[VS985] cant make calls - G3 Q&A, Help & Troubleshooting

I have the Verizon LG G3 variant and as of the last month my calls have been very intermittent. Text and Data (LTE) all work perfectly but I can not make calls nor receive them, though it will work randomly at times. I'm running JazmineROM 7 and have tried reflashing, going to stock, and other roms. Its interesting to note that I sent this phone in a while back to LG and have used it fine for a while, but when I noticed the call problem I visited my Verizon store and it appeared in their system as a non-Verizon phone, however they have since added this phones IMEI to their system and it appears normally as a vs985. I tried replacing the SIM card, which sort of fixed it because before this sending or receiving an mms would cause calls and texts to not work but now texts work fine. Another interesting thing is that my 1x is always 1 bar as you can see in the attatchment provided. Any help would be appreciated, thanks.

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[Q] SIM card broke my two phones (can only make calls while just 2g is enabled)

Hi, I recently started having trouble with my gf's phone (Nexus 4 running lollipop 5.0, lte enabled, tmo). It started shortly after I enabled a SIM lock pin on the sim, but not sure if that's the cause or not... The phone started to intermittently drop signal, and would not make calls (it would just appear to be dialing, but you'd hear no ringing and never connect). When I'd restart the phone, I could usually make a call. I tried to fix it by restoring everything the stock image, rechecking the apn, making sure stock radio was installed, etc, but the problem persisted and eventually got to the point that voice calls did not work at all. LTE and data worked to get onto the internet, but once a call was attempted to be made, it'd lose all signal. I discovered eventually that if I switched off lte/4g/3g, and only kept gsm 2g on, I could make a voice call. Next I tried her SIM card in my phone (Note 2 on Android 4.4, t-mobile) and as soon as I put her sim in, my phone started doing the same thing. After switching back to my SIM (that was working just fine, before), now MY phone is stuck with the same problem! (Can only make calls with just 2g enabled). I'm at a total loss. Has anyone experienced anything similar, or do you have possible solutions/ideas on how to fix this?
Solved
For anyone who may be having the same problem, here is how I solved it. I picked up a new sim card from t-mobile, flashed a stock rom via odin (with the sim card not installed), loaded rom, and installed sim, loaded correct apn. Everything works as it should now.
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What Brand was her SIM?

can't make or place calls, but SMS and data is fine

Hi all,
My problem is that my Galaxy S3 (i747M) cannot make or receive phone calls*, but I can send or receive most SMS**, and my LTE data is fine***. I've tested to ensure it's not my account with Rogers, or my SIM card. I took my SIM card and put it in two other phones, and both worked just fine (one Rogers, one Telus). Putting their SIMs into my phone and the same problem as with my own SIM in my phone. I have unlocked my S3 using the 4.2 trick, but I didn't have this problem back then. I'm assuming this isn't causing me issues now.
I used asterisks because each of the above has some additional details:
* I cannot reliably make and receive phone calls. For example, I can try calling the same phone number (home) 10 times, and it may only go out once. From my home phone I can try calling my cell phone 25 times and only get through once. Every time my calls out fail, it either sits at "Dialing..." for 30 seconds before ending in "Call Ended 0:00" or just immediately drops the call without the 30 seconds of "Dialing...".
** Most of the time I can send and receive SMS from any other cell phone. Occasionally a message won't send out even though I have 4/5 signal bars. Resending the message works. Not sure if this is related to my issues with calling.
*** LTE data is fine (using LTE APN). Switching away from LTE to just 4G/H+ and data is a bit spotty. Sometimes it connects, sometimes it doesn't. LTE always connects just fine.
I've tried all sorts of flashing and reflashing:
- problem started when I was on S3Rx 4.0, but I never thought much of it because most calls went through fine
- problem got worse when I was on Lollipop (CyanideL), progressively so
- used Odin to flash stock NF2 (downloaded from Sammobile site), was no different than when I was on Lollipop (CyanideL)
- used Kies to flash stock N__ (forgot exactly which one), still no different
- flashed different bootloaders and modems
- while in stock NF2 firmware, went into *#2263# and made sure it was set to Automatic.
So any ideas what problem this is? I just find it extremely odd that calls almost always fail, yet SMS and data aren't a problem. Of course, when my SIM is in another phone (Nexus 5 on Telus, Galaxy S5 on Rogers) I was able to do everything without any problems: calls, SMS, and data.
Thoughts as to what this could be? Is this a hardware issue? If it's software, what could it be? My warranty's out and I'm willing to flash anything or pop the phone open (already have to make sure antenna isn't disco'd).
Thanks!
Have you tried the fob1 firmware? It's the latest kk release for the Canadian s3.
Yup, that's the firmware I'm currently on. Downloaded it from SamMobile, flashed via Odin. I'm literally running the stock firmware right now, no root, only TWRP as recovery so I can more easily flash any modems or bootloaders (vs using fastboot).
OK, so further to this issue, I contacted Rogers technical support. Spent about half an hour on the phone with the tech, went through a few things:
1. He reset my voice account, didn't help
2. Had me search in the "Network Operators" list, no networks ever show up
3. Had me use my old phone (Nexus S, network unlocked) to ensure that it's not my account. All tests with the Nexus S went fine.
4. Had me test different network bands. Bingo!
The phone can place and receive calls when I set the network mode to 2G only (or GSM only). 3 out of 3 calls came in, 3 out of 3 calls went out. Then again later we tested incoming and outgoing calls, still on the 2G network.
So technically problem solved, but realistically not really. I am able to get voice, text, and data (solved!), but I'm paying for a LTE data package and should at least be getting 3G mad.
Any idea why my phone would be working on the 2G network and not on the other ones (3G, H+, LTE)?
This is crazy but the baseband and modem are one fob1? I know you said you flashed a stock rom but it may be worth checking.
My niece is using an unlocked bell s3 on Rogers and she has no problem with voice, data, or text when setting the network to wcdma only or wcdma/LTE.
Yes! Both Baseband (modem) and bootloader are the same. I just downloaded Phone Info (Samsung) to check this, and they both report being FOB1.
Now here's something that's irking me quite a bit. I only just discovered this and do not know if it is of consequence to my problem: I have no PDA or CSC version and Latest Firmware is reporting "Not Found" in the Firmware tab of Phone Info. I've attached a screenshot so you can all see what I mean. Is that normal?
Is phone running a custom rom?
That's right, I just restored a NANdroid of CyanideL (5.1.1).
So this also happens on a stock fob1 rom too?
I am almost tempted to say it may be a hardware issue.
That's right. This happens with a custom ROM (e.g. CyanideL, 5.1.1) as well as a stock ROM that's been freshly flashed via Odin (FOB1, 4.4.2). When flashing with Odin, I'm doing a full wipe via TWRP. Wiping /data partition as well.
I'm inclined to believe this is also a hardware issue, but it just seems bass ackwards in that I can get everything (minus LTE) working while on 2G, but I lose voice access if I move up beyond 2G. I could understand if I couldn't get any voice, SMS, or data, but that going down to 2G solves all my problems... it just seems weird!
Can you try the phone on another carrier? This would probably be the final test you could do. Sounds like you have tried everything.
Yup, tried that earlier on, when I tested my SIM card in some friends' phones (one on Rogers, one on Telus), and while doing that also tested their SIM cards in my phone. With their SIM cards in my phone, the same problem happens as when I'm using my own SIM card.
Gah! It's frustrating, but something I can live with for now until I can get a new phone. I just still can't get over the "everything's fine" on 2G, but moving up to 3G or beyond and I completely lose voice. A colleague of mine has the same phone and the same plan, bought only a month or two before I bought mine. He's got no problems at all with LTE and voice. Although he was on the unofficial CM 12.1 nightlies (5.1.1), I don't think that would have any perceivable difference than when I was on CyanideL 15.x (also 5.1.1).

