Weird network speed - Mobile Connection - Nexus 5 Q&A, Help & Troubleshooting

Hi folks,
I eceived my phone today, and everything seemed to work great until I've tried to go to the internet via my mobile connection.
Everything is slow as hell, and incase you're wondering, nope, I'm not beeing throtled by my carrier.
No idea where it is coming from, but it's kind of enoying.
Any ideas? I'm trying to revert back to stock kernel, since I'm running franco, let's see if that help.

I realize that this might be kind of a stupid question, but did you check to make sure your APN settings were correct? I was having issues with LTE on AT&T here in the U.S. until I updated the APN to better match the expected settings.

MaxCarnage said:
I realize that this might be kind of a stupid question, but did you check to make sure your APN settings were correct? I was having issues with LTE on AT&T here in the U.S. until I updated the APN to better match the expected settings.
Click to expand...
Click to collapse
Well, since I had an Android phone, I never had to change my APN settings, but I might end up looking into it if it continues :/

Paradoxxx said:
Well, since I had an Android phone, I never had to change my APN settings, but I might end up looking into it if it continues :/
Click to expand...
Click to collapse
Wouldn't hurt to take a look. I've had to make minor tweaks to the APNs for AT&T on the Nexus 4 and now 5 that made noticeable changes to my connectivity. Hope you figure it out.

Well, it seems to be a general carrier issue, my Nexus 4 got the same issue aswell..

