Mobile hotspot downgrade firmware/software - General Questions and Answers

Okay, so first of all, I'm not sure if this is the right forum. But this applies to a couple of forums.
For a while I used this little trick for activating my mobile hotspot on att g955u (the s8+) using the "connect to a faulty wifi and turn on mobile hotspot" and I would always ignore updating my phone from the OTA because I didn't want anything to change from the original stock bought phone. But a few days ago my phone decided to turn off and update itself. So I turned on dev options and the auto update was on. Turned it off problem solved. So I thought. At the time the mobile hotspot hadn't been affected but I woke up today turned my phone on and it automatically started updating again. But this time it had updated and changed something in my phone that has affected my ability to turn on my hotspot. And I've gone through and tried to figure out which service is affecting it but I can't seem to find anything new. And basically my question is, is there any way to get my phone back to the way it was when i originally bought it? Firmware, security, and everything that could have been changed with those two updates. Or is there another way to find out which services affect my hotspot so I can disable/enable accordingly. I used my mobile hotspot to play multiplayer on my ps4. Kind of pissed me off that my phone updates itself without consent.

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[Q] Rooting/updating concern

So I just got back from replacing my phone because of two issues. 1. My own stupidity 2. Mobile internet stopped working
I thought the phone stopped seeing my SIM card but I had it in the wrong way(stupidity), solved that now... The mobile internet, using internet with my phones provider, stopped working. I hadn't tested/used it before I rooted/updated to cyanogen so I can't say if it worked before that. But I just got it replaced and the mobile internet works now.
Before I had returned it I downgraded and did an OTA update and the mobile internet still didn't work, and yes I checked if the mobile data option was on and it was. So I'm wondering if for some reason would me rooting and updating my phone cause it to no longer work with mobile data, or was my phone just faulty when I first got it?
Phones an HTC Legend if that matters any
Going to root/update my phone later today, anything I can do to backup all my data so I can revert back to this state in the event I lose my mobile data again?
Update;
Well now everything seems fine.. I had reflashed several times before but that didn't fix anything. Seems like something was wrong with the phone.
Update 2;
After messing around even further... It turns out that the phone was just missing APN settings with I backed up before I did everything, now whether or not I call my mobile provider and ask why I'm using another providers APN...

Nexus 5 WiFi Crashing Phone

Hi all. I have a weird issue that after Googling it doesn't seem anyone else has had.
The issue started earlier today, in the morning. I was using my phone on the WiFi and it was working phone, then my phone crashed, restarted itself.
I noticed it wasn't connected to the WiFi, went to the WiFi settings and where it usually says the list of networks it said "Turning on WiFi" and the slider at the top was greyed out so I couldn't turn it off.
I tried airplane mode and that didn't help. But the phone was working fine on my mobile data so restarted.
Now the weirder part starts. I basically have an issue where, if I turn on the WiFi, my phone crashes, or doesn't act like it's turning the WiFi on.
Even going Settings and then pressing on the WiFi option freezes the phone.
The problem started when I was still using 4.4.4 however since the problem developed I've used my mobile data to download the updates and now have 5.1.1 I think.
The problem persists even after updating to the most recent version and doing a factory restore. The phone is currently completely stock with nothing downloaded on to it. All I did is go through the first time setup for the device.
The WiFi currently is off, and the phone is working however it won't connect to my data, it has the signal bars and then an ! instead of a 4G icon.
If I try to turn the WiFi on it crashes the phone.
The phone is still under warranty so I plan on contacting LG on Monday however it's currently 3:34 AM on a Sunday so I have a day until I can call them and was hoping for a solution in that time.
Thanks in advance. I have the phone to hand so anything you want me to test I'm able to.
There is some information I didn't type as I don't know what is important was trying to avoid a wall of text so if you have any more questions I'll answer I best I can.
Thanks for reading, I hope you can help!

Help with wifi bug and hotspot woes

I have a sprint galaxy S6 that I rooted years ago with the pingpong root. So its on the stock rom and never updated passed 5.0.2 I believe. I haven't done much with the root except enjoy the use of the hotspot that sprint tries so hard to deny users. However lately I've been having problems. The build in hotspot no longer works, and I suspect its some stealth update from sprint. It'll turn in without issues, but then I'll watch my mobile data disappear. The 4G blinks off, then it tries 3g, then nothing, then 4g, 3g, nothing, etc... Turn the hotspot off and everything returns to normal.
Fine. I'll download "Wifi Tether Router" and use that. However, every 5-15 mins my laptop loses connection and the hotspot won't show up in the list of networks despite it still running. What I suspect happening is my wifi is quickly turning on and off, disrupting the hotspot. Now, after getting the phone and going through all the settings, I turned off connection optimizer and unchecked the allow scanning. However every once in awhile while using the phone, if I happened to have the drop down menu down.. I'd notice the wifi quickly cycle on then off. It never affected anything I did so I left it be. Now when using the tether app, I rechecked all my settings, even turning off "keep wifi on while asleep" and checked the dev settings to make sure the wifi scanning/roaming was off. I am completely lost. Are there any settings I'm missing? Is there anything I can do with root to stop wifi from turning itself on without user interaction?
Or, is there any way to fix my built in hotspot? I have a new laptop and now have more use for this function.
Thanks guys.
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Unable to activate Wifi calling on rooted carrier unlocked Pixel 2 on Verizon Network

