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!
Related
Hi there.
I need help with my Hero.
Two weeks ago it got water damaged. I dried it out, and got it all working again (this surprised me), but then on Thursday it stopped connecting to my network (T-Mob UK), giving a Your SIM does not allow connections to this network error.
Now, the radio works as far as I can tell - I can connect to Wi-Fi fine, and when I go to chose your network section it shows me T-Mob, Orange, O2 and Vodafone, so I think the GSM etc. radios are working.
I've tried putting it in my old SE handset, but that has a ****ed Radio, so not got anything conclusive. But it has received messages, so I'm not sure if it is the sim directly at fault.
I've also tried to use an O2 sim in the hero (unlocked) to no luck.
So I would guess its something wrong with the connection between the sim slot, and the sim, or between the slot and the main-board.
But is there anything I can do to test this? Any recommendations for repairs?
Thanks
[phew that was a long post]
Branwen said:
Hi there.
I need help with my Hero.
Two weeks ago it got water damaged. I dried it out, and got it all working again (this surprised me), but then on Thursday it stopped connecting to my network (T-Mob UK), giving a Your SIM does not allow connections to this network error.
Now, the radio works as far as I can tell - I can connect to Wi-Fi fine, and when I go to chose your network section it shows me T-Mob, Orange, O2 and Vodafone, so I think the GSM etc. radios are working.
I've tried putting it in my old SE handset, but that has a ****ed Radio, so not got anything conclusive. But it has received messages, so I'm not sure if it is the sim directly at fault.
I've also tried to use an O2 sim in the hero (unlocked) to no luck.
So I would guess its something wrong with the connection between the sim slot, and the sim, or between the slot and the main-board.
But is there anything I can do to test this? Any recommendations for repairs?
Thanks
[phew that was a long post]
Click to expand...
Click to collapse
If it is definitely the phone and not the Sim, you would be best off getting it professionally acid bathed or what ever a phone shop suggests, the back street unlocking ones would normally do it for £15 and that should sort any oxidized solder joints out that could be causing the issue.
If you want to do it your self then take all the screen and bits off your self, lay the main board in ethanol for 12 hours then let it drip dry, give it a gentle buff with a cotton bud and re try! This is just a suggestion so don't go blaming me when you phone explodes!!
Hi,
I got an X10i from UK Vodafone, and upgraded its firmware in India through SEUS, and it was clean installation to R2BA026, but the moment I started using it, every time I use some app the phone switches off. Its very inconsistent.
I tried below with no luck
reinstall
removed some apps
Killed some apps
I worried that many in talk.sonyericsson.com/message/10001 say that its hardware issue, but I dont think so.
Can anyone help with some solutions?
Mod's please move this if this is not the right place to post this.
Have you tried to OTA update your x10? If this won't work you may should root your phone or try to downgrade it to an older firmware!
SE will launch eclair soon, this will also fix phone!!!
I got exactly the same here. Phone reboots in a loop or even crash without a reason. Sometimes it couldn't come up, while activating SIM / phone. After that message appears the phone is still in loop and reboots again.
I am going to downgrade now to 024 firmware. It's driving me crazy...will post if I have luck.
Well I figured out, that the problems we have are a bit more strange as expected. I read that the problem is because of the overheated battery. Once happend, the battery isn't working properly anymore. So only SE Customer Service can help. Today I'm going to a Sony store to explain my problem with the phone. Hope I'll have luck.
I nearly forgot to post the details: http://talk.sonyericsson.com/message/12816#12816
I got the same problem and tried everything to fix it but nothing helped. As soon as mobile switches on it restarts and goes into a boot cycle.
I figured out that the mobile restarts mainly when it needs to read something from the sim card. I swapped my old sim with a new sim and found that the restart problem was solved instantly. I tried again with another bad sim and the restart loop starts again.
Bad sim cards slide into the sim card slot very easily and hence the pins connection are loose which tends to make the mobile unstable while reading or writing from/to sim.
The easy method to solve this problem is by making the sim a little thick by sticking a piece of paper on the back side of sim.
From my personal experience bad sim is main cause of restart cycle.
Try to swap sim cards, if it works let us know.
Thanks
Hi,
Thanks for the details.
I tried both the sim cards, I have GSM Vodafone, and BSNL 3G, both has the problem, very similar.
The same worked earlier with R1XXXX very well.
However, will try the Sim trick with a paper on the back side, which afix the sim tightly.
Thanks,
Naveen.KK
Hi,
I have tried the sim trick with no luck.
Some one help.
