Signal problem unlocked with wind(ita) - AT&T LG G4

Problem is not about signal force or 2g 3g 4g or area with no signal.
Its a complete problem that take away signal (sim call SMS and data).
And it appen any time without advice or any sense.
From 4g yt In 1440p to 0 signal.
I have read around of similar problem for g3 and all other g4
Found also a yt Video that give a metode with adb to solve it.
Any idea?
The phone have near 2yr from imei but it's refurbished with 1yr garancy from eBay. Bought recently arrived yesterday 1day of use

I cant found 4G LTE
my signal can"t found 4G
I haved jast 3G H+

Does it happen with only one SIM?
Or have you tried inserting other SIM cards and does this with other networks?

Related

g1 network problems. help?????

I really have problem with the g1 network coverage. I am in india and the operator I use is a good one. I get only 2 bars on my phone whereas it is full bars on my another sony ericcsson phone. Out of 100 calls there are 90 call drops. It is like a nightmare for me. Every time I lose network coverage and have to go to operator selection in setting. There I clearly see the network. G1 does'nt connext to network automatically. I have tried everything from reflashing to a wipe. Tried other operator too. No luck. Anybody experiencing same problem? Anybody knowing any solution to the problem. Really bad for me. Please help!!!!!!!!!!!!!
We are the Group of 5 People Owing G1 in Nashik, Maharashtra and almost all operators are running without any Problem in 2G Network.
Airtel, Idea, Reliance GSM and BSNL works flawlessly

Desire S Call Issues

Hi,
I have a HTC Desire S which I bought Sim Free and am currently using a Vodafone UK SIM. I notice that a lot of my calls whilst on a HSDPA signal or even EDGE seem to be routed to voicemail even though the setting is disabled and I experience data blocks. Even though I'm shown I have data connectivity I cant use data and calls wont connect.
I was wondering whether you would think this is a SIM or a phone issue. I have had this on two Desire S phones and when using the SIM with a 2G only phone I don't seem to experience this problem. I'm in an area where there should be great indoor and outdoor coverage and the provider has no reported issues at the moment.
I think the problem is with network...
As you said with 2G you don't experience any issues...that proves the point...
I would suggest use only 2G (GSM) mode rather than edge...
until network improves...
Also that would give a better battery life ;-)
I too had a few calls go to voicemail when I should have had signal to receive calls, on t mobile uk, suspect that it's as the signal strength seems to fluctuate sometimes which I have seen, especially when using wifi And/or data.
Although not happened enough to be a really a massive problem.
Sent from my HTC Desire S using XDA App
Yes, like vampire36 said, the problem is in the EDGE & HSDPA network.
Try using 2G for a while with EDGE & HSDPA are closed for a few days then report back.
Hope this works out for you
I'm also on vodafone uk and I haven't had this issue, I'd say call the support line (as foolish as it sounds) as this isn't a problem I have had at all :/
But for the time being just stick to 2G so you can receive calls and such
Sent from my HTC Desire S using XDA App
Thanks for the tips. Vodafone have told me that there are 2 masts down serving my area so there isn't any 3G coverage and when I do very rarely get on HSDPA I experience data blocks because of the insufficient coverage. Even on 2G there are coverage issues because of these masts so now at least I know where the problem lies.
Has been an issue since February and this isn't rural countryside we are talking about but literally on the edge of the City of London! At least they've halved my bill till they sort it out.

Never had a 3g signal on my sensation....?!

As the title says... I have never had a 3g signal on my sensation anywhere. Had it for 2months and been half way across the country with it and i still only had the 'G' icon for my mobile network....vodafones excuse is that i have no 3g signal due to my area not been covered, altho when i put my simcard into my n97 mini, i have 3g!!
Anyway after talking to vodafone again they decided to send me a new sim card. My current one is approx 2 years old.
Just wondered if anyone has any ideas on this? I.e is there a setting somewhere to enable/disable 3g or is it just my simcards old?
Thanks in advance peeps
Did you try too put the vodafone apn
This acually might he a concern of mine. Ive never got a 3g symbol either my sim is as old as when the g1 came out. Ive got 2g and g though. Kinda wierd.
Sent from my HTC Sensation 4G
samething happen with me, after that I change into another sim card, no i can get 3g just fine
Mine only shows 4g or 2g but since I changed to wcdma only it stays in one signal
Sent from my HTC Sensation 4G using XDA Premium App

