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Dear all,
I have a Legend with S-ON (1.01), and I used fake-flash to change ROMs. The mobile phone has been fine with a custom ROM for more than 3 months now.
Suddenly, 3 days ago, the phone rebooted while browsing settings and when it came back on, the device could not recognize the SIM card or connect to the network and get a signal.
The problem is weird because the device (a) can find networks if I search for them, (b) can make emergency calls, (c) connects normally to both wi-fi and the SIM 3G internet but does not:
- get signal (always zero lines)
- recognize the sim card (always asks me to rescan for new contacts, and the process fails)
I tried wiping everything, I tried reflashing, I tried flashing another ROM. The problem persists.
Would flashing a new RADIO potentially help? It is the only thing I have not tried.
I am really at a loss here. The device did not fall down, or had a knock or any other user damage. The problem started suddenly and i can'f find a way out of it.
Anyone who manages to find me a solution gets a paypal beer
PS: Something important is that the phone DOES know that SIM card is there, and DOES partially recognize it: I am asked to put my SIM card PIN, which is accepted correctly.
Hey
What I'd do:
1.)Try the SIM in another device - could be a SIM problem...
2.) As you are 1.01, there is no risk in Warranty repair, so unroot and send back to shop if the sim proves OK in another device..
Probably a stupid suggestion but i had at one point no service when my battery cover was not on...
When i was rooting mine, i kept the battery cover off because i was stuck so many times in the middle of running step 1... so never bothered putting the battery cover on...
after i succeeded in rooting, i still saw no service... but as soon as i put the battery cover on , i was able to pick up the network
@QkSi1ver: The Legend's antenna is located in the battery cover, which is why you would have had no reception with it removed.
LeifAlbor said:
@QkSi1ver: The Legend's antenna is located in the battery cover, which is why you would have had no reception with it removed.
Click to expand...
Click to collapse
Which could be the reason for the SIM problems : if it is not set correctly it can't communicate proper with the mobile , that's why it asks for searching for contacts ( I had a similar problem a few months ago )
no network signal!
QkSi1ver said:
Probably a stupid suggestion but i had at one point no service when my battery cover was not on...
When i was rooting mine, i kept the battery cover off because i was stuck so many times in the middle of running step 1... so never bothered putting the battery cover on...
after i succeeded in rooting, i still saw no service... but as soon as i put the battery cover on , i was able to pick up the network
Click to expand...
Click to collapse
i don´t believe it! first of all, thank u kindly for ending my nightmarish odyssey through expert forums across the globe!
that just did the trick, uber cool! and yet it sucks, because i wasted most of my sunday and half of today to solve this, wondering why nobody even mentioned connection probs.
maan, i´m tired, i´m going to bed!
Hi,
I've had my SGS2 now for around 2 months and thought it maybe be a firmware bug, but have recently upgraded to the latest via Kies which is KE4 and still notice from time to time that the my 3G just wont work.
If I try and access anything via 3G for example webpages you just get page cannot be found, but strangely enough what I have noticed the is H symbol will have a Green UP arrow active but nothing ever happens. In order for me to fix it I have to disable 3G via apndriod and then turn it back on again, as soon as this is done the 3G works as normal. Does anyone know of a fix for this?
I'm on the O2 network if that helps but I think its more than likely a bug with the firmware/phone.
Cheers in advance.
Davey
I've noticed it happen once or twice... but I just hold the power button, and then de-activate and then re-activate the connection from the popup menu. Sometimes when it has hung it can take a fair while to kill it after de-activating as well. But its literally only happened 2 or 3 times in the whole time I've had it; I've had catastrophic battery drainage more often which is a lot more annoying.
I've had the same issues on my phone aswell. I just got mine back from the repair shop and the problem still remains. The guys on the repairshop said it worked fine when they had it, but now its the same again. I dont know if it is my network operator who has problems with my phone staying online or what it is. But its damn annoying, I to have to disable / re-enable the 3G connection for it to start to work again.
I've yet to find a fix for this.. I'm on a network called OneCall, in Norway.
Any tips would be great
I had the same problem when I disabled fast dormancy.
Hello. Since about a week ago, I have this problem PERSISTENTLY. My phone is 3 months' old, I bought it new and unbranded from a store in town, and never rooted it. Only thing I did was upgrading the firmware through kies to the latest version available in my contry (KE7 if I'm not wrong). I have adroid version 2.3.3.