Related

Q: I don't have data anymore

So I recently bought the girlfriend a Samsung Galaxy S 4g. Definitely a bit different than the Evo in terms of the overall process. It didn't help that I started out in the Vibrant forums somehow...
Anyway. As it stands right now I have her phone all rooted and it has CWM and I'm using the Valhalla ROM. The issue is that she doesn't have data.... and when I go into wireless networks and check out the mobile networks and such, I can never actually see T-Mobile. If I search I can see AT&T, which I connect to and I start roaming. If I do this I still don't actually have internet. I can't use the market, or the web browser or facebook or anything that requires data. The browser will sometimes redirect me to some web2go website, otherwise it just times out or says it can't connect to the server.
So does anybody know what's going on? Please let me know if you need any more details.
I've never had trouble like this between my Evo, or my Epic 4g Touch or any friends phones. I've also tried going back to 100% stock unrooted GB and I still have the exact same problem. The ROM doesn't seem to matter, neither does being rooted.
Since you are running Valhalla bring down the notification bar and make sure you have the data toggle on.
Yep, it's definitely toggled to on. I even cycle airplane mode and make sure it's on afterwards.
Only other thing I would suggest is a factory reset. The phone should be picking up the T-mobile network without any problems. But if rooted or not and on stock vs custom rom the issue remains you may just have to set it back to stock and send it in for replacement.
And I know this is a silly question but make sure you call T-mobile and verify that this line has data plan. It has happened in the past when I added a line that it wasn't provisioned correctly and out of the blue the data stopped working. The service was automatically removed due to a reps mistake.
Check your APN settings. Should be T-Mobile's, if not then that's what causing the issue. Just look up for those on google.
Sent from my SGS4G using xda forum app
My APN settings are correct. I've now tried several other APN settings though, and this hasn't helped.
I know this phone is on a data plan. It's on the $50.00 a month prepaid. It did work when we got it, and after it was rooted. I just noticed recently that it stopped working, and I'm not sure at what point it happened, and if it has anything to do with what I've done.
I called tmobile and they said they couldn't see any network related issues going on. Just my phone not connecting, so it was made a ticket for the engineers I guess haha. They are supposed to work on it, and they usually will either fix it and never contact you, or call you if they need you to do something.
Bump.
I've been in really good service areas with full bars T-Mobile and I still don't have internet. So I really don't know what's up. The "T-Mobile engineers" haven't called me back or fixed anything yet.
I'm about to bring myself back to stock and bring it in to a store.
Bring it back to stock & maybe put it in recovery mode & wipe caches & do factory reset again. See if that helps before returning it.
Sent from my SGH-T959V using XDA App
You might try reflashing the ROM or maybe just flash a different modem. I had issues like that once when i was on black ice. If you had data before, there probably isn't anything wrong with your phone.
Sent from my SGH-T959V using XDA App
Having the same Data problem
I had an unlocked ATT BB Curve on T-Mobile and the data was working (although very slow...)
I decided to try out a "Vibrant" hoping to be able to install ICS via Cyanablahblah.
Searching on Ebay I bought one only it turned out to be the 4G (it didn't realize there was a difference.)
Since then I can't get DATA on the 4G except in WiFi.
On the network it goes to the page: u.web2go.com and says my data plan does not work on this device.
Has anybody had any success with this problem ?
Could it be a 4G issue ? Before DATA came from Edge.
Have you checked what your APN settings should be with the magics of Google?
Theraze said:
Have you checked what your APN settings should be with the magics of Google?
Click to expand...
Click to collapse
I have, I've tried 3 different versions with no joy.
Update:
As per T-Mobile Tech,
Apparently Blackberry Data service does not work on non BB phones.
Needs Add on Data plan
bogiewan said:
I have, I've tried 3 different versions with no joy.
Click to expand...
Click to collapse
tmob probably caught on that you're using a "4G" phone and will try to force you to upgrade your plan.
FBis251 said:
tmob probably caught on that you're using a "4G" phone and will try to force you to upgrade your plan.
Click to expand...
Click to collapse
Is there any way to fool it with a 3G modem flash or something ?
I think I screwed up when I bought the phone not realizing there were 2 variants of the "Vibrant."
I wonder if I would have this problem with the earlier (non "V") 3g phone.
Probably. If it were just the 3G/4G causing the problem, you can force the SGS4G to only use 2G networks in the data settings... but if it's anything like the old Verizon bits with tethering and other data, they check for specific data strings that are harder to fake... I mean, set.
bogiewan said:
Is there any way to fool it with a 3G modem flash or something ?
Click to expand...
Click to collapse
They use your IMEI to tell what phone it is.
http://www.gsma.com/technicalprojects/fraud-security/imei-database
the OP was in 2011, so I'm pretty sure he already got it taken care of
mike-y said:
the OP was in 2011, so I'm pretty sure he already got it taken care of
Click to expand...
Click to collapse
... so I should have started a new thread instead of searching ?
bogiewan said:
... so I should have started a new thread instead of searching ?
Click to expand...
Click to collapse
No you shouldn't have. :good:

