I'm having problems with my 4g network, every time I make a phone call or receive a phonecall the network drops and a message opens saying that there is no network available then it reconnects. If i choose 3g network instead of 4g nothing happens, everthing works fine. I did a factory reset, flashed stock oxygen OS and nothing changes, please i would really appreciate some help
That's because of VoLTE(voice over LTE, if you don't know search on Google) feature is not currently supported by oneplus 2, oneplus promised to give this VoLTE enabling feature update in next quarter so wait for that
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In device info I find several options for the network mode: lte/gsm, lte/cdma, or lte only, but I want something like lte preferred. If I switch it on lte only, phone calls or sms stops working (can't receive or send). Is there anything I can try to prefer lte all the time? My Vodafone carrier in Romania doesn't support VoLTE and whenever I make a phone call it goes to 2g, then it takes a few seconds to switch to "H", but it almost never goes directly to 4g. I'm also rooted so some exposed module or something similar would also be appreciated.
Basically what I'm looking for is to prioritize lte all the time, but switch to 2g/3g when I make a phone call or there is no 4g signal. Can anyone help me out pls?
So i bought a second hand galaxy alpha phone. It was perfect in shape, no scratches or anything, meaning the phone was ell maintained.
The problem comes when im over LTE(4g) network. I try placing a call, it waits like 45 seconds and then it drops. i try calling for the second time and then after a couple seconds the signal drops to EDGE and start calling. after the call it stays a EDGE forever, unless I dial *#*#4636#*#* --->phone information--> set preferred network type: "LTE Only",....once signal shows LTE i can get it back to "LTE/CDMA/UMTS auto (PRL)" mode and keep surfing internet with 4g speeds.
Another related issue, if someone tries to call me when im over LTE, the phone doesn show any incoming call, but to the person calling, the call rings normally. So i dont get calls :S
I though it was a software related issue, so i rooted it and upgraded to andorid 7.1.2 lineage. but still the problem is the same. what shoud i do, i searched the internet and the answer is nowhere to be found nobody has this problem either
I have recently bought the MI A1. While buying itself it was updated to the latest may patch.
The problem is while on 4g network, I cannot receive nor make any phone calls. For calling I have to manually switch to 3g/2g mode from *#*#4636#*#* menu. Is this a normal behavior of this phone as my other phone swiches to 3g while incoming/ outgoing calls and back switches to 4g after the call is finished.
PS: my network doesn't support volte. Phone is manufactured on Feb 2018, it's not modified by any means.
That's not normal behavior.
I've never seen a phone where You have to switch between 3G/4G/LTE for calls and data.
Can You try a SIM-card from another service provider to see if it behaves differently?
If You check at https://willmyphonework.net/ are all bands supported with Your provider?
Or, in worst case of course, try a factory reset and see if that makes any difference...
Set to 3g/4g in *#*#4636#*#* menu.
Airtel doesn't support volte in all circles yet. Only rolled in few circles. In 3g/4g mode, it'll be mostly in 4g mode if nw strength is good & switch to 3g when you call or receive a call
On Sprint's Network, unlocked bootloader & critical partitions. Anytime I even receive a notification for a phone call coming in, my LTE is dropped instantly. Deny or hang up the call, it comes back. I've read that Sprint's 3G can't handle voice and data at the same time, but this is 4G. Wifi is also completely useless on this phone as it stays connected for about 60 seconds tops.
Tried doing a complete wipe and reset to both Pie stable and Q beta 6, same exact thing. Tried all the network options in settings and nothing.
Does anyone with Sprint have working LTE during a phone call? I'm trying to figure out if it's a **** copy I got from Amazon, or the network. Thanks.
xe500linux said:
On Sprint's Network, unlocked bootloader & critical partitions. Anytime I even receive a notification for a phone call coming in, my LTE is dropped instantly. Deny or hang up the call, it comes back. I've read that Sprint's 3G can't handle voice and data at the same time, but this is 4G. Wifi is also completely useless on this phone as it stays connected for about 60 seconds tops.
Tried doing a complete wipe and reset to both Pie stable and Q beta 6, same exact thing. Tried all the network options in settings and nothing.
Does anyone with Sprint have working LTE during a phone call? I'm trying to figure out if it's a **** copy I got from Amazon, or the network. Thanks.
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I have the issue. I also can't get LTE+ to work either. I'm on Boost, but they use Sprint. All stock roms and I can't get 4G at all on custom roms. I bought mine directly from Essential.
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Sheradrax said:
I have the issue. I also can't get LTE+ to work either. I'm on Boost, but they use Sprint. All stock roms and I can't get 4G at all on custom roms. I bought mine directly from Essential.
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I can't say anything about Sprint, but VoLte on Verizon behaves the same way for me on Q beta 6. If the radio cycles for any reason I lose VoLte even if it shows selected. I have to toggle it in network settings for it to work.
Just curious, if you go into the phone info with *#*#4636#*#*, does it show that VoLte is provisioned?
garywojdan81 said:
I can't say anything about Sprint, but VoLte on Verizon behaves the same way for me on Q beta 6. If the radio cycles for any reason I lose VoLte even if it shows selected. I have to toggle it in network settings for it to work.
Just curious, if you go into the phone info with *#*#4636#*#*, does it show that VoLte is provisioned?
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It's grayed out for me. I can't enable it. Maybe calling Boost customer service might result in fixing it.
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I installed one UI 2.0 at my SM-G975F/DS All apps are working perfectly but when I turn off wifi or out of coverage wifi I loss GSM band network also. It could not enroll the GSM network. I use Vodafone 4.5G cellular line in Turkey. Should I turn back to Official Samsung Android 9.0 rom or there is another solution to fix this problem?
Wi-Fi calling works fine, but I don't have access to Wi-Fi at all times, and that's why I have a cellphone. I am just getting very frustrated because I get job related calls and if I'm not connected to Wi-Fi, I miss the call. Please help. LTE doesnt connect if there is no wifi. Actually I dont see LTE logo on the screen but when I start call on cellular line top of signal bars flashing green dot color.
I just noticed that I am talking on "VOWIFI" only so LTE mobile network is not working.
What could be the reason of loss network? It happens after installed Android 10