Is anyone having issues with their phone signal? I have full 4g, but no one can call me nor can I make any calls. Also, after restart, I can call but the signal disappears as soon as it starts ringing. Nubia advised full reset, which is annoying as I just set up the phone. Sim works fine on old samsung.
Quick update. I've retyped the APN settings in. And also I selected Network Type: 4G/3G/2G (the one without 5G) and it seems to work ok for now.
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I bought the N7105 from Phones4U and unlocked it to use when my SGS3 LTE was playing up but since moved my 3 SIM into the phone. It was working flawlessly for about a month but then started, maybe once per week or once every second week, getting fixed in a state where it seems to think that there's no mobile signal. Fair enough, sometimes I lose signal, however when the signal comes back the phone remains stuck in this condition. HSPA+ data is working, it shows the correct network name and can receive incoming calls but the "no entry" icon is in the notification bar and when I try to make an outgoing call I'm prevented from doing so with an error message indicated "The selected mobile network is not available". Disabling the data connection, searching for networks and toggling airplane mode don't seem to help and I can only make outgoing calls again by doing at least a soft reboot. The device is not rooted and is running stock 4.1.1. Has anyone else experienced anything like this?
I am having issues with the P8000 phones I have. The phone is taking too long to switch from 4G to 3G when receiving a call so it goes to voicemail everytime. If it is set to 3G only it rings perfectly.
Dialling out also takes an age as because of the long time it takes to switch, but due to there not being a time limit, it does finally dial after about 15-20 seconds.
Has anybody had this happen to theirs and was there a workaround at all? (They are using Telstra in Australia)
Also when you factory reset the phone it clears the IMEI info and you have to enter engineering mode to put them back, is this normal behaviour as I would expect a factory reset to leave the IMEI information untouched.
Hopefully someone can assist me with a workaround.
same thing here...
Mattycee said:
I am having issues with the P8000 phones I have. The phone is taking too long to switch from 4G to 3G when receiving a call so it goes to voicemail everytime. If it is set to 3G only it rings perfectly.
Dialling out also takes an age as because of the long time it takes to switch, but due to there not being a time limit, it does finally dial after about 15-20 seconds.
Has anybody had this happen to theirs and was there a workaround at all? (They are using Telstra in Australia)
Also when you factory reset the phone it clears the IMEI info and you have to enter engineering mode to put them back, is this normal behaviour as I would expect a factory reset to leave the IMEI information untouched.
Hopefully someone can assist me with a workaround.
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I'm having similar issue... the only difference is that I do not have 3g since I leave in canada and frequencies don't match.
Anyways, when I set my phone to 2g, I can call and receive calls no issues.
Once I select 4G, I'm able to make calls (after a while since the phones takes it's time to change from 4g to 2g) but I cannot receive... I'm assuming the phone does not know a call is coming since calls use 2d...
Hopefully this can be fixes soon.
Using Eragon room...
update
after a conversation I had with my provider I may have identified the issue...
LTE does not carry over call service (only some provider through voLTE). So, when a receiving call is arriving, the provider sends a signal to the phone (called non assess stratum) that triggers it to change to 3g or 2g to receive the call.
when we want to make the call, the issue does not applies since the phone already knows we are making a call and automatically changes to 2g/3g.
so, will someone be able to help us on how to make sure the phone get the signal from the outside to change network type when an incoming call is arriving?
hope so.
thanks,
For the invalid imei after factory reset (or firmware upgrade), it doesn't happens everytime but it happens often. It's seems to be a problem with all mediatek based phones (it's the case on all my previous mediatek phones(5))
Cheers
I am experiencing the same issue re: no calls coming through when in 4G cause it doesn't switch to 3G in time and it goes to voice mail. (I'm with Telstra - Australia)
Has there been any update on this issue?
I'm having issues when on WiFi and LTE Enabled, the phone does not get any phonecalls, missed phonecalls do not show and SMS arrive late (my carrier has the option to notify me missed calls, but yesterday the message got me 10 minutes after the call).
After searching, I've found out something similar happened to nexus 4-5, when WiFi is ON, LTE is ON, and the phone is in Sleep Mode but nothing on Zenfone 2. Have a friend with ZF2 that confirmed it happens sometimes but we doubt if it' s a phone issue or carrier issue.
Getting the network mode to 2G/3G seems to fix it, but it misses the LTE
try to restart the phone (?)
I reboot my phone every couple of days, but the bug sometimes appears in the phonecall right after rebooting
What messaging app are you using? I know I miss messages from my wife when I had textra in the "off" state with autostart manager. When I told it to start when the phone boots it started getting the text messages and mms's right away. Are you using a VPN or do you have weak signal and what firmware are you using?
make sure phone is allowed 2g/3g/4g all. If you restrict it to 4g only you will face such issues.
harpreet.s said:
make sure phone is allowed 2g/3g/4g all. If you restrict it to 4g only you will face such issues.
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I usually reboot in the mornings. But I US Google voice so the issues never really show up.
Stock FW (was on 168, now I'm yesterday patched versopm) , Stock SMS, no VPN, and set to 2G/3G/4G
As I said, the problem is fixed when I'm on 2G/3G, but it kinda loses the point to have an LTE plan
can you test with 4g on and wifi off.What carrier are you on. Because carriers can use wifi and lte combo in case you have same carrier providing both facilities.
harpreet.s said:
can you test with 4g on and wifi off.What carrier are you on. Because carriers can use wifi and lte combo in case you have same carrier providing both facilities.
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I'm on Uruguay Antel and it does not offer any combo whatsoever, voice calls are usually switched over to 3G when I'm on LTE, but somehow the network or my phone fails to switch sometimes
Hello,
I'm using two swedish providers in my phone - 3 and Telenor. Both are capable of LTE/UMTS, I'm using 3 as the primary provider for all options in the Sim settings and the Telenor one only to receive calls.
So I recognized a problem where my data connection would drop when the 'open wifi'-notification popped, I tried to disable that and it seemed fine at first. However I'm still getting data connection drops when me phone swaps from LTE to UMTS(3G/H/H+), no errors are thrown and I'm only seeing it due to no data loading within apps or disconnects in-game, the display isn't dropping the coverage indicator nor the indicator for which network is being used(3G, H, H+, LTE, 4G+). After some time the data connection returns but keeps dropping rather frequently once this pattern starts.
Airplane mode restores connectivity for a while (I haven't clocked it) but eventually the connection stops receiving data and the disconnecting pattern returns.
Calls and SMS are working as far as I've noticed so far.
Any ideas?
Edit: I've restarted the phone multiple times.
Any one got similar issues or any fix :3?
Currently I am in stock room.
My phone suddenly drops the network (Wi-Fi and cell network) but it is not in airplane mode.
I won't be able to receive any calls, but the caller will hear busy tone.
During the whole time my network shows few bars, but it is probably fake network.
I am just missing many calls due to this problem, and when some one notifies over other phone I will get to know and I will put into airplane more and back, the network resets and works fine.
Can anyone know what is the problem ??
I have reset my phone also, but of no use.
Thanks in advance.