Nexus 5x can't make calls, data and text are fine. Verizon

So, my phone can't make calls and I've tried everything I was able to find online to force it to do so. I took my sim card from my moto x and put it in you'd nexus 5x, but when I try to make a call it immediately hangs up. I've gotten a new SIM card and gone to multiple Verizon stores to fix it, to no avail. Lastly, I heard that I could make calls inever i enabled advanced/hd calling so that i could use data for the call. Whenever i go into testing settings to make the VoLte work and reboot, it seems to not keep the setting. I'm lost, and I just want to make calls. Any help?
In the past (16 years ago, in times of Siemens S55) there was a way to enable a second line on the mobile phone. I think it was something like pressing 0 for a few seconds to switch between the lines.
When activated without access to a second line, you were not able to make any phone call. Not sure if this function is still available at actual smartphones. Only a hint where you can search for.
Or, another hint, you've activated the call restriction (not sure if this is the correct translation from German). In the options of the phone you're able to block some or all numbers for outgoing calls.
Try to check in test menu (*#*#4636#*#*)if the phone is on LTE-only mode and put it on LTE/CDMA/UMTS
Sent from my Nexus 5X using Tapatalk
My H798 came across bootloop, after a fix from Huaqiangbei, Shenzhen, was sent to me today. The phone runs into a similar issue. Data and SMS work well, while any call will be held on "Calling…" for 30 seconds, with no sound, then end up with a beep of hanging up.
But my mobile carrier is China Mobile.
Same thing here, replaced with chinese motherboard and now no calls, but sms and data works fine.
It seems that there are different SMC for 4g and 2/3G, so it seems that there is a hardware fault on the 3g/2g chip.
Gonna try to gunheat it.

Calls and texts not working.