[Q] LTE on CM10 tried everything

For some reason I cannot get LTE to work at all on CM10. I've done everything and it still wont work at all. I tried reverting back to stock rom, and when I did, LTE worked. So I thought if I went back to CM10 from stock it would resolve the issue, but it did not. I've checked my APNs and I cannot change the preferred network mode and i tried *#*#info#*#* and i can't change anything there to anything that has LTE on it. I'm not sure if it's just a problem with the ROM or what, but I've done plenty of researched, searched all the forums, and can't find anything that will fix.
Additional information:
Im in ATT
I've tried all the radios
and I AM in an LTE area.
nickd009 said:
For some reason I cannot get LTE to work at all on CM10. I've done everything and it still wont work at all. I tried reverting back to stock rom, and when I did, LTE worked. So I thought if I went back to CM10 from stock it would resolve the issue, but it did not. I've checked my APNs and I cannot change the preferred network mode and i tried *#*#info#*#* and i can't change anything there to anything that has LTE on it. I'm not sure if it's just a problem with the ROM or what, but I've done plenty of researched, searched all the forums, and can't find anything that will fix.
Additional information:
Im in ATT
I've tried all the radios
and I AM in an LTE area.
Click to expand...
Click to collapse
Just making sure, but you know the LTE icon doesn't exist in cm10 , right? LTE is indicated by the 4g icon
xcrazydx said:
Just making sure, but you know the LTE icon doesn't exist in cm10 , right? LTE is indicated by the 4g icon
Click to expand...
Click to collapse
Yeah, I only get HSPA+, HSPA, 3G
nickd009 said:
Yeah, I only get HSPA+, HSPA, 3G
Click to expand...
Click to collapse
Ok, try different apn. Which cm10 are you trying to use?
Does the problem happen on other ROMs? I'm not saying to use a different ROM, just saying that if it doesn't happen on, say, AOKP or Orthus (both CM-based), it's probably an issue with how CM10 is configured on your phone.
If you go into network operators (settings -network)and select att it will allow to change modes.
whassupmyninja said:
If you go into network operators (settings -network)and select att it will allow to change modes.
Click to expand...
Click to collapse
omg.. that was it all along. wtf, I feel so dumb now..
nickd009 said:
omg.. that was it all along. wtf, I feel so dumb now..
Click to expand...
Click to collapse
Haha yeah most of the time this setting is overlooked and this option enables you to turn off LTE if you want (which you don't have to have a RAT unlocked modem as presumed) and if you go to *#*#4636#*#* on your dialer you can have it set to LTE only as well.
UZ7 said:
Haha yeah most of the time this setting is overlooked and this option enables you to turn off LTE if you want (which you don't have to have a RAT unlocked modem as presumed) and if you go to *#*#4636#*#* on your dialer you can have it set to LTE only as well.
Click to expand...
Click to collapse
I actually have another problem now, after a reboot, it doesn't show any options for me to choose under available networks?
it came back after a few tries but then went away again, it's not consistently there to choose.
Does it show a searching animation?
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
I have the exact same issues. I've done everything on this post plus done all the research as well. For my problem whenever I enter an LTE area my data service completely drops for about 5 seconds and then when it connects it only shows HSPA+. I have never been able to pick up LTE. When I was on CM9.1 I had no issues at all. LTE connected with no issues. So is this a CM10 issue or a phone issue?
try this, might help, might not, make a backup, if you have more than one apn, remove all apn's except your lte apn(ATT Pta, for rogers :ltemobile), restart phone
edit: of course make sure it was set to the lte apn in the first place, if it was and still have probs, do above procedure if you have more than one apn
vincom said:
try this, make a backup, remove all apn's except your lte apn, restart phone
Click to expand...
Click to collapse
For some reason my APN was not set to the lte one (ATT Pta). I changed it to that. Hopefully that fixes my problem. Thanks for the help!
I have a slightly different problem. I am running the latest cm10 nightly and notice that any time I get lucky and go into a 4g coverage area I can only make phone calls. No data transfers at all. I have my APN set to ATT LTE pta which I assumed is the right selection. Im normally in a A3g(HSPA)~700-17 coverage area. Is this the wrong APN to use?
njbballjerzy5 said:
For some reason my APN was not set to the lte one (ATT Pta). I changed it to that. Hopefully that fixes my problem. Thanks for the help!
Click to expand...
Click to collapse
The APN change worked for me. This is the proof
njbballjerzy5 said:
The APN change worked for me. This is the proof
Click to expand...
Click to collapse
Do you automatically switch back and fort from 3 to 4g with that APN setting when you move around without losing data capability?
26.2man said:
Do you automatically switch back and fort from 3 to 4g with that APN setting when you move around without losing data capability?
Click to expand...
Click to collapse
Yup. I have HSPA/HSPA+ around my house but close to work I have LTE. No problem with switching or losing data connection when I go from HSPA to LTE. Just double check your APN settings. There might be a typo or some missing field. Or you can create a new APN for lte and use that as your default.
njbballjerzy5 said:
Yup. I have HSPA/HSPA+ around my house but close to work I have LTE. No problem with switching or losing data connection when I go from HSPA to LTE. Just double check your APN settings. There might be a typo or some missing field. Or you can create a new APN for lte and use that as your default.
Click to expand...
Click to collapse
Okay
Im a nooob. How do you create APN's ?
26.2man said:
Okay
Im a nooob. How do you create APN's ?
Click to expand...
Click to collapse
Try using Google search! It always helps me!
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
@26.2man, you've gotta have att provision you for lte at the store or whatever if you haven't done so already. Then it should work.
Sent from my HTC PH39100 using xda premium