Well, I have found no solution to this problem that is absolutely unbearable.
I shall get rid of this phone as soon as I can because I am really annoyed by discovering problems after problems. I never had any iPhone, but I will try buying the iPhone 5 when it comes out. Hopefully it will work better. After all, it can't be so difficult to make a phone better than this one!
By the way:
I have 2 contracts with vodafone, one on this phone and.the other on a Nokia n95 8GB. Tried swapping the sim cards. Reault is that after the swap on the nokia there still are no problems whereas the SGS2 is still hanging on 3G and H.
So it isn't a problem of the operator, neither it is a problem of sim cards (also because they are different, one is 32k and the other is newer, and 128k).
Now, before throwing this absolute crap of a phone out of the window, I'd like to try a factory reset. But the question is: will I have to reinstall feom scatch every single app, after the reset? Is there a way to back up allbthe installed apps and easily reinstall them, without rooting the phone? I absolutely don't want to root the phone because I'm pretty sure I will end up selling it and so I don't want to loose the warranty.
Sent from my GT-I9100 using XDA App
Factory reset will mean you lost all data, everything on the phone that you dont backup.
But that might not fix it, your best bet is to try a newer modem, as its more a modem issue not a rom issue.
Thank you, veyka.
I just seem to habe found the solution! I disabled fast dormancy by dialing *#9900# (there's a hidden menu).
So far it's working great! It appears that my mobile network is not optimised for that protocol, therefore it must be disabled im.order to get proper internet connection.
So... anybody with this problem, try dialing *#9900# and tapping on "Disable fast dormancy" it is a fully reversible action (just in ca se...). Im fact, it cam be re-enabled at any time from the same hidde menu.
POST NOTE: No. This doesn't work. I spoke too soon...
Sent from my GT-I9100 using XDA App
This problem has been around for a while and I read somewhere that Samsung said they were working on a fix for it. I have had the problem from day 1 and it still does occur with Fast Dormancy disabled. I don't know if some of the newer Firmwares have fixed this or not. I am running official UK KF3 Firmware.
In fact, the fast dormancy trick worked only foe a short time. Now I'm back on wifi. What a disaster of a phone.
I talked to my network operator last night. They told me to go to settings->wireless and network->Mobile networks->Network operators and set it to manual, instead of automatic.
After this it seems like the problem wanished, but it might be just for now. Will test for a few days and come back to this!
Hey this is certainly a good suggestion! Maybe when signal is poor the phone starts searching for other networks and drops the connection. Good point indeed. I will make some trials as well.
Cheers
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.
Click to expand...
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)
Hi everyone!!
Some time ago there was a discussion about data only sim cards (in Japan). Basically data only SIM doesn't connect to network like normal voice sim so the os boosts radio signal in search for that (non existing) signal. Then you have a huge battery drain and phone gets hotter.
Apparently the fix was some docomo sim patcher module for xposed. The module is removed if you search in xposed but it can be found online. In all discussion I dont see nobody mentioning kitkat, only ics and jb. I saw somewhere that this problem is supposed to be solved in kitkat but its not. In kit kat there is signal bars but cell standby is high and battery drain is huge. Have in mind that this happens exactly the same on various devices ( Im now on OnePlus one).
I installed the module, and it solved the cell standby (it used to be 100% and now is much less) but time on says as long as the actual time on of the device and although battery life is better it still drinks too much battery no matter if on LTE or 3G. Mostly i notice that battery drain is way too huge when cell phone is in stand by.
Did anyone finally got around this problem? Is there some up to date fix? All I found is very outdated, and no clear solution either.
Thanks
I guess the solution is to pay a little bit extra for sms function, that way phone should connect normally to network and I think there shouldn't be no problem. Somebody please confirm if you tested. Thank you.
So turns out that patch did fix part of the problem, but now here is another problem. Patch is a xposed module and as you all know ,xposed doesnt work in Lollipop.
What is the possible workaroud?
Is there any way to change the code so that phone doesnt look for network when sim is inserted?
I get signal bars but it says no service and in battery settings network signal is red (as if signal is terrible all the time while Im actually missing only 1 bar). When I set apn lte sign appears and internet works (along with huge battery drain)
I am currently in Japan and having the same problem on my Nexus 5 and Android 5.0.1. Is anyone having a solution by now?
Thanks, would help a lot if my phone isn´t discharged after half of the day...
