each RRUS11 that Ericsson originally deployed. 

      All future deployments will be utilizing the new Ericsson RRUS31s. In addition Ericsson are sending crews to their original deployments and swapping out older RRUS11s for these new RRUS31s due to the aforementioned fact that one RRUS31 can do the job of 2 RRUS11s. Weight savings will be significant at sites where there are 4 or 5 RRUS11 B25s that can be replaced by one or 2 RRUS31s. The Ericsson RRUS31 deployment project is known as the 65 Mhz Project. 

       

      Ericsson RRUS11 B26 top and RRUS31 B25 bottom

       

       
      Ericsson High Capacity / 4x4/2 MIMO Deployment
      Note the additional antenna + PCS radio.
      Previously Ericsson utilized additional PCS radios and used RF combiners for high capacity setups where they utilized three or more PCS radios. This new setup will utilize a completey new antenna + radio set just like Samsung and run 4x2 MIMO on the LTE antenna / radio set. 
       

       

       

       
      Ericsson RRUS11 B25 [EOL'd] and B26
      A standard Ericsson Network Vision 1.0 site with 3 RRUS11s where two are dedicated to PCS and one to SMR.  

      This type of setup is no longer deployed or utilized in new sites. Existing sites will be slowly converted to newer RRUS31 B25 via the Sprint 65 mhz project. 


       
      Ericsson NV high capacity site [EOL'd]
      3 or 4 PCS RRUs are present for a total of 4 or 5 RRUS11s per antenna. 


       

       

       
      Close up of Antennas
       

       
      Ericsson cabinets 
      (center)



      All credit to those who took the photographs. They know who they are!
       
  • Posts

    • Something else I forgot to mention, the V40 is enabled for calling plus on LTE and wifi, and it has been working very well so far. I usually keep it disabled for WiFi, since my WiFi is a bit weak in some parts of my house.
    • A little anecdotal note on radio performance. I am currently a location with known poor coverage. We have 3 new phones - iPhone XS, XS Max, and LG V40. The iPhones are having no trouble picking up a usable LTE signal inside, but the V40 only connects to 3G unless I go outside, and the data is barely usable. It is band 26 LTE (800MHz) based on Signal Check on the V40 when I go outside and pick up the LTE signal. Actually now that I think about it, the V40 is probably on 1xrtt inside, not 3G, because Signal Check is showing 800 for both CDMA and LTE.
    • I second the LG V30+. I've had mine for over a year now, and I'm very pleased with the RF performance. I too live in a somewhat rural area, and also travel quite a bit, and I haven't been disappointed at all. RF performance is high on my list of must-haves when shopping for a new phone. The V30+ also makes use of all the current network technologies offered by Sprint, as far as I know. I haven't been able to test out VoLTE yet (not live in my home area), but it's on the compatibility list. I haven't been shopping, but I have seen the V30+ offered at very good prices recently.
    • Yeah it is. East of Sacramento

      Sent from my Pixel 2 XL using Tapatalk

    • Is this in Cali? The T-Mo roaming is great news, but it would be nice to confirm that USCC roaming is still working on the Pixel devices.
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