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Hi there,
Since a few days, I've got a serious problem with my SGS2, it randomly loss any networks, saying that the flight mode is on. I tried to flash with another firmware ( stock KE7) it change nothing.
Any idea?
This is a firmware issue with the modem. Mine did the same thing. KE7 modem is horrible. I flashed to KF2 modem and I don't have this problem anymore.
Sent from my GT-I9100 using XDA Premium App
i believe this is related to the network itself. for my 2 other phones before, whenever i am AUTO network Mode, many callers used to call me reporting 'My mobile was off'... also with S2 the same issue.
i switched to GSM mode only, LOSING my NETWORK Data SPEED, for this ..
i hope future firmware can solve this with as suggested above, Good RADIOS....
The problem is that i've already tested with another provider's simcard and i've got the same issue. I tried with some firmware (stock KE2, KE7, KF1, Litening 1.4) but it change nothing. I'm from france with 'Virgin" provider if this can help.
Leckmee said:
The problem is that i've already tested with another provider's simcard and i've got the same issue. I tried with some firmware (stock KE2, KE7, KF1, Litening 1.4) but it change nothing. I'm from france with 'Virgin" provider if this can help.
Click to expand...
Click to collapse
lets try to find solution together... i am totally on different network, Etisalat of UAE.
up to now, going to GSM Mode solves this issue but i loose "fast speed network"
I tried GSM Mode only but the issue is still the same.
Actually i'm on:
PDA: I9100XWKE7
PHONE: I9100XXKE4
CSC: I9100XEUKD1
Leckmee said:
I tried GSM Mode only but the issue is still the same.
Actually i'm on:
PDA: I9100XWKE7
PHONE: I9100XXKE4
CSC: I9100XEUKD1
Click to expand...
Click to collapse
i am currently on the same build... in fact i tried all previous builds and even KF1 & KF4 but all were the same
I have this problem with my WiFi network.
The title on this thread doesnt say which kind of network you are talking about.
Data network and phone, wifi network works perfectly.
hazem77 said:
i believe this is related to the network itself. for my 2 other phones before, whenever i am AUTO network Mode, many callers used to call me reporting 'My mobile was off'... also with S2 the same issue.
i switched to GSM mode only, LOSING my NETWORK Data SPEED, for this ..
i hope future firmware can solve this with as suggested above, Good RADIOS....
Click to expand...
Click to collapse
I'm on Orange UK and that happens to me quite often. It's something to do with the network and how it handles the switch from gsm to udma(I think, anyway). Sometimes the network doesn't fully recognize you've switched from one type to the other and reports your phone to be offline. It doesn't usually last long but if someone tries to call me during that time then I'll get a text message when the network catches up to tell me I've missed a call.
DVC1985 said:
I'm on Orange UK and that happens to me quite often. It's something to do with the network and how it handles the switch from gsm to udma(I think, anyway). Sometimes the network doesn't fully recognize you've switched from one type to the other and reports your phone to be offline. It doesn't usually last long but if someone tries to call me during that time then I'll get a text message when the network catches up to tell me I've missed a call.
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Click to collapse
exactly... thats what happens to me too. what do you think is the solution?
What is even worse is sometimes in the middle of a conversation it goes to flight mode!!!!!!!!!!!!!!!!
hazem77 said:
exactly... thats what happens to me too. what do you think is the solution?
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Click to collapse
I don't think the problem can be fixed on the user end. I had the same issues with a Nokia N80 and N97 mini before I switched to the SGS2. It's apparently a common problem that all networks sometimes have and the only way it'll ever really be fixed is if the networks improve how they handle the switch.
I think it also depends on where you live. If you get a constantly good 3G/H signal then in theory the phone should hardly ever need to switch to GSM mode, but if you live in an area where the signal is not so strong then it might switch more often which will cause the problem to be more severe.
You could of course try setting the phone to WCDMA only which will give you good speeds, but then if you drop out of 3G range you'll lose the ability to make & receive calls anyway. It unfortunately seems like a lose/lose situation.
As for the flight mode issue, I really have no clue what is causing that. Have you tried hard resetting and/or flashing new firmware?
hazem77 said:
What is even worse is sometimes in the middle of a conversation it goes to flight mode!!!!!!!!!!!!!!!!
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Click to collapse
Change your phone..
I had the same problem on my first SGS2..everytime when gsm/wcdma auto is selected..phone randomly looses internet connection and radio switches off. In gsm only mode..everything is fine. Got my second SGS2 and phone is perfect..no loss of data connection even in the worst coverage area..