Well, nexus 5 and battery are not best friends to begin with. I am also on Nexus 5 currently. The best bet is to activate sms option which is only 100yen more monthly, and that way phone should register to network probably. Only problem is you have to buy sim again (at least in my case with biglobe).
You can also toggle airplane mode every time you dont use internet ,thats what Im doing right now,although wont save that much.
Interesting thing is that I didnt have that problem with HTC's 4.1.2 jelly bean..
SMS chip doesn't help
EjđiSixo said:
Well, nexus 5 and battery are not best friends to begin with. I am also on Nexus 5 currently. The best bet is to activate sms option which is only 100yen more monthly, and that way phone should register to network probably. Only problem is you have to buy sim again (at least in my case with biglobe).
You can also toggle airplane mode every time you dont use internet ,thats what Im doing right now,although wont save that much.
Interesting thing is that I didnt have that problem with HTC's 4.1.2 jelly bean..
Click to expand...
Click to collapse
I have a Nexus 4 (Android 5.0.1) and I bought one chip in BIC Camera with Line support, which means I can receive SMS (no voice). My battery is draining if the mobile network is on. The best thing I can do for now is, like you said, toggle airplane mode when I have a WiFi connection available and carry a power bank if I need to use 3G...
I have a Nexus 6P on Android 6.0.1 and use a data-only SIM card on Docomo's network in Japan (purchased from BIC camera). This issue has not been solved.
Some have claimed that a previous Android update from 4.x has solved the issue, but this is not the case. I've used multiple Android devices in Japan over the past 2 years with these "MVNO" SIM cards and every single one has the issue of battery drain. The iPhone does not have this problem.
Has anyone solved this? There was an Xposed Module fix for this, but that was ages ago and I presume it does not apply to Android 6.x.
Kaix said:
I have a Nexus 6P on Android 6.0.1 and use a data-only SIM card on Docomo's network in Japan (purchased from BIC camera). This issue has not been solved.
Some have claimed that a previous Android update from 4.x has solved the issue, but this is not the case. I've used multiple Android devices in Japan over the past 2 years with these "MVNO" SIM cards and every single one has the issue of battery drain. The iPhone does not have this problem.
Has anyone solved this? There was an Xposed Module fix for this, but that was ages ago and I presume it does not apply to Android 6.x.
Click to expand...
Click to collapse
It was 'fixed' at one point in time and then it broke again.
I made this ticket but I'm not holding my breath
https://code.google.com/p/android/i... Priority Owner Summary Stars Reporter Opened
Any progress on this? I'm in Japan with a data SIM too ....
Yanoflies said:
Any progress on this? I'm in Japan with a data SIM too ....
Click to expand...
Click to collapse
Sorry, I've left Japan a year ago and don't have Nexus anymore too, so can't help much..
Any progress on this?
Has it been fixed in Nougat?
I hope so. Going to Japan again later this year. Was a pain on my LG G4 last year. Got myself a Nexus 6P now with Android 7.1.1.
Pure Nexus ROM 7.1.2, same battery drain...
I have 0sim, which is free up to 500MB.
I can't add SMS option, because it will cost money.
Please, anyone, post some solution on Nougat for data only SIM.
My phone is rooted, but still no Xposed for Nougat. If it was some tool...
Hello
I recently purchased this phone for a family member. We set it up yesterday, and found that the sim card from their old phone that we've inserted isn't capable of allowing the phone to make/receive texts/calls. It just says something along the lines of "Can't connect to mobile network", despite showing signal bars. When I checked the connectivity bands against the mobile network's, it appeared that the phone should at least support 2G & 3G. I'm in the UK and haven't modified the ROM.
Has anyone had this issue before, and does anyone know of a fix? I've heard that some of the newer official ROMs are better for connectivity, but I don't want to flash the phone and void its warranty if the fault lies with the phone.
Many thanks
Luke
Heyyo, hmm can you please provide more information?
Link to the exact product purchased
What country and network is being used?
Does your device say x820, x821, x822 or x829 on the back of it? If not does it say what it is in the settings > about phone menu?
Can you please specify which version of EUI ROM it is running? Should be in Settings > About Phone.
As for upgrading EUI ROM versions? That will not void warranty as long as you don't have the x829 with EUI ROM 5.8.016s.... which is what I had and x829 with 5.8.016s is garbage. So many darn problems with it and has software updates disabled even via recovery update.zip... I didn't stay on it long since LineageOS 13.0 at the time officially came to the x2 heh
ThE_MarD said:
Heyyo, hmm can you please provide more information?