Hello,
I have a carrier unlocked Pixel 2 walleye that is rooted (magisk, no custom recovery) and on Verizon
android version 8.1.0
build #OPM1.171019.021
when I try to activate wifi calling, i get the spinning circle for a long time, and then it finally says "unable to activate wi-fi calling. please try again later"
I have HD voice activated on my verizon wireless account.
I tried the VoEnabler module in Magisk
Wifi calling is turned on in the phone info screen (*#*#4636#*#*)
The only thing i guess i haven't tried is installing a Verizon ROM instead of the stock Google ROM.
Before I went that route, I wanted to check here and see if anyone else was able to get it to work for them.
Thanks in advance.
ok so i had this issue twice on the same phone and i am rooted as well. i think the only way to get it to work is to disable root, activate wifi calling, then reactivate root.
I have enabled this feature while rooted on 2 different PIxel 2's.
This sounds silly but turn off wifi and try to activate it. I've been unable to input my address during the activation process multiple times unless I am on cellular.
thanks for the suggestions everyone. with wifi turned off, it still won't work. I'll try the unroot path next time there is a new system update. It's not a critical need at the moment, but it is rather annoying that i can't activate it.
Schedonnardus said:
thanks for the suggestions everyone. with wifi turned off, it still won't work. I'll try the unroot path next time there is a new system update. It's not a critical need at the moment, but it is rather annoying that i can't activate it.
Click to expand...
Click to collapse
I don't think your problem is related to root unless it's a Magisk module of some kind that's the problem. I'm on Verizon, rooted with Magisk. I haven't had wireless calling turned on but after seeing your post I thought I'd check and see if it works on mine. It connected without any problems for me.
Did you ever figure this out?
Schedonnardus said:
thanks for the suggestions everyone. with wifi turned off, it still won't work. I'll try the unroot path next time there is a new system update. It's not a critical need at the moment, but it is rather annoying that i can't activate it.
Click to expand...
Click to collapse
I'm having a similar issue, except that I can enable wifi calling but always get the "Turn off airplane mode or connect to a wireless network" message when attempting to place a wifi call. Everything with regard to wifi calling is set up correctly. I thought I had this narrowed down to Oreo version and patch level, but I honestly can't come up with a repeatable scenario that breaks it. About all I can say for sure is it seems like when I flash back to bone stock, OPM1.171019.021, wifi calling works as expected. However, it seems to break after a while, even without applying any updates. My gut says it's related to root, but I've also seen it work with root. I also have a suspicion it has something to do with the type of authentication on the wifi network, as the first time I ever saw wifi calling work was when I connected to an open SSID. The problem is, right after that, it worked fine on a WPA2 network on which it never worked before. This is on Verizon with a Pixel 2 from the Google Store. I have a hard time believing it's a Verizon issue, though. It's more like the phone does a check for wifi connectivity and returns "false" for some reason.
*** I should add all my testing has been done by turning on airplane mode (thus disabling LTE/3G) and then enabling wifi. My office at work has horrendous cell coverage, but I haven't gotten it down to zero bars without airplane mode to see if it works then.

