Ever since the 12B update I consistently drop off 4g , when I do have 4g I only get two to three bars, and wifi connection also is weak when connected. Speed tests on both 4g and wifi are significantly slower than Before 12b update. Anyone else having similar issues?
I called vzw, rep stated it sounded like a hardware issue, which I am not saying isnt a possibility but the odds of both wifi and 4g antenna failing simultaneously after the update seems far fetched.
Any idea on a fix? Is it possible to flash JUST a previous baseband/modem/radio (call it what you want) without touching the software version of the os?
evocop said:
Ever since the 12B update I consistently drop off 4g , when I do have 4g I only get two to three bars, and wifi connection also is weak when connected. Speed tests on both 4g and wifi are significantly slower than Before 12b update. Anyone else having similar issues?
I called vzw, rep stated it sounded like a hardware issue, which I am not saying isnt a possibility but the odds of both wifi and 4g antenna failing simultaneously after the update seems far fetched.
Any idea on a fix? Is it possible to flash JUST a previous baseband/modem/radio (call it what you want) without touching the software version of the os?
Click to expand...
Click to collapse
I flashed 12B, 11C modem and then 12B again. Still good. Didn't see any significant differences.
evocop said:
Ever since the 12B update I consistently drop off 4g , when I do have 4g I only get two to three bars, and wifi connection also is weak when connected. Speed tests on both 4g and wifi are significantly slower than Before 12b update. Anyone else having similar issues?
I called vzw, rep stated it sounded like a hardware issue, which I am not saying isnt a possibility but the odds of both wifi and 4g antenna failing simultaneously after the update seems far fetched.
Any idea on a fix? Is it possible to flash JUST a previous baseband/modem/radio (call it what you want) without touching the software version of the os?
Click to expand...
Click to collapse
Yes, but you have to be rooted and twrp installed.
See the Reference thread in the general forum for the modem file and install instructions.
Sent from my G3, rockin Illusion
Thanks for the help. I flashed 11c modem and ran speed test . As you can see ,the tests on 29th were on 12b. The test on 30th is with 11c modem.img. All test ran in the same location. Hope this helps someone else. Thanks again
Lots of variables
evocop said:
... ran speed test . ...
Click to expand...
Click to collapse
I like Speedtest, but on the same device at the same location with no changes, I often get large variations in speeds only a few minutes apart. I'm not saying there isn't a problem (I haven't had a problem with mine on 12B), but results are hugely affected by the selected server and time of day. Try several servers to find the most consistent one in your area.
Related
So all of a sudden my TB's 3G started acting odd. It disappears (the 3G icon disappears) unless I'm checking for updates, in which case it randomly reappears and seems to be doing work. Toggling airplane mode on and off doesn't help nor does turning the phone on and off. I can still get texts and calls but no 3G...
Tried everything (going back to ROMs that were backed up from a few days ago) as well as flashing that full new ROM/radio update. Wasn't doing anything specific before it went out...
Any ideas?
solved!
solution: http://www.androidcentral.com/having-3g-problems-your-thunderbolt-fix-just-few-settings-away
swimminsurfer256 said:
solved!
solution: http://www.androidcentral.com/having-3g-problems-your-thunderbolt-fix-just-few-settings-away
Click to expand...
Click to collapse
I didn't find that this worked at all. Only since the new radio was installed have I found 3g drop because I know I am in a partial 4g area. So for the time being I don't want to turn of the ePHRD. Has anyone else experienced this since upgrading radio and such?
Spencer_Moore said:
I didn't find that this worked at all. Only since the new radio was installed have I found 3g drop because I know I am in a partial 4g area. So for the time being I don't want to turn of the ePHRD. Has anyone else experienced this since upgrading radio and such?
Click to expand...
Click to collapse
Well I did upgrade the radio and this fixed the problems I was having. Getting great speeds now. But I'm far away from any 4G areas :/
I am having all kinds of problems today with the 3g icon going on and off. Sometimes when its on I still do not have data connectivity. Is this a verizon problem or just the new radio?
I think it has to do with LTE being prepped to roll out and more intensive stress-tests that they may be planning.
I've been having similar issues. I did the entire rooting process then flashed BAMF 1.5 and had little radio issues, but once I saw the 3G cut out a couple times yesterday, I flashed the radio that was already on my SD card. Since then it randomly cuts in and out, and sometimes requires a full phone reboot to come back. I don't think it's Verizon at all (at least not in my case), although my area is supposed to get 4G sometime this year.