Link to the exact product purchased
What country and network is being used?
Does your device say x820, x821, x822 or x829 on the back of it? If not does it say what it is in the settings > about phone menu?
Can you please specify which version of EUI ROM it is running? Should be in Settings > About Phone.
As for upgrading EUI ROM versions? That will not void warranty as long as you don't have the x829 with EUI ROM 5.8.016s.... which is what I had and x829 with 5.8.016s is garbage. So many darn problems with it and has software updates disabled even via recovery update.zip... I didn't stay on it long since LineageOS 13.0 at the time officially came to the x2 heh
Click to expand...
Click to collapse
Thanks for your reply
This is where I ordered it from: LeTV LeEco Le Max 2 X820 5.7 inch 4GB RAM 32GB ROM Snapdragon 820 Quad core 4G Smartphone
I live in the UK and the phone's using a Tesco Mobile SIM
The device is the X820
I don't have the phone with me right now, but I believe the EUI is 18s
I wasn't aware upgrading the ROM version didn't affect the warranty, that's nice to know
Hallo,
I believe I might have the same problem with the mobile network. In my case, I am quite certain that the battery is the problem. I got the phone some weeks ago, but I assume it was laying around for quite some time, which might be not very beneficial for the battery? Anyway, the voltage should be 4.4 V after loading and as long as the voltage stays above about 4 V, I have good data connection. But after a while, the voltage drops below 4 V and I do not have any connection anymore, despite showing all signal bars! Is it possible, that you see a similar behavior with your phone? If you load it on a charger, does your data work?
Peter_Kroetz said:
Hallo,
I believe I might have the same problem with the mobile network. In my case, I am quite certain that the battery is the problem. I got the phone some weeks ago, but I assume it was laying around for quite some time, which might be not very beneficial for the battery? Anyway, the voltage should be 4.4 V after loading and as long as the voltage stays above about 4 V, I have good data connection. But after a while, the voltage drops below 4 V and I do not have any connection anymore, despite showing all signal bars! Is it possible, that you see a similar behavior with your phone? If you load it on a charger, does your data work?
Click to expand...
Click to collapse
I personally do not experience this but I'm 100% sure that the voltage from the battery should stay around 4V. If this happens try turning on the battery saver and dimmer your screen so you can spread the battery load. Maybe it will work idk.
LameMonster82 said:
I personally do not experience this but I'm 100% sure that the voltage from the battery should stay around 4V. If this happens try turning on the battery saver and dimmer your screen so you can spread the battery load. Maybe it will work idk.
Click to expand...
Click to collapse
You are probably right in saying that the voltage should stay around 4 V. This is probably the case for new or at least well aged batteries. However, that seems not to be the case of my battery. According to the App that reads out the voltage, it sometimes drops to values as low as 3.6 V. Sometimes, the voltage recovers a bit, but typically, not enough to enable data connection, for which I believe to need at least around 4 V to work (reliably!).
Peter_Kroetz said:
Hallo,
I believe I might have the same problem with the mobile network. In my case, I am quite certain that the battery is the problem. I got the phone some weeks ago, but I assume it was laying around for quite some time, which might be not very beneficial for the battery? Anyway, the voltage should be 4.4 V after loading and as long as the voltage stays above about 4 V, I have good data connection. But after a while, the voltage drops below 4 V and I do not have any connection anymore, despite showing all signal bars! Is it possible, that you see a similar behavior with your phone? If you load it on a charger, does your data work?
Click to expand...
Click to collapse
Thanks for replying, and sorry for my late reply.
I've tried making calls with the battery at full charge, but I get the same result. It's really peculiar...
Luke25361 said:
Thanks for replying, and sorry for my late reply.
I've tried making calls with the battery at full charge, but I get the same result. It's really peculiar...
Click to expand...