Verizon 4G Handoff Fix

I was asked to also post this fix that I came up with in the general forum from the CleanROM thead, as it should help people having the same issue. The issue isn't actually related to that ROM but a broader M8 issue that I was unaware of and thought was specific to the ROM. It's been confirmed with multiple users having the issue that the fix below does indeed fix the random data issues that require a reboot/airplane mode toggle to resolve.
A fix for the 4G --> 3G, WiFi --> 4G, WiFi --> 3G, and 1X/3G --> 4G handoff issues that some people may be having is outlined below...
In a nutshell, we just need to change EVDO Rev A to "Enabled" instead of the 3rd "eHRPD" option in EPST.
Dial ##778 --> Edit Mode --> 000000 --> Modem Settings --> Rev A --> Enable --> Upper Right Corner Menu --> Commit Changes
Might cause a reset data connection with the transition due to a possible new IP or hamper simultaneous voice and data over 3G (which is possible), but it will allow the phone to establish a data connection on its own again and not get stuck on eHRPD 's random buggyness. Should transition back to 4G eventually as well
eHRPD basically for allows switching between LTE and EVDO systems seamlessly (no reset data connection from 4G --> 3G and back, slightly faster speeds, same IP, depends on tower...)
Changing this setting basically tells the modem in your phone to act more like a 3G phone when requesting 3G data access. Bypasses the hybrid-ness and just forces you on the legacy EVDO Rev A. network.
If the phone signal (4G is weak) at the time of the eHRPD transition, it can mess up. This change tells it to not bother with that and when the 4G signal isn't available just revert completely to 3G to register and not wait up for transition info. Makes it more cut and dry, and to be honest it does not really impact things. When the phone detects a 4G solid signal again it will switch back on all its own.
Same issue happened on the HTC Thunderbolt when Verizon was messing with things during initial 4G deployment. Only recent changes are the whole VoLTE ramp up, and that could be the cause of this recent crazyness.
To revert this change:
Dial ##778 --> Edit Mode --> 000000 --> Modem Settings --> Rev A --> eHRPD --> Upper Right Corner Menu --> Commit Changes
Thank you for sharing this! Very good find and positive feedback has been showing in response. Worth a try for everyone having these symptoms.
The dial code doesn't work on ARHD 10.2
justinglock40 said:
The dial code doesn't work on ARHD 10.2
Click to expand...
Click to collapse
Isn't Android Revolution HD is in the Generic HTC One M8 section?
Sadly, this only works with VZW based ROMs. Anything with parts taken from other bases, or a GPE ROM it may not work and the code for EPST might be different/EPST might not work and/or the option may not be there.
That code doesn't do anything on the Viper rom
justinglock40 said:
The dial code doesn't work on ARHD 10.2
Click to expand...
Click to collapse
mentallo said:
That code doesn't do anything on the Viper rom
Click to expand...
Click to collapse
Click to expand...
Click to collapse
Sounds like you guys need to flash CleanROM...
After making a Nandroid back up of your current system then do the edit and restore Nandroid if you want :angel:
But to answer the OP, yes. GSM ROMS will not have this option unless the Dev adds it in. Otherwise its a CDMA only function (I believe).
mentallo said:
That code doesn't do anything on the Viper rom
Click to expand...
Click to collapse
It works on my viperone 1.8, are you on the newer versions that you do not have the new verizon firmware for yet ?
This is great, I come from an HTC One S but also switched between that and a Galaxy Nexus so I could tell a difference in the way my signal acted and we have had signal issues with the HTC One S for quite some time now and it all seemed to stem from when we finally obtained s-off, seemed our One S was never the same, may have been placebo but I was worried it was happening all over again with our blessed M8 lol. The One S was not Verizon and may not be the same issue. I just tried this and it already seems better.Thanks very much. They still have not found a fix for the HTC One S
---------- Post added at 07:36 AM ---------- Previous post was at 07:30 AM ----------
I'm holding 2 M8's next to each other, one with the fix and one without, I am showing smooth 4g and she is showing a confused 3g lol.
LibertyMonger said:
This is great, I come from an HTC One S but also switched between that and a Galaxy Nexus so I could tell a difference in the way my signal acted and we have had signal issues with the HTC One S for quite some time now and it all seemed to stem from when we finally obtained s-off, seemed our One S was never the same, may have been placebo but I was worried it was happening all over again with our blessed M8 lol. The One S was not Verizon and may not be the same issue. I just tried this and it already seems better.Thanks very much. They still have not found a fix for the HTC One S
---------- Post added at 07:36 AM ---------- Previous post was at 07:30 AM ----------
I'm holding 2 M8's next to each other, one with the fix and one without, I am showing smooth 4g and she is showing a confused 3g lol.
Click to expand...
Click to collapse
The confused 3G one is with the fix or without?
Roefastford said:
It works on my viperone 1.8, are you on the newer versions that you do not have the new verizon firmware for yet ?