I'm hoping the official OTA has a "better" radio that can fix these issues...since I sort of had issues like this in Boston when I was stock, but at home out in Central MA, 3G was as solid as ever.
Just an update in case anyone was reading this older thread--I continued to have signal issues for a day or two after rooting but I think I just had bad timing on flashing the new radio. I've spoken to a few Verizon customers (my mom included) and many of them had 3G issues the last couple days. Yesterday it was solid as a rock, signal better than I'm used to. So it probably was just a Verizon outage, testing 4G or whatever it was that they've been doing.
It's Verizon outages right now, lots of testing upgrading going on with VZW right now.
I'm trying to decide whether to send my HOX+ back to HTC or not.
Since the 1.17.401.1 OTA update in December I've had assorted mobile signal problems see http://forum.xda-developers.com/showpost.php?p=36221014&postcount=88 which I was certain were s/w problems.
I can now drop the mobile signal (no bars with x) and any connected call every time just by starting the *#*#4636#*#* phone testing menu (if ithe test menu is already running the connection does not drop). This and the fact the signal frequently drops to 1 or 0 bars makes me wonder if there is a h/w fault.
Can anyone else with 1.17 s/w report if their connection drops when they start the test menu?
Any suggestions as to whether waiting for another OTA update or returning it would be the best bet? I've already done several factory resets & installed the RUU twice.
ercm03 said:
I'm trying to decide whether to send my HOX+ back to HTC or not.
Since the 1.17.401.1 OTA update in December I've had assorted mobile signal problems see http://forum.xda-developers.com/showpost.php?p=36221014&postcount=88 which I was certain were s/w problems.
I can now drop the mobile signal (no bars with x) and any connected call every time just by starting the *#*#4636#*#* phone testing menu (if ithe test menu is already running the connection does not drop). This and the fact the signal frequently drops to 1 or 0 bars makes me wonder if there is a h/w fault.
Can anyone else with 1.17 s/w report if their connection drops when they start the test menu?
Any suggestions as to whether waiting for another OTA update or returning it would be the best bet? I've already done several factory resets & installed the RUU twice.
Click to expand...
Click to collapse
I had intermittent issues like this. Never had permanent issues. Suffering from Wifi disable issue over here upon SIM insert.
I have a signal drop only when typing *#*#4636#*#* and click on phone info. For the rest everything works properly with the latest firmware
zdjaib said:
I have a signal drop only when typing *#*#4636#*#* and click on phone info. For the rest everything works properly with the latest firmware
Click to expand...
Click to collapse
You don't get any mobile signal changes when, for example, browsing over wifi?
The reason I've been looking at the test menu output is that I get a consistent signal drop from 3 bars (-91 dBm) down to 1 (-107 dBm) or 0 when using the browser over wifi. I'm not sure if it's the wifi traffic, increased cpu load from idle or something else but it shouldn't affect the mobile signal.
zdjaib said:
I have a signal drop only when typing *#*#4636#*#* and click on phone info. For the rest everything works properly with the latest firmware
Click to expand...
Click to collapse
I tried this and have the same effect.
ercm03 said:
You don't get any mobile signal changes when, for example, browsing over wifi?
The reason I've been looking at the test menu output is that I get a consistent signal drop from 3 bars (-91 dBm) down to 1 (-107 dBm) or 0 when using the browser over wifi. I'm not sure if it's the wifi traffic, increased cpu load from idle or something else but it shouldn't affect the mobile signal.
Click to expand...
Click to collapse
Didn't notice other major issues. e.g. in your other thread, you mention you have a signal drop after coming out of aeroplane mode and getting the 5 bars, I dont have that.
ercm03 said:
I'm trying to decide whether to send my HOX+ back to HTC or not.
Since the 1.17.401.1 OTA update in December I've had assorted mobile signal problems see http://forum.xda-developers.com/showpost.php?p=36221014&postcount=88 which I was certain were s/w problems
Click to expand...
Click to collapse
I have the same problem since this update - even exchanged my microsim today, no change.
HTC should release an update soon, otherwise back to iPhone it will be for me...
funtasto said:
I have the same problem since this update - even exchanged my microsim today, no change.
Click to expand...
Click to collapse
So are you seeing the signal drop when you browse over wifi?