Click to collapse
I purchased a X820 from China (TomTop.com) and the junk had an EXTREMELY LOW signal.I NEVER received network signal at home.I have to go near a cell tower to get signal,as soon i drive away from the tower (around 5 blocks)i lost signal and could not make or receive calls..Remember that the company LeEco went out of business and the phones we buy today are NOT made by LeEco but are made by many private factories in China and in reality are cheap clones.I send the junk back and purchased a X829.Now i have very good signal and connection never dropsJust return your phone is defective..Here is a video i had to send to tomtop.com in order to get a refund.
https://www.youtube.com/watch?v=NIOky1pjXKw&t=496s
Peter_Kroetz said:
Hallo,
I believe I might have the same problem with the mobile network. In my case, I am quite certain that the battery is the problem. I got the phone some weeks ago, but I assume it was laying around for quite some time, which might be not very beneficial for the battery? Anyway, the voltage should be 4.4 V after loading and as long as the voltage stays above about 4 V, I have good data connection. But after a while, the voltage drops below 4 V and I do not have any connection anymore, despite showing all signal bars! Is it possible, that you see a similar behavior with your phone? If you load it on a charger, does your data work?
Click to expand...
Click to collapse
I have exactly the same problem when the phone's battery level goes around 70% (~4v).
i.e. when battery drops below 70%, the network signal shows LTE with around 3 bars but there's no network connectivity and can't make/receive phone call. But as soon as I plug in the charger, everything works perfectly! This happens on all ROMs.
I wish there is a solution for this.
same problem for me .....
Today ,
NO WAY to have working Network mobile on a Leeco LE 2 x526 with last stock rom 28s installed on it. NOW i can call on 3G but no voice ,,,,, but i can't be called. .....after restart with / without APN / searchable 3G/4G network Digi.Mobile ...signal is lost and is cost me allot of time and energy . i even lost any hope .....(coul be a hardware problem ?)
Operation made until now
1.install 3 stock roms 19 , 21 and 28
2.install another 6 custom roms 6,7,8.1(miui , havoc, lin14.1 , 15.1, aosp extended ,Bootleggers. RR , Cr ,Small_EUI ,purenexus,cuoco )
3.reset SIM 1+2
4.sparse india image
5.write lost IMEI
6.write new baseband with DFS
7.flash modems firmware (MPSS (56347 , 61295 , 66782 and 68083))
8.try other Carrier SIMS ..... same problem
9.check any carrier server service ...nope
etc (rewrite a qcn file . different APN config , twrp 3.0.2.0 ydss )
I have real problems .....i need help (maybe someone have same problem or has read more infos from so many forums )
The same problem.
Only one person with name AGATSU83 something like this find the solution , and the solution never post it.
He help him LAZYE.
BUT I NOT UNDERSTAND he give us one site in russia and he told us that he find the solution.
I READ AND READ AND READ .........
BUT NOTHING.....
I BRICK MY PHONE 20 TIMES AND NOTHING.
MAYBE ONE DAY I FOUND THE SOLUTION AND I POST IT.
With a new battery we Can solve the problem? Anyone try it?
Luke25361 said:
Hello
I recently purchased this phone for a family member. We set it up yesterday, and found that the sim card from their old phone that we've inserted isn't capable of allowing the phone to make/receive texts/calls. It just says something along the lines of "Can't connect to mobile network", despite showing signal bars. When I checked the connectivity bands against the mobile network's, it appeared that the phone should at least support 2G & 3G. I'm in the UK and haven't modified the ROM.
Has anyone had this issue before, and does anyone know of a fix? I've heard that some of the newer official ROMs are better for connectivity, but I don't want to flash the phone and void its warranty if the fault lies with the phone.
Many thanks
Luke
Click to expand...
Click to collapse
I believe your phone is a X829. Someone installed the X820 firmware to sell it easier. It doesn't have Band 20 for 4G. Tesco mobile is working on O2 network and they're using Band 20 for 4G network. Despite that it should work on 3G. In my opinion you should install a custom ROM and check things there...
gagas1 said:
I believe your phone is a X829. Someone installed the X820 firmware to sell it easier. It doesn't have Band 20 for 4G. Tesco mobile is working on O2 network and they're using Band 20 for 4G network. Despite that it should work on 3G. In my opinion you should install a custom ROM and check things there...
Click to expand...
Click to collapse
Ended up just being too frustrating, so we returned it for a refund & bought a different phone instead...
It's a shame, aside from that one issue it seemed to be a great phone, especially for the price
Luke25361 said:
Ended up just being too frustrating, so we returned it for a refund & bought a different phone instead...
It's a shame, aside from that one issue it seemed to be a great phone, especially for the price
Click to expand...
Click to collapse
I made the mistake and only got a partial refund.. Didn't know it had the focus issue... At least I got nearly half the money back. Network is working fine as I'm on Three..
Got a new Le X526. Always telling me server erroranytime I try to browse on anything but I have full network