Thanks,
Naveen.KK
its not related to sim or firmware
it is not related to sim or software, it might me with some handsets but it is completely a hardware problem...dont believe me use your phone without sim and memory card and play some game or just keep on playing with your phone
it will turn off and you have to remove battery for few seconds otherwise it wont start
this topic is covered on sony site mentioned above and other threads, this is not just happening to me or some of us...its with many of us
changing firmware, sim , memory card tried everything no luck
m using iphone now and miss big x10 screen and better colors
One week ago I sent my phone to SE. I'll get a report with my X10 back. So till now I don't have heard nothing from SE. I'll tell you what's in the report, if I get it back. By now I am playing with my oldschool N80 :-(
Hi I observed one thing weird here.
I have reset the mobile, and when it asked for APN settings, i disabled MMS&data, phone seems to be working little stable, goto check for some time, and try playing games on it.
Thanks,
Naveen.KK
naveen.kk said:
Hi I observed one thing weird here.
I have reset the mobile, and when it asked for APN settings, i disabled MMS&data, phone seems to be working little stable, goto check for some time, and try playing games on it.
Thanks,
Naveen.KK
Click to expand...
Click to collapse
The MMS and Data settings seem to be the problem.
When I used my old sim which was disabled, it worked fine with everything. When I enable my APN and MMS settings in my new sim and start browsing the net and downloading stuff it restarts there.
I think the problem is somewhat related to internet browsing on mobile.
What app do you use to browse internet on your Xperia?
Hello,
I have a random/erratic problem with my SGSII reporting that the baseband is unknown and no IMEI being present.
It happens randomly through the night, or if the phone reboots itself, the signal icon changes to a circle with a line through it, and no network connectivity works (except for WiFi).
I've backed my \EFS up previously and restored that with no luck, re flashed my modem with no luck.
Usually the fix is to reboot the phone a few more times and eventually it comes back on.
I've got an app called 'network' which gives me various stats on the connectivity type etc (from my nexus one days) under 'Set preferred network type: I have an extra entry called 'Unknown' which gets selected by the phone, and changing this to one of the GSM variants doesn't have any effect.
Like I said, it's random and not much of a show stopper right now since I'm thinking it's a software problem. I don't want to RMA my handset just yet.
I have seen some other threads where people seem to have this permanently and there are no resolutions provided in the threads.
Has anyone else experienced this?
Kind Regards,
Chris.
I m relieved to know someone else also has this problem. Last Sunday my handset just hanged on lockscreen, so I pulled out battery, reinserted it and sim stopped detecting, so I tried couple of restarts, factory resets still nothing. So flashed firmware a couple of times still nothing. So when I checked if firmware was flashed correctly, the baseband was showing unknown and IMEI was completely blank. Handset is still in warranty so I don't want to take any chances, I am sending it in on Monday. Will keep you posted on what happens. Let me know if ur problem is solved.
Phone started regularly reporting that the SIM wasn't inserted so a quick phone call to O2 and a courier is coming to pick the handset up tomorrow.
Still under warranty so they should be able to fix/replace it.
Pain in the backside though to back up everything and then reinstalling it again when it comes back (either repaired, or a new/replacement one)
Right,
I got it back.
Apparently they identified it as a faulty SIM card slot. I was sceptical of this at first, but I persevered with it.
Surely enough, 1 day into using it, the same happened.
Back to the repair centre with photographic evidence of the problem.
Same happened to me a few night ago, removing the sim and re-inserting it fixed the problem for me.
I haven't seen it again yet.
I was on the stock firmware and insecure kernel.
me too... never been update or using any clockmod firmware..it just suddenly happen... any other way to fix this...
I'm also having the same problem for days now. My phone is full stock, never rooted it, never installed and unsecure kernel.
It randomly loses IMEI, Baseband and GSM signal. Sometimes it comes back after rebooting phone, but sometimes it seems to be permanent.
Hi guys,
First post so please bear with me...
The phone was dropped recently and screen smashed up badly.
Replaced screen and thought all was working fine until tried to make a call/send a message when I discovered that the phone had no network access...
Here's the diagnostic process I've been through...
Wifi works100%
Sim works in other phones
Other sims don't work in this phone.
Checked the antenna assembly to ensure contacts okay
Sim definitely reading - able to read sim contacts
Switched to airplane mode, reboot, turn back on - no luck
Searched for networks manually - no networks found at all. Another phone (samsung galaxy gio) finds all three (Optus, telstra, Vodafone)
No networks detected automatically either
No network detected using 2g only
So, if my wifi is working fine, that should rule out an antenna issue which to me indicates a hardware fault with the network side of things...
Is there a way to verify this is actually the case? And if so, is there a way to repair/solve it without doing a motherboard replacement???
Here was I thinking that it would be a cheap, easy repair... :/
Philbo29 said:
Hi guys,
First post so please bear with me...
The phone was dropped recently and screen smashed up badly.
Replaced screen and thought all was working fine until tried to make a call/send a message when I discovered that the phone had no network access...
Here's the diagnostic process I've been through...