[Q] 2G not working 3G/4G working

Bougt a Nexus 5 32GB D821 in December in England on holiday. When i came back to Norway the 3g/4g network worked fine but I dont get any signal when i switch to 2G.
I live on the coast so sometimes I lose 3G signals and then I have no signals at all.
I have testet the sim card on my old S3 and there it works fine. Since i bought it in England I have no warrenty and no one will fix my phone.
Is it an hardware problem or software problem?
kridan said:
Bougt a Nexus 5 32GB D821 in December in England on holiday. When i came back to Norway the 3g/4g network worked fine but I dont get any signal when i switch to 2G.
I live on the coast so sometimes I lose 3G signals and then I have no signals at all.
I have testet the sim card on my old S3 and there it works fine. Since i bought it in England I have no warrenty and no one will fix my phone.
Is it an hardware problem or software problem?
Click to expand...
Click to collapse
I have my N5 2 days now and I experienced simular issues.
The 4G symbol would come up but when that leaves, probably due to almost no signal, no 3G, edge etc.
I solved mine by switching it to setting - more - mobile networks - preferred network type ---> 3G ... so far so good.
I also had issues with my wifi on my Asus RT-N66U unit. It would be connected but no wifi at all. reconnect and it would work for a couple of minutes too.
I reflashed the firmware of a couple of months ago and no more issues.
Please let us know if it works for you too so we can help others!
lukesan said:
I have my N5 2 days now and I experienced simular issues.
The 4G symbol would come up but when that leaves, probably due to almost no signal, no 3G, edge etc.
I solved mine by switching it to setting - more - mobile networks - preferred network type ---> 3G ... so far so good.
I also had issues with my wifi on my Asus RT-N66U unit. It would be connected but no wifi at all. reconnect and it would work for a couple of minutes too.
I reflashed the firmware of a couple of months ago and no more issues.
Please let us know if it works for you too so we can help others!
Click to expand...
Click to collapse
I have testet with prefered 3G and also only 2G. When I choose 2G only I got no network at all. Some people think it is a motherboard problem.

Help me - Infocus m808 is working only in 2G

Hi
Maybe you can help me.
I used my M808 2 years. In 2 days i can't call and sms and don't have internet when i have 3G or 4G. When i force 2G i can call and sms. In 3G i can see range but i cant call to anybody.
Do you have idea how i can fix it?
I done hard reset and nothing, I try my SIM card in other smartphone and there i had 4G ok.
Will Change rom help?
Lobotom_ said:
Hi
Maybe you can help me.
I used my M808 2 years. In 2 days i can't call and sms and don't have internet when i have 3G or 4G. When i force 2G i can call and sms. In 3G i can see range but i cant call to anybody.
Do you have idea how i can fix it?
I done hard reset and nothing, I try my SIM card in other smartphone and there i had 4G ok.
Will Change rom help?
Click to expand...
Click to collapse
This could be caused by a few things.
1. Hardware fault.
2. Your carrier (SIM Provider) switched to a none supported band or bands. The M808 does not support LTE band 20 (800mhz) which is common in Europe
Supported Network Bands:
(2G) GSM 850/900/1800/1900MHz
(3G) WCDMA 850/900/1900/2100MHz
(4G) FDD-LTE B1/B3/B7/B8/B28
3. APN settings although this would not affect voice calls
4. Your carrier Decided to block your phone by IMEI from using anything other than 2G and yes they do sometimes do this O2 did it to me some years ago now with absolutely no warning or reason given so I will never ever use them again the arrogant s****
5. Duplicate IMEI someone is using a phone with the same IMEI as yours on the same network. This can cause all kinds of strange stuff to happen. Again happened to me when I restored the incorrect backup. Both mine and my sons phone ended up with the same IMEI . It took ages to work out what was going on with that one
I would suggest you first try another sim card from another provider that use's the supported bands for 4G (3UK) if in the UK it used to work fine on my Old M808.
I done some tests.
I put my sim card to other phone - everything is ok.
I put other provider sim card to my phone - only 2G is working properly.
I done flashing - no improvement.
Im afraid hardware fault.
Any more sugestions?
Lobotom_ said:
I done some tests.
I put my sim card to other phone - everything is ok.
I put other provider sim card to my phone - only 2G is working properly.
I done flashing - no improvement.
Im afraid hardware fault.
Any more sugestions?
Click to expand...
Click to collapse
Full Firmware Upgrade using SPFlashTool If that dont fix it then it's time for a new Phone see the original Infocus V5 M808 Thread for ROM s and tools.
https://forum.xda-developers.com/general/device-reviews-and-information/infocus-v5-mt6753-5-2-fhd-2gb-ram-16gb-t3341297
MM ROM's and Recovery's https://forum.xda-developers.com/showpost.php?p=67345310&postcount=182

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