You can read "serious issue on 3g" thread in the general forum and see if you are suffering same symptoms
Sent from my GT-I9100 using Tapatalk
DVC1985 said:
You could of course try setting the phone to WCDMA only which will give you good speeds, but then if you drop out of 3G range you'll lose the ability to make & receive calls anyway. It unfortunately seems like a lose/lose situation.
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Click to collapse
yeaa... thats what i am doing right now and it is working better...
...
@Iznee
i dont think changing the phone might be the issue, i had the same issue on IP4... it might be solved with future radios/ roms...
I have an unlocked unrooted S3 on Vodafone UK. This issue has been happening for the last few days whereby i have full 3G/H+ connection, but absolutely no data is working. No email, no websites loading, no whatsapp, nothing. The issue goes away as soon as I restart my phone, but then it comes back after a few hours.
Has anyone experienced this, and if so, how have you fixed it?
Go back to your network/phone provider .
Or flash different modem .
jje
I am having this issue too. I may be wrong, but i realise this happens if i turn off my Wifi, the 3G will not want to connect to the 3G network.. Anyone else having such problem?
By the way mine is International version (Location: Singapore)
I'm having a similar problem where I have a good 3G/H/H+ connection but data seems to drop intermittently across all applications - I get the same sort of error message in browsers/facebook/twitter that you receive when you have no signal.
Anyone have anything similar and know of any fix?
I am not having such issue so far. I been updating my SGS3 using over-the-air update. I guess the MODEM has been updated as well.
Go to market and download "fast dormancy"(by gorkhanmoral) then disable it and reboot.
Check if your speed has improved,if it got worse then enable it again.
U need ROOT to use this tool.
I it didn't help, then flash a different modem
This is good modem
Cwm flashable
flame1845 said:
I have an unlocked unrooted S3 on Vodafone UK. This issue has been happening for the last few days whereby i have full 3G/H+ connection, but absolutely no data is working. No email, no websites loading, no whatsapp, nothing. The issue goes away as soon as I restart my phone, but then it comes back after a few hours.
Has anyone experienced this, and if so, how have you fixed it?
Click to expand...
Click to collapse
have you got any battery saving app like juice defender installed in your phone?
Is mobile data working at all? or is it constantly "uploading" but never "downloading" (up arrow lights but not down).
If what I just described is your issue then this is a network issue relating to android in general.
Basically your phone will be connected to two radio towers and gets confused as to which one it should use, rebooting or flight mode may help force it onto one tower or you may have to speak to your carriers "high network technical team" or whatever they are called for you to get them to force it onto one tower.
I had this issue on the HTC hero (a long time ago now) and it took 9 months for Orange UK to work out what was going on.
and it took 9 months for Orange UK to work out what was going on.
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Click to collapse
Congrats. Orange Luxembourg (my gf's network provider) still hasn't got a clue.. But they seem rather clueless about everything except writing invoices.
Flashing an Asian modem on her S2 made the issue far less prominent since they seem not to get confused by antenna ping-pong. (Tango Luxembourg, my carrier, has this issue too in the main city)
Is anyone else experiencing network problems with Samsung Alpha 850F, my phone is dropping calls and network. It reconnects after few seconds but it is really annoying.
I got latest firmware: G850FXXU1BOA2, changing network setting only to GSM doesn't help much, I have tried with different sim card and I still get same result. Alpha is not bought from provider but in retail store and it was rooted, so I guess I cannot send it to warranty.
WiFi connection is stable and I don't have any problems with it.
Anyone has suggestion what can be done?
Bono_ said:
Is anyone else experiencing network problems with Samsung Alpha 850F, my phone is dropping calls and network. It reconnects after few seconds but it is really annoying.
I got latest firmware: G850FXXU1BOA2, changing network setting only to GSM doesn't help much, I have tried with different sim card and I still get same result. Alpha is not bought from provider but in retail store and it was rooted, so I guess I cannot send it to warranty.
WiFi connection is stable and I don't have any problems with it.
Anyone has suggestion what can be done?
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Click to collapse
Hello,
As far as I'm concerned, the same thing is with everyones phone (signal strength is always at approximately ~-103 dBm) but I've never experienced such an issue with dropping calls nor network itself. Nothing you can do about it, everyone is experiencing this issue.
Best regards,
James
I also see the signal drops but never experienced problems with phone calls. I think it depends on the provider too, if you got a cheap poor signal provider you're more likely to face these call drops.
Sent from my SM-G850F using XDA Free mobile app
My friend had same problrm with S5 and he fixed it with factory restoring defaults and changing CSC to his region. I'm waiting for android 5.0 so I can that also.