Click to expand...
Click to collapse
Yes I'm on the latest version of viper.
mentallo said:
Yes I'm on the latest version of viper.
Click to expand...
Click to collapse
If you go back to 1.8 then it will probably work for you, 1.8 was the last verizon that worked correctly for your verizon firmware. I was on the 2.3 but had too many wifi issues so I went back to 1.8, which is less wifi issues now with this fix I seem to not have any wifi issues so far so think its working for me. I"am not going to update viperone until the new verizon firmware is out in a zip to flash in recovery, because the wifi issues are not worth it to update now.
Any more successful difference's people have since doing this?
I was listening to a radio show streaming app today on Wi-Fi and the app kept stopping. every 10 minutes or so after trying this fix. It was the first time I listened to this app with this phone but listen to this app all the time with my other phones and never have this issue. It was consistently dropping Wi-Fi and 4g wasn't picking it up. I am running CleanRom with Harmon Kardon. I tried disabling Harmon Kardon to see if that may have been the issue since I am not accustomed to using it yet and it seemed to work better without it but still dropping signal. The signal icons seemed uneffected. I guess I am going to remove Harmon Kardon see if that makes a difference before I revert back from this fix.
I did this and my phone now reverts back to LTE and doesn't get stuck on 3G like it had been doing since day 1. I was getting tired of cycling into and out of airplane mode. Thanks for this advice/fix!
Is this the bug I experience where I have 4G signal, but am "offline"?
If so, that has been driving me nuts. I am on the stock ROM, S-OFF Rooted. Is this present with the off the shelf version?
Reporting back after 3 separate complete wipe/reflash/restores on my M8. Here is my status as of now:
Tuesday: Tried flashing stock recovery and did factory reset. (didn't fix the handoff issue)
Wednesday: Tried flashing RUU then returning back to CleanRom 1.4 (didn't fix the handoff issue)
Thursday: tried the EHRPD fix listed below. So far today NO handoff issues! I don't want to jump the gun, but this appears to have done the trick. I have gone from 1x to 3G to 4G with no issues so far.
krazie1 said:
Any more successful difference's people have since doing this?
Click to expand...
Click to collapse
If anyone is using the Verizon M8 with a GSM sim and can't access the USSD code ##778# then go into settings -> mobile data -> preferred network -> LTE/CDMA and try running the code again in the dialer. Dont forget to change the preferred network back to Global after applying the fix by the OP.
This has worked great for me. Thanks for posting. Was incredibly frustrating to have to fight with the phone every morning on my way to work to get it to connect to 4g. I had to toggle airplane mode, switch preferred networks and even reboot or some times do all of the above - lol. Thanks again.
Apparently this is a known issue and per Verizon, they're working with HTC to fix it. But I've also read that the problem could be cause by running xposed modules which seemed to be the case with me. I'm s-off running stock and was fine until I installed xposed.
LibertyMonger said:
I was listening to a radio show streaming app today on Wi-Fi and the app kept stopping. every 10 minutes or so after trying this fix. It was the first time I listened to this app with this phone but listen to this app all the time with my other phones and never have this issue. It was consistently dropping Wi-Fi and 4g wasn't picking it up. I am running CleanRom with Harmon Kardon. I tried disabling Harmon Kardon to see if that may have been the issue since I am not accustomed to using it yet and it seemed to work better without it but still dropping signal. The signal icons seemed uneffected. I guess I am going to remove Harmon Kardon see if that makes a difference before I revert back from this fix.
Click to expand...
Click to collapse
This fix does not impact Wi-Fi directly, just eHRPD for mobile data transitions. Sounds like the app is the problem. Have the same ROM with Harmon Larson installed - no issues.
DBordello said:
Is this the bug I experience where I have 4G signal, but am "offline"?
If so, that has been driving me nuts. I am on the stock ROM, S-OFF Rooted. Is this present with the off the shelf version?
Click to expand...
Click to collapse
Yup. Seems to be impacting certain phones regardless of ROM. I'd give it a shot and see if it helps. If not just change it back.
Big thanks to the OP. I've been dealing with the the eHRPD limbo since I got my phone in April. I live in a low 4g area and was experiencing text and mms problems big time. It was always happening when it was bouncing for 3g and 4g. When I would check the network details it would say eHRPD. I would constantly toggle airplane mode off and on and change network preferences to get it to work. Really annoying. Well I tried this last night and the signal is staying in 4g almost all the time and I have experienced no problems with messaging. I am running Viper 1.8 and had to kind of guess to find the edit button after entering the numbers in the dialer, for some reason the Edit button did not show up but it was there when tapped on it. After that it was easy. Thanks again for the help. I wish Verizon was as good.