I've tried various SIMs on different networks and still get the problem.
ercm03 said:
So are you seeing the signal drop when you browse over wifi?
I've tried various SIMs on different networks and still get the problem.
Click to expand...
Click to collapse
The radio goes totally off around 5 times a day - be it with or without wifi. I also contacted HTC about this and they suggested to wait for the next update (as probably this is a software issues, not hardware...).
funtasto said:
The radio goes totally off around 5 times a day - be it with or without wifi. I also contacted HTC about this and they suggested to wait for the next update (as probably this is a software issues, not hardware...).
Click to expand...
Click to collapse
I'm pretty sure it's software as the phone was fine before the OTA.
That almost sounds like an admission of a fault by HTC - I don't suppose they gave any timescale for an update?
funtasto said:
The radio goes totally off around 5 times a day - be it with or without wifi. I also contacted HTC about this and they suggested to wait for the next update (as probably this is a software issues, not hardware...).
Click to expand...
Click to collapse
I was experiencing the same thing. Hopefully this will be fixed in the next update. Did they happen to mention when?
Sent from my HTC One X+
nealkoy said:
I was experiencing the same thing. Hopefully this will be fixed in the next update. Did they happen to mention when?
Click to expand...
Click to collapse
I've just sent an email to HTC detailing my problem and asking when an update is due (I don't hold out much hope for a sensible reply but at least another issue is logged with them).
When you lose your signal does it show no bars, no bars with an X, or require a SIM PIN input?
ercm03 said:
I've just sent an email to HTC detailing my problem and asking when an update is due (I don't hold out much hope for a sensible reply but at least another issue is logged with them).
Click to expand...
Click to collapse
As expected from HTC:
"We are not aware of any future updates with regards to this issue.
I have not personally come across this issue before."
They did offer to install the latest software....
nealkoy said:
I was experiencing the same thing. Hopefully this will be fixed in the next update. Did they happen to mention when?
Sent from my HTC One X+
Click to expand...
Click to collapse
No date - the guy mentioned that as they have updates every 5-6 weeks, this could be quite soon. Let's hope so
Recently I have been experiencing, like many others, difficulty maintaining my 3g connection. It drops out at random times, sometimes staying off for 18 hours at a time regardless of reboots, flashing different roms, resetting my phones profile or reactivating my handset.
One thing I have noticed though, is the fact that my phone never goes to 1x. Ever. It's either 3g or nothing.
Do my questions. Is there a way to test the function of my 1x antenna if it is indeed separate from the 3g antenna?
If they are not separate, is there a way to reset it in some way?
I am currently running the latest radios from The good Capt. Throwback, my thought was to downgrade them and see if functionality returns.
Any ideas on how to proceed after that would be appreciated.
Mr. B.
ETA: running Jamie's latest PAC and have run PAC and RootBox almost exclusively. Stock kernel. No tweaks. Flashed latest radios about 30 days ago.
Mr.BungIe said:
Recently I have been experiencing, like many others, difficulty maintaining my 3g connection. It drops out at random times, sometimes staying off for 18 hours at a time regardless of reboots, flashing different roms, resetting my phones profile or reactivating my handset.
One thing I have noticed though, is the fact that my phone never goes to 1x. Ever. It's either 3g or nothing.
Do my questions. Is there a way to test the function of my 1x antenna if it is indeed separate from the 3g antenna?
If they are not separate, is there a way to reset it in some way?
I am currently running the latest radios from The good Capt. Throwback, my thought was to downgrade them and see if functionality returns.
Any ideas on how to proceed after that would be appreciated.
Mr. B.
ETA: running Jamie's latest PAC and have run PAC and RootBox almost exclusively. Stock kernel. No tweaks. Flashed latest radios about 30 days ago.
Click to expand...
Click to collapse
Try flashing a sense rom and update PRL and profile
Sent from my PoS MoPho
Mr.BungIe said:
Recently I have been experiencing, like many others, difficulty maintaining my 3g connection. It drops out at random times, sometimes staying off for 18 hours at a time regardless of reboots, flashing different roms, resetting my phones profile or reactivating my handset.
One thing I have noticed though, is the fact that my phone never goes to 1x. Ever. It's either 3g or nothing.
Do my questions. Is there a way to test the function of my 1x antenna if it is indeed separate from the 3g antenna?
If they are not separate, is there a way to reset it in some way?