Sent from my SM-G850F using Tapatalk
Hello there,
I have been using Tesco Mobile with my Redmi Note 2 for a couple of months now and have had no problem. I decided to switch networks to a VPN called Life Mobile. They use EE's network in the UK. Since putting in the sim card today I have not been able to connect to the mobile network. I am wondering if anyone else on this network with this phone could help? I have called Life Mobile's helpline and all they wanted to do was run me through EE's apn settings. I had already used their app and also searched elsewhere on the web to find a few different APN settings but none of them worked.
One thing I'm wondering about if whether or not the custom ROM/firmware (MUI 7 I believe) that the phone shipped with (bought online from China by the way) is having anything to do with the internet problems. I get the feeling the customer service for Life Mobile were fobbing me off when they said that maybe my phone just isn't compatible with their network. Phone calls and texts work fine by the way.
Does anything think flashing the phone to the standard android ROM that's available would have any affect on the internet settings. I'm no mobile expert, and with the phone not being on general sale in the UK yet as far as I know, I would appreciate your help to get this internet/mobile data settings issues sorted, as I do use my phone for work.
Thanks in advance for comments and help.
I definitely know that the ROM that came with my phone from Gearbest was the worst piece of software that I have ever used in my life... ever. Check your MIUI build number and see if it's something like 5.xx.xx or 7.xx.xx. If it's something more like 77.55.66, then you have a knock-off and it may be eating your battery, performance, and experience (the original ROM Gearbest flashed on my phone had so much bloatware that the antivirus warned me about one of the programs every ten minutes, and heated up significantly on the home screen). If you have an unofficial ROM, try flashing a developer weekly or stable.
Hi all.
Well, would you believe it, I have spent a large part of the day trying to figure this out and finally I've done it. I'm not quite sure how but I've done it. I'll explain briefly to help anyone else who may be facing the same problem. It seems that changing the network preference setting within the sim settings from LTE to 3G did the trick. Life Mobile does not support 4G as far as I'm aware. That's no problem for me as I'm perfectly happy using 3G when necessary. After doing that and fiddling with the network settings, eventually reverting back to the automatic selection of the network as EE and using the APN default settings as given by the sim when it first was entered into the phone, things suddenly start to kick into life and we had INTERNET!
Thanks for your help in resolving this, and happy New Year to everyone.
same problem
Hi mate,
I'm having the same issue now on life mobile, I've checked all the settings are right but still not picking up mobile data. Any suggestions? Constantly restarting it hoping something will be different but nothing so far.
Cheers
bn09gp said:
Hi mate,
I'm having the same issue now on life mobile, I've checked all the settings are right but still not picking up mobile data. Any suggestions? Constantly restarting it hoping something will be different but nothing so far.
Cheers
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Click to collapse
Driving me crazy as well (on a Lenovo K3 Note). Still have the Tesco SIM in there. Was going to port the number on Monday, but might get them to take the damn thing back!
Tried all the suggestions above, but nothing working. Tried both SIM slots with and without the other SIM, but nothing. Grrrrr....
bn09gp said:
Hi mate,
I'm having the same issue now on life mobile, I've checked all the settings are right but still not picking up mobile data. Any suggestions? Constantly restarting it hoping something will be different but nothing so far.
Cheers
Click to expand...
Click to collapse
Well, they sent me a new SIM card and I had all the same problems until I switched on "data roaming" and it now works fine (it didn't do anything with the last SIM though, when I tried it in another phone, I had to have date roaming on in order to even get a regular signal- data still did not work). I have seen transient "R" occurring when the SIM was activated/deactivated so had suspected this as a problem.
Hey all,
I am hoping somebody can guide me in regards to an issue I am facing.
I was working on my car a few days back and left the Elephone S8 on the car seat not realizing that it was being hit directly by the sun. After I was done, I picked up the phone and it was very very hot. I then went inside and let the phone cool off.
Since the above, I notice that I struggle to pick up reception. I have tried different firmware, replaced sim cards, everything. It seems to only be affecting certain MHZ bands as 4G LTE work, 3G works fine, and 2G works find but not always.
I have a feeling the 2G is having issues but maybe only certain bands. I do not think it is software related but have no idea where to even start on the hardware side. I first want to try scan for towers and see which bands they use and try see which one could be giving the issue. I don't expect it to just be a lose connector as the phone has not been dropped and I have only been using it for 2 weeks. If I do send it back under warranty for repairs, they will never pick up this issue.
Elephone S8 loss of network issue
Hi.
I think is a hardware issue as the same thing happened to me after 3 weeks perfect use.
I think has nothing to do with the sun as for me happened on a snowy Sunday 10th of December in London.
I suddenly noticed that when sending email the sending would start fast and after a 2-3 seconds the network will drop to 3G and stay like that for long time until the mail app stops sending process and the phone goes back to LTE 4G.
Also when dialling a number the phone will drop from 4G to 3G and than loose the connection straight away.