Hello everyone,
I'm having a bizarre problem that no one can seem to fix. I have an unlocked AT&T branded Note 10+. I used it on my preferred service, MetroPCS.
A couple of weeks ago it stopped receiving or allowing me to make calls. The signal showed full bars and everything else worked fine. After attempting to fix it and failing I switched providers and went to Verizon.
Bizarrely, my phone will not work on prepaid vzw but did work on a post paid so I signed up. Everything phone related worked. It was however very expensive.
Seeing my phone work on a network made me think my phone wasn't the issue so I went back to my preferred network.
Now the situation is this: With a metro sim inserted I show 4G LTE icon but no bars, instead it's just a circle with a line thru it. In this state I have full data but now calls and texts don't work. When I try to make a call the 4G icon disappears and full signal bars replace the circle with the line.
I tried metro tech support, they are no help at all. So I called Samsung. They informed me that my device is still locked. That can't be true as I've used it on two networks that weren't AT&T. However, rather than writing them off I went back to VZW and had a worker insert his sim into my phone and it worked flawlessly, just reassuring me that my device is unlocked.
This device, other than being unlocked is unmodified and had been used in a 100% stock state. Is there anyone here who can please direct me to a solution for this issue?
Edit: I have tried switching to new metro sim cards. Reset my apns and network settings. I even tried a full factory reset.
kingnarkissos said:
Hello everyone,
I'm having a bizarre problem that no one can seem to fix. I have an unlocked AT&T branded Note 10+. I used it on my preferred service, MetroPCS.
A couple of weeks ago it stopped receiving or allowing me to make calls. The signal showed full bars and everything else worked fine. After attempting to fix it and failing I switched providers and went to Verizon.
Bizarrely, my phone will not work on prepaid vzw but did work on a post paid so I signed up. Everything phone related worked. It was however very expensive.
Seeing my phone work on a network made me think my phone wasn't the issue so I went back to my preferred network.
Now the situation is this: With a metro sim inserted I show 4G LTE icon but no bars, instead it's just a circle with a line thru it. In this state I have full data but now calls and texts don't work. When I try to make a call the 4G icon disappears and full signal bars replace the circle with the line.
I tried metro tech support, they are no help at all. So I called Samsung. They informed me that my device is still locked. That can't be true as I've used it on two networks that weren't AT&T. However, rather than writing them off I went back to VZW and had a worker insert his sim into my phone and it worked flawlessly, just reassuring me that my device is unlocked.
This device, other than being unlocked is unmodified and had been used in a 100% stock state. Is there anyone here who can please direct me to a solution for this issue?
Click to expand...
Click to collapse
You just proved either the SIM or the account is the issue.
Sent from my SM-N976V using Tapatalk
I would agree. I should've included that I have tried 3 new metro sim cards, with the same result.
However, please tell me more about how this could be an account issue? Because that could lead me down a path to a resolution. Thank you

S20 Ultra Exynos missing calls intermittently

So I have used my S20 Ultra since March this year.
I've noticed that the cellular network just "sleeps" and doesn't receive calls/SMSes after some time of phone idling/usage on WiFi.
I tried googling and found many other users reporting similar issues, noticing also that it seems majority if not all are Exynos variant users (not based in US).
Personally, this is definitely not a telco provider issue as I have had this issue on my old SIM (which was working fine on my old phone) and new SIM that I recently got after switching providers to see if the issue went away.
For me, sometimes the calls come in a few minutes late, and then the phone rings but when picking up, the call just gets stuck because the other party is no longer calling.
This is particularly noticeable as due to mostly staying home during COVID-19.
Toggling flight mode to "wake" the cellular network makes the phone be able to receive calls again.
Forum thread for reference: https://us.community.samsung.com/t5/Galaxy-S20/S20-Ultra-not-receiving-calls/td-p/1190155
Lucky me. Didn't have this problem on my s20+ exynos
Sent from my SM-G985F using Tapatalk
lynxlok94 said:
So I have used my S20 Ultra since March this year.
I've noticed that the cellular network just "sleeps" and doesn't receive calls/SMSes after some time of phone idling/usage on WiFi.
I tried googling and found many other users reporting similar issues, noticing also that it seems majority if not all are Exynos variant users (not based in US).
Personally, this is definitely not a telco provider issue as I have had this issue on my old SIM (which was working fine on my old phone) and new SIM that I recently got after switching providers to see if the issue went away.
For me, sometimes the calls come in a few minutes late, and then the phone rings but when picking up, the call just gets stuck because the other party is no longer calling.
This is particularly noticeable as due to mostly staying home during COVID-19.
Toggling flight mode to "wake" the cellular network makes the phone be able to receive calls again.
Click to expand...
Click to collapse
I also have this issue (S20+ exynos, dual sim). I use wifi at home/work and I had several missed calls and delayed text messages during this time.
Now I turned on the text alerts about the missed calls. At least when my phone connects again to the network I get these notifications.
I am also having this issue. People call and it rings out at their end but not at my end. Is there any fix?
Try switching the active number to slot 2. I tried it for a couple of days and I think it was better. I have switched back to slot 1 to monitor as I just got the ATE6 update and wanna see if it changed anything.
I had this issue and figured out what was causing it. You need to disable VoLTE if you are not registered to use this service on your carrier's network.
ctp9 said:
I had this issue and figured out what was causing it. You need to disable VoLTE if you are not registered to use this service on your carrier's network.
Click to expand...
Click to collapse
My sim cards are already registered to use VoLTE, my carrier notified me a few months ago about it.
I tried to disable VoLTE on both sim cards. It was OK for 2 weeks until now.
I got a new missed call notification text message and after 5 minutes a message from the caller.
Now I enabled VoLTE again for one sim card. Let's see if there will be more missed calls with this setting.

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