I am currently running the latest radios from The good Capt. Throwback, my thought was to downgrade them and see if functionality returns.
Any ideas on how to proceed after that would be appreciated.
Mr. B.
ETA: running Jamie's latest PAC and have run PAC and RootBox almost exclusively. Stock kernel. No tweaks. Flashed latest radios about 30 days ago.
Click to expand...
Click to collapse
Jeezz...I had almost the exact same thing happen to me the other night...I had chalked it up to messing with a torrent app...but out of no where I lost my 3g connection, and it went to 1x...and the 1x would also cut out leaving me with nothing at all every 5 mins or so(the weird thing tho, is when the 1x connection would disappear I would lose the 3g symbol but in the network type it would list EvDo now...but I would not have any connection).
Naturally I was crappin my pants lol, I can't use the update profile feature on my phone, it's on Boost. So I went ahead and flashed the phone over again...Still the problem was there....So I did a factory data reset....still the problem was there....finally I went ahead and did the ##786# factory reset, flashed the phone again...Finally I was back on evdo like normal.
(BTW, my Evo LTE is now running 4.0.4 stock and there happened to be two of my friends here with their flashed to Boost Evo's, which were all running on EvDo with no issues...Plus I fired up my OG Evo 4g that is also on my Boost account and it was running on EvDo no problem whatsoever....so I knew this was some crazy issue with my Evo LTE)
I'm just glad the hard reset fixed it, I've been paranoid ever since though checking my network status, making sure I'm on EvDo lol.
Thanks for the responses. I've tried every reset I can find. Flashing the older radios didn't help either.
At this point, I'm just trying to figure out if the 1x radio is functioning. At least I wouldn't completely lose my data connection when the 3g drops out.
This happened to me when they were doing tower work in my area. Lasted a few days then I had 4g in areas I never did before.
Sent from my EVO using Tapatalk 2
I can only hope that's the case, Thick. It would be the best possible outcome.
By the way, thanks for the kernelly goodness.
It's the most likely cause, sprint has really been stepping up the rollout, in less than 2 months my lte coverage has practically tripled
could be eHRPD switching, I know deck got it all fixed up in the cm10 nightlies.....are you in a LTE area?
if not try setting mobile data to just CDMA and see if it sticks. I had that issue on the early cm10 builds where it would try and switch and just drop data completely.
om4 said:
It's the most likely cause, sprint has really been stepping up the rollout, in less than 2 months my lte coverage has practically tripled
Click to expand...
Click to collapse
My area in Jersey is on the short list for LTE activation in the short term, so there's a really good chance of this being the case.
kellyrx8 said:
could be eHRPD switching, I know deck got it all fixed up in the cm10 nightlies.....are you in a LTE area?
if not try setting mobile data to just CDMA and see if it sticks. I had that issue on the early cm10 builds where it would try and switch and just drop data completely.
Click to expand...
Click to collapse
My confusion comes from not having 1x coverage where I used to have it. Is that coverage dropped once LTE is activated? That would explain my issue.
I have read up on the eHRPD handoffs being an issue, but since I don't have LTE coverage at the moment I ignored that as a cause. I'll check out the newest Deck build and see if that helps anything.
Thanks for the help.
Hi
I wanted to buy this from gearbest.
Will it work on AT&T with all the LTE bands?
borisb said:
Hi
I wanted to buy this from gearbest.
Will it work on AT&T with all the LTE bands?
Click to expand...
Click to collapse
Yep... Using it on Cricket right now state side.
http://willmyphonework.net
borisb said:
Hi
I wanted to buy this from gearbest.
Will it work on AT&T with all the LTE bands?
Click to expand...
Click to collapse
I'd like to say "yes", but have found out the hard way that it depends on exactly which part of AT&T's network you intend to use it on.
I created a thread which I haven't yet updated, which outlines some issues I had. Turns out that my X820 as well as a different LeEco X82X (can't remember - same model ) do NOT work with AT&T in my area at all, and I live very close to the antennae. However, when I travel out of town, the phones work great. AT&T can't seem to figure out why this part of their network is different, but something certainly is. YMMV.
At the moment, there doesn't seem to be a large enough sample size in the US to compare notes and find possible network issues with this phone.