When indoors the phone would have trouble registering to network for ages without success.
I picked up 4 different pay as you go cards to make shure that is not my network but still no success.
All documented in the support ticket to GB and yesterday have send it back for a refund.
I really like the phone but i am reluctant to buy another if the issue persist so will wait and see.
Hope some more comments will follow to highlight the problem and influence a solution to this.
Cheers
I have the same issue - my wireless connection inside my home keeps dropping and connecting off and on again and again - I have two routers and maybe as I move from room to room it tries to connect to the closest router or something like that - not sure if there is a way to fix it without doing something in the routers.
Wifi
kishanach said:
I have the same issue - my wireless connection inside my home keeps dropping and connecting off and on again and again - I have two routers and maybe as I move from room to room it tries to connect to the closest router or something like that - not sure if there is a way to fix it without doing something in the routers.
Click to expand...
Click to collapse
Same problem here
My network problems are a little different. I don't have problems connecting to different wifi networks (home and work) but the phone does not activate mobile data when leaving a wifi network. I always have to restart the phone when I want to use mobile data (3G).
Kind of the same problem. Have my S8 for about a month. First it has a wifi network. When I leave the place where it is connected to wifi, it goes to 4G. But when I come back to a place with WIFI, the phone does not find any WIFI network. I have to reboot the phone. Soft reboot(a little faster) will also do/work.
Are you guys on the stock ROM?
Were you guys able to resolve your issues
MOTzYouTube said:
Are you guys on the stock ROM?
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I have the same problems with stock rom and eragon rom. I don't have a solution but I'm still hoping for a new update.
For now I found out that turning flight mode on and off again helps to switch between wifi and mobile data, so it is not necessary to reboot the phone every time.
I can confirm as well that Eragon won't resolve 3G / 4G network issues.
I'm using my S8 for a week now with only one problem, call related.
No wifi problems but after one day of usage I couldn't use mobile data anymore I almost re-flashed my phone (unlocked bootloader, rooted and using Xposed). Turned out my provider f*cked things up. Probably because Elephone is a not known brand here. It took me some time to convince the agent on the phone that I do not own a Samsung S8 lol.
Problem was solved at the providers end.
wim69 said:
I'm using my S8 for a week now with only one problem, call related.
No wifi problems but after one day of usage I couldn't use mobile data anymore I almost re-flashed my phone (unlocked bootloader, rooted and using Xposed). Turned out my provider f*cked things up. Probably because Elephone is a not known brand here. It took me some time to convince the agent on the phone that I do not own a Samsung S8 lol.
Problem was solved at the providers end.
Click to expand...
Click to collapse
This information sounds interesting. How did you manage to 'convince' the providers agent that it is not Samsung? And what did you tell it instead?
Steve the issue you have is different. Your issue won't be resolved that way.
You would need an app that switches to 3G/4G if WiFi is not connected.
Happy too soon. After one day with mobile data it's gone again. There's a cross in the lower right corner of the mobile data icon in the status bar. I'll be calling my provider again tomorrow morning.
---------- Post added at 10:10 PM ---------- Previous post was at 10:04 PM ----------
the steve said:
This information sounds interesting. How did you manage to 'convince' the providers agent that it is not Samsung? And what did you tell it instead?
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Click to collapse
I'm not sure if the fact that I own a brand that is unknown here causes the mobile data problems. The problems I'm running into atm are
- mobile data problems, 4G is connected, but no internet
- fingerprint scanner doesn't work with my banking app
- backlight bleed in the middle of my screen
- after 3 out of 4 calls, phone freezes for about 30 seconds
- rattle in fingerprint scanner
I guess I'm about to find out how good the return policy at Banggood is ?
I highly recommend that you return the phone now.
There are so many issues with the phone that it's just not worth the time.
Hi guys, I just got the phone, but mobile data is not working. Am I missing something?
Can you attach a screenshot
screenshots: https://photos.app.goo.gl/1XdRma9YJacb4b2b2
Does your sim card work in another phone? If so, are the apn settings the same?
I managed to resolve the issue.
I'm trying to figure what went wrong at start. When I got a phone I inserted both SIM cards like this:
SIM 1 - my business phone number - provider 1
SIM 2 - my personal phone number - provider 2
I wanted to use data only on my personal phone number, so I disabled data on business number. What happened is my business SIM downloaded APN info on first boot (i assume), and then my personal SIM used this APN (which was incorrect).
To resolve issue I first inserted my personal SIM to slot 1 alone and booted. Then I changed APN profile to match my old phone's, turned off phone and inserted my business SIM to slot 2 and booted.
Now data works fine. Obviously there was APN issue but how come that phone didn't get correct APN settings per SIM?
Thanks for support!