Wifi works100%
Sim works in other phones
Other sims don't work in this phone.
Checked the antenna assembly to ensure contacts okay
Sim definitely reading - able to read sim contacts
Switched to airplane mode, reboot, turn back on - no luck
Searched for networks manually - no networks found at all. Another phone (samsung galaxy gio) finds all three (Optus, telstra, Vodafone)
No networks detected automatically either
No network detected using 2g only
So, if my wifi is working fine, that should rule out an antenna issue which to me indicates a hardware fault with the network side of things...
Is there a way to verify this is actually the case? And if so, is there a way to repair/solve it without doing a motherboard replacement???
Here was I thinking that it would be a cheap, easy repair... :/
Click to expand...
Click to collapse
If you want it free of cost so first try flashing new firmware via odin and then check it if not then give it to service centre !:good:
Make sure you're using a stock rom just in case it is a software problem, but it looks like a hardware problem to me. I recommend taking it back to the repair centre where you got your screen replaced.
I don't think it is possible without a motherboard replacement.
Not sent from a ACE but a CooperVe using Tapatalk 2.
thanks
I think I'll do a total strip down again just to make doubly sure that i've got absolutely everything connected in the right place and then if it's still not resolved, I'll look at sourcing a motherboard through some chinese friends...
The phone was actually purchased when in china, and as a result I had to flash it with an Aussie rom to get the google back in android. It's all worked fine since then until dropped which makes me think it's hardware related. problem with buying it in China is that I can't seem to find a motherboard online for it galaxy ace 5830i (the 'i' is the problem... can find plenty of 5830 mobos but seems the consensus is using a 5830 mobo will brick the phone...)
Oh well, thanks for the advice guys.
Even i had the same problem, but i solved it by flashing a stock ROM. You can try that or flash a stok kernel
recently I also had this same problem, even installing the stock rom did not solve, so I researched in several places and saw what could be problem with the IMEI, I did the whole process of repair IMEI and my phone is back to normal , try this method:
http://forum.xda-developers.com/showthread.php?t=1968360
Sent from my GT-S5830i
So...
I pulled it apart again to double check everything and noticed that the cell chip had come disconnected from the mobo upon impact and was only attached by three copper strips. After staring at it under a bright light for a while (no magnifying glass was to be found!), we stuck some super glue under it and tried to dry contact all the points... but it still didn't work.
However... after talking with a mate who's into circuit boards, he suggested that I try putting the mobo in the oven at 350 deg for 15 min to resolder all the joints as they use low-temp solder on these sort of boards.
I've got nothing to lose, so will be giving this a try when I get a chance and see if this brings it back!
I'll post back my results.
Yeah, and I recommend using a fine tip on your soldering iron just to be safe.
Not sent from a ACE but a CooperVe using Tapatalk 2.
Ok u flashed a rom and have No SIM inserted or no service or that kind of error.I found this fix trying out things for myself.Take out your SIM card ,turn on airplane mode,reinsert it and turn off your phone(not reboot but power off).Wait for 1 minute and power it back on.Tada!Should be fixed!:fingers-crossed:
Thank you!
Thank you so much! I was worried I was going to have to try one of the more complicated fixes I've seen here. I was puzzled because after performing Joseph230's procedure to root and "convert" an S4 from AT&T to T-Mobile (http://forum.xda-developers.com/galaxy-s4-att/general/convert-i337-to-m919-wifi-caling-t2896719) everything seemed fine and I reinstalled all my apps. Then, I get the "No SIM inserted" error out of nowhere!
After much researching I was losing hope of finding a fix guaranteed to work. Then I found your post and it worked like a charm! :highfive:
robermaldo
Thank You
Im so glad that this worked because I was losing hope that my imei or something was broken and I git scared then I found this and it actually worked I thought it was because 5.1.1 or something anyways thanks for the help I actually loged in my XDA account just to post that cause I just always use the browser
A coworker brought me his G2 that I have taken apart to fix many times before because it was having problems charging and turning on (black screen; rhythmic buzz from the vibration motor). I worked around that to get it booted temporarily but then the SIM connection seemed to suddenly fail. I replaced the motherboard entirely because some charge/power issues persisted and everything works perfectly EXCEPT that the replacement also doesn't see the SIM. Both are running stock LG Verizon Lollipop (assumed installed by OTA). No one was playing around with alternate ROMs or anything. None of the fixes in this thread help. The SIM slot is on the board so I hesitate to assume that the charge, mic, headphone flex PCB has something to do with it, but it is the only major common component (even replaced the screen again along with the battery, speaker, etc while leaving out useless components). Any suggestions?
Long version:
After a previous screen replacement it would only buzz when attempting to turn on or buzz repeatedly when attempting to charge until I loosened the black screw near the battery connector. I definitely