Issues with Verizon V50

Folks,
I have been having some very annoying issues with my LG V50 and was wondering if anyone else has.
I have been having issues getting Hot Spot to work. It has only worked for a very brief time since I got the phone. It is working now though. I get an error about Tethering Functionality not working right now and to try again later.
I called Verizon and 1st level was unable to diagnose it and they opened a ticket. This was 4 days ago and Verizon has not contacted me.
I also had another issue which I've now discovered is related to my Hot Spot issue. So, I use an app called TuneIn Radio Pro. That app keeps thinking that I don't have network connectivity. (On cellular....on wifi it works). I've since discovered that when my Hot Spot works, that app works. When hot spot doesn't work that app also doesn't. I run speedtests and it connects. I seemingly have internet connectivity but interestingly I also cannot access tunein's web page from Chrome. But I can get to other sites. Seemed like a DNS issue but since it is working now, (and I have time) I can't test it.
Again, right now, Hot Spot is working. It has only worked for the last 4 hours and part of one other day since I got the phone 6 days ago.
Another issue (which I am hoping is a setting)....Voice input does not work when connected to bluetooth. So "OK Google" or voice input (Google) via the keyboard does not work.
Any thoughts?
I just tried setting up a hotspot and it seems there are quite a few more options than I had on my V30. I did get it to work once I chose to "unhide my phone" under the setup options. There's also a timeout due to inactivity, share wifi instead of mobile data, and the ability to block connections. I guess it's possible one of these could be giving you an problem. I would think if you have the share wifi selected but you're not connected to wifi that might create a problem...just guessing
I don't use Tune-in so can't really help with that specifically but I've had no issues streaming with other apps.
As for voice commands, I can't bring myself to talk to my devices and I have as much of it turned off as possible.
troysbama1 said:
I just tried setting up a hotspot and it seems there are quite a few more options than I had on my V30. I did get it to work once I chose to "unhide my phone" under the setup options. There's also a timeout due to inactivity, share wifi instead of mobile data, and the ability to block connections. I guess it's possible one of these could be giving you an problem. I would think if you have the share wifi selected but you're not connected to wifi that might create a problem...just guessing
I don't use Tune-in so can't really help with that specifically but I've had no issues streaming with other apps.
As for voice commands, I can't bring myself to talk to my devices and I have as much of it turned off as possible.
Click to expand...
Click to collapse
So this issue has still been going on. My hotspot will work for a day or two and then it goes back to this error condition. But now I have been going on 4+ straight days where it hasn't been working. So, I have stumbled across a situation where I can get hotspot to work.
I have OpenVPN app on my phone. If I open a VPN session (I have 2 connections to my home routers), I can then get the hotspot to start. Interestingly, hotspot traffic is not going over the VPN. I can even turn off the VPN and the hotspot stays on. But I cannot restart it unless I turn on the VPN.
This issue isn't being caused by any software on my phone. As when I first got the phone and this issue came up, I performed a factory reset and when the phone started up for the 1st time, I immediately tried the hotspot and I got the error.
I also called Verizon today to find out what was going on with my ticket from 2 weeks ago. It was escalated and then closed by the network team with no explanation. Sigh....So they re-opened it. The tech on the phone also called LG while working with me and LG told her that they've seen this issue, but no additional info.
Has anyone with a Verizon V50 been able to consistently use the Hotspot without issues? I am having so many problems with this phone that I am ready to throw it out the window. In addition to the issues I stated earlier, I also found this morning that I was not able to get to eBay (In addition to TuneIn.com). I had to switch to wi-fi and then eBay loaded just fine. Since then, eBay seems to work. IMO, this is a network problem
Over the last 2 weeks, my Hotspot worked from Friday to mid day Sunday. (maybe coincidence) And therefore tunein.com worked. Other than that, I get the error.
Verizon had been completely worthless. They closed my first trouble ticket. My second ticket has been open for 3 weeks without progress. I called today and they put me on with Level 2. I had to run to a meeting after a while, the Level 2 person said no problem tell me when to call you back. I told him 2 hours and he said no problem.....and no call.
I am just curious if others are using Hotspot successfully.
Thanks,
Update to my previous post....I haven't been able to launch the hotspot functionality since yesterday morning. I get the message of "An error occured when activating this functionality. Please try again later."
I may try a factory reset to see if that changes anything...
Decided to factory reset. That didn't change anything. Without installing anything after it was done I tried to create a hotspot and got the same error message.
troysbama1 said:
Update to my previous post....I haven't been able to launch the hotspot functionality since yesterday morning. I get the message of "An error occured when activating this functionality. Please try again later."
I may try a factory reset to see if that changes anything...
Decided to factory reset. That didn't change anything. Without installing anything after it was done I tried to create a hotspot and got the same error message.
Click to expand...
Click to collapse
THANKS!!! Exactly the message I've been getting.
Verizon has not been helpful until now. They've pretty much ignored me and closed my tickets.
Hopefully I get further along. I got a better tech support person this time. He escalated it to the network engineering team. This is a network problem as if I start a VPN session (using OpenVPN Connect), I am able to launch the hotspot.
The hotspot is a symptom, not the cause. I am just curious if you have the same exact problem as me, when you are not able to launch the hotspot, bring up a browser and try to go to tunein.com (through Verizon's network, not over wi-fi). Mine won't work. When the hotspot is working, I am able to get to tunein.com
Yep, exactly the same issue. The tunein link and the Connect Garmin app give me the same error. After I sign in to Garmin on wifi it will work as normal but definitely indicates some type of network issue.
troysbama1 said:
Yep, exactly the same issue. The tunein link and the Connect Garmin app give me the same error. After I sign in to Garmin on wifi it will work as normal but definitely indicates some type of network issue.
Click to expand...
Click to collapse
I just got an update pushed. System Update 2 V450VM10f.
After the update, the Hotspot seems to work. I am also able to navigate to those URLs where I couldn't get to previously.
dinotheo said:
I just got an update pushed. System Update 2 V450VM10f.
After the update, the Hotspot seems to work. I am also able to navigate to those URLs where I couldn't get to previously.
Click to expand...
Click to collapse
Thanks for the heads up. I did notice the same update this morning and so far so good.
troysbama1 said:
Thanks for the heads up. I did notice the same update this morning and so far so good.
Click to expand...
Click to collapse
While I am now able to launch the Hotspot, that feature is not very reliable. It stays up and "running" but my laptop will stop working after some period. Usually I get about 5-20 minutes of usage. If I disconnect my laptop and re-connect, it starts to work. (But a pain as I VPN in to work and I have to start that all over)
This phone has been a an exercise in frustration.

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