I have it, and it works for me in North Florida in AT&T
Sent from my SM-N910T using Tapatalk
I have more info on my issue with this phone on AT&T, and it's an odd one. LTE works great, but if I am directly under the antennae, or within line of site of them, 3G shows full bars, but it does not work and I cannot place or receive a call. If I walk a block away, and have a building between the phone and the antennae, 3G works perfectly. If I initiate a call where it works, I can move back to LOS, and call does not drop. No other phone seems to have this issue, so there is something very different in the 3G implementation in these phones which is responsible for this.
I wish someone out there had an idea as to what is causing this. One of AT&T's network engineers, who witnessed this first-hand, is stumped and I'm short on ideas to remedy it.
RandyT2 said:
I have more info on my issue with this phone on AT&T, and it's an odd one. LTE works great, but if I am directly under the antennae, or within line of site of them, 3G shows full bars, but it does not work and I cannot place or receive a call. If I walk a block away, and have a building between the phone and the antennae, 3G works perfectly. If I initiate a call where it works, I can move back to LOS, and call does not drop. No other phone seems to have this issue, so there is something very different in the 3G implementation in these phones which is responsible for this.
I wish someone out there had an idea as to what is causing this. One of AT&T's network engineers, who witnessed this first-hand, is stumped and I'm short on ideas to remedy it.
Click to expand...
Click to collapse
I got an x829 yesterday (live in the US) and plan on using it with Straight Talk/AT&T (getting the nano sim now). Have you flashed yours to a newer/custom ROM and it still works with AT&T? If so which ROM?
Wagmans said:
I got an x829 yesterday (live in the US) and plan on using it with Straight Talk/AT&T (getting the nano sim now). Have you flashed yours to a newer/custom ROM and it still works with AT&T? If so which ROM?
Click to expand...
Click to collapse
I have two of these phones, and both have the issue I described above. If I were to guess, it probably has something to do with initial 3G handshake timing.
One of the phones is running Madsurfer's 21s. It may have been a dirty flash over stock China ROM, but I seem to recall that one being a clean flash (wife's phone, so I don't mess with it much.) The other is Small EUI by aurel V7, dirty flashed over Rom V6-X820 of Bshuy2003.
I have observed no real differences with regard to the 3G connectivity issue between either phone, with any firmware. I'm thinking it is something at a lower level which is causing this odd issue.
I haven't received my max2 yet but I have read through allot of these posts and I remember reading about using the #*#* code to force LTE and it helped mobile connections. Also I saw that 19s CN or 17s India eui has VoLTE support. Lastly I noticed that the posted 23s beta cooked eui that Steve Mars posted has new modem files. You may try that as well. Hope that helps!
Shlickwilly said:
I haven't received my max2 yet but I have read through allot of these posts and I remember reading about using the #*#* code to force LTE and it helped mobile connections. Also I saw that 19s CN or 17s India eui has VoLTE support. Lastly I noticed that the posted 23s beta cooked eui that Steve Mars posted has new modem files. You may try that as well. Hope that helps!
Click to expand...
Click to collapse
Thanks for the info, but I think the issue runs pretty deep inside these phones. If I knew more about the hierarchy of the software/firmware, where network negotiations are concerned, I'd have a better idea where to look for a solution. But I can say that I have tried virtually every ROM and modem file available, and this odd behavior persists. It's possible that it's specific to my home site, but according to the engineer, AT&T's sites are pretty standardized. The fact that other phones don't exhibit it, tends to point to something deep inside the Max2 as being the culprit. It's an insidious problem, as one might not realize that there was an issue, unless one happens to be close to a tower, trying to unsuccessfully make or receive a call, with full bars showing.
IIRC, the iPhone also had some strange issues on the AT&T network in the early days, and it took some concerted effort between AT&T and Apple to get it sorted out. The chances of of something like that happening to solve issues with these phones is probably next to nil.
Randy do you have LTE on your account? Could it be the eNode trying to promote you onto a better link and the baseband failing that negotiation?
Scratchling said:
Randy do you have LTE on your account? Could it be the eNode trying to promote you onto a better link and the baseband failing that negotiation?
Click to expand...
Click to collapse
I do have LTE on my account. The phone is connected, by default, to LTE, and falls back to WCDMA when making a call as it should. I have monitored signal strengths throughout the process, and they are very high, due to to my proximity to the tower. Locking the phone to WCDMA makes no difference.