Mobile networks drops out after android 7 upgrade

Note 5. Android 6 to 7 update. It said an update was available so I did it. My mobile network drops out. Can't text. If I make a phone call it comes back up. I have done a factory reset since the update to attempt to fix it. I did not have this issue until doing this upgrade. I do have the stock 6.0 ROM. I'm almost to the point of loading it back in if I can't fix this. Also my 4g LTE signal is good even when it says cannot find mobile networks.
Johnnyiroc said:
Note 5. Android 6 to 7 update. It said an update was available so I did it. My mobile network drops out. Can't text. If I make a phone call it comes back up. I have done a factory reset since the update to attempt to fix it. I did not have this issue until doing this upgrade. I do have the stock 6.0 ROM. I'm almost to the point of loading it back in if I can't fix this. Also my 4g LTE signal is good even when it says cannot find mobile networks.
Click to expand...
Click to collapse
Have you made sure your Network Settings are correct?
So you have APN settings? Have you verified they are set correctly?
I DO NOT PROVIDE HELP IN PERSONAL MESSAGE, I DO NOT TAKE REQUESTS IN PERSONAL MESSAGE, YOU WILL BE IGNORED. KEEP IT IN THE THREADS WHERE EVERYONE CAN SHARE
The APN can't be changed. It's shaded. I don't know how it could be wrong. I find it odd that placing a call makes everything work again.
Johnnyiroc said:
The APN can't be changed. It's shaded. I don't know how it could be wrong. I find it odd that placing a call makes everything work again.
Click to expand...
Click to collapse
Yeah, that's strange. You would probably have better luck looking around and also asking in the Note 5 forum for your device model.
Sent from my SM-S903VL using Tapatalk

*#*#4636#*#* What's yours say?