When the phone doesn't have line-of-sight to the tower, and/or that LOS is significantly obscured, the UMTS signal goes below -60dba and the phone works perfectly. Thinking the signal strength was the key, the output of the tower was artificially reduced to below that level, as a troubleshooting test. It still did not allow the phones to work on WCDMA to make calls, even though it still showed a 3G connection with full bars. I'm not a telcom engineer, but it really seems like a timing problem, where the reflected signals work, but signals received directly from the transmitter do not. Again, the problem exists only at the point where the 3G link is initiated, either by the handset or the tower. Once a call is established, that session works fine, no matter the proximity to the tower thereafter. But once moved into the areas of LOS to the tower with an active call session and I end the call, the phone can no longer make or receive calls in those areas.
Short answer: sorta
borisb said:
Hi
I wanted to buy this from gearbest.
Will it work on AT&T with all the LTE bands?
Click to expand...
Click to collapse
Alright so I have been using this phone for about 6 months and it kinda sorta does. I am using the x820 one btw. I get about 80% up time with this phone. I can't really make or receive calls without the phone dropping them within the 1st minute. Let me explain further. So firstly, when I am on LTE (if not on 4G (I'll explain later)), and try and make a call, I will usually get switched over to 4G and then as the call is attempting it will completely lose service and say I can't complete the call. Then after that attempt, I will usually get my service back. And it will keep doing that unless I get lucky then if I actually can make a call then I will be lucky if I get a full minute or 2 before the call drops because of loss of service. Now for the later explanation. So basically I have noticed just because I am supposed to get LTE doesn't mean you will get the service. Also you will drop service a bunch and it gets very aggravating! I have verified my results in FL, GA, and TN.
I'm using the Nokia 7.1 in the USA with T-Mobile. Things had been working great until the OTA update to version 9 happened a few days ago.
Now, the phone is extremely picky about its cellular connection. I'll have almost full bars in my house, and then nothing as I walk around. At work, I had no service until I walked a half-mile to the T-Mobile store - then I had a good signal.
Experimenting with the basic mobile/wifi settings hasn't helped (enhanced 4G - LTE, Auto wifi connection, etc).
Is anyone else experiencing this? Does anyone have a solution?
Thanks!
Not that I have experience. I have TMO as well and signal both indoors and outside seem normal. Granted, I got the phone and immediately updated to pie so I don't have a reference before updating to pie. Did you try a network reset to see if that corrects your issue?
alc2077 said:
Not that I have experience. I have TMO as well and signal both indoors and outside seem normal. Granted, I got the phone and immediately updated to pie so I don't have a reference before updating to pie. Did you try a network reset to see if that corrects your issue?
Click to expand...
Click to collapse
Thanks for the suggestion! I tried it and tested today... It doesn't seem to have helped.
--- ignore ---
APN details....
Here are my APN details (sorry - I can't use http links yet).
My APN settings seem to differ from others that are using T-Mobile on 4G in the USA. But, I had no luck with setting things to match what I see here: support.t-mobile.com/docs/DOC-28990
imgur.com/a/ZsLfajQ
While I was capturing these, the signal went in and out. And, I'm within 30 feet of a 4G signal booster that I received today from T-Mobile.
I'll have to try resetting the phone and ignoring the Pie update if I can't get this fixed.
a9hater said:
Here are my APN details (sorry - I can't use http links yet).
My APN settings seem to differ from others that are using T-Mobile on 4G in the USA. But, I had no luck with setting things to match what I see here: support.t-mobile.com/docs/DOC-28990
imgur.com/a/ZsLfajQ
While I was capturing these, the signal went in and out. And, I'm within 30 feet of a 4G signal booster that I received today from T-Mobile.
I'll have to try resetting the phone and ignoring the Pie update if I can't get this fixed.
Click to expand...
Click to collapse
How old is your sim from TMobile? Maybe a new one might help.
blushrts said:
How old is your sim from TMobile? Maybe a new one might help.
Click to expand...
Click to collapse
It's a brand new SIM (picked it up when I got the phone). Also, the problem seems very reproducible (where I lose connectivity) so I don't think the SIM is loose or has a bad connection.
But, the phone refuses to join the TMobile network (and won't even roam). Oddly, I'll often see the 'emergency calls only' message.
Things seemed to be working fine with Oreo, and then got bad with Pie.
If I do a factory reset, I'll just get a clean Pie installation now (as I understand).
Is there a [easy] way to reset and downgrade to how it shipped?