I noticed while messing with my wife's phone, when I go into that menu, and hit Device Info, by default her settings are DIFFERENT than mine. Whereas mine is TD-SCDMA/CDMA/UMTS, hers was set to just TD-SCDMA/UMTS. Is anyone else's different, straight from AT&T? I thought that was odd.
keithfrombm said:
I noticed while messing with my wife's phone, when I go into that menu, and hit Device Info, by default her settings are DIFFERENT than mine. Whereas mine is TD-SCDMA/CDMA/UMTS, hers was set to just TD-SCDMA/UMTS. Is anyone else's different, straight from AT&T? I thought that was odd.
Click to expand...
Click to collapse
Do you see any difference in service?
I have seen this as well, but I am not sure why thewy would be set differently and haven't been able to tell if one wokrs better than the other relative to connectivity or battery usage.
I usually leave mine set to LTE only. But since the Oreo update, coincidentally or not, I have seen BETTER service. Both roads to where I live are normally blackout zones. In my house, I normally have only 1 to 2 bars. Some the update, and a factory reset with no restoring of old settings, I've got 3 to 4 bars in my house and full service on one of the roads.
keithfrombm said:
I noticed while messing with my wife's phone, when I go into that menu, and hit Device Info, by default her settings are DIFFERENT than mine. Whereas mine is TD-SCDMA/CDMA/UMTS, hers was set to just TD-SCDMA/UMTS. Is anyone else's different, straight from AT&T? I thought that was odd.
Click to expand...
Click to collapse
Just checked - mine is TD-SCDMA/CDMA/UMTS just like yours! Never paid attention since I got the Note 8 so I can't say if it changed with the Oreo update or if it's been that way since I got it from AT&T last September!
keithfrombm said:
I noticed while messing with my wife's phone, when I go into that menu, and hit Device Info, by default her settings are DIFFERENT than mine. Whereas mine is TD-SCDMA/CDMA/UMTS, hers was set to just TD-SCDMA/UMTS. Is anyone else's different, straight from AT&T? I thought that was odd.
Click to expand...
Click to collapse
ShrekOpher said:
Do you see any difference in service?
I have seen this as well, but I am not sure why thewy would be set differently and haven't been able to tell if one wokrs better than the other relative to connectivity or battery usage.
Click to expand...
Click to collapse
keithfrombm said:
I usually leave mine set to LTE only. But since the Oreo update, coincidentally or not, I have seen BETTER service. Both roads to where I live are normally blackout zones. In my house, I normally have only 1 to 2 bars. Some the update, and a factory reset with no restoring of old settings, I've got 3 to 4 bars in my house and full service on one of the roads.
Click to expand...
Click to collapse
jimd1050 said:
Just checked - mine is TD-SCDMA/CDMA/UMTS just like yours! Never paid attention since I got the Note 8 so I can't say if it changed with the Oreo update or if it's been that way since I got it from AT&T last September!
Click to expand...
Click to collapse
My old Note 4 had something along the lines of LTE/WCDMA/GSM there, or you could swap it to LTE/WCDMA-only, or WCDMA-preferred.
New Note 8 w/ Oreo has a variety of extra options that now include the Chinese-originating TD-SCDMA format.
Mine is currently set on "LTE/CDMA/UMTS auto (PRL)" and it seems to keep LTE much more than any other setting.
Generally any other setting that includes "UMTS" would drop me to some seriously degraded "4G" knock that wouldn't even give me a Mb up or down w/ full service...it was really weird, but it was showing data being on HSDPA, and voice was something else...UMTS, maybe? Either way, it was terrible lol
Not sure why the default for Oreo seems to be one that includes the Chinese format, but I think my service is better and more stable since changing it. YMMV, but that's what I'm seeing.
Also can't find anything one way or the other on why Oreo defaults to what it defaults to on our phones...I guess that's some sort of side effect from having something like 6 radios in our phone lol the band count on this phone is ridiculous (it's at least one of the highest, if not the highest, that I've seen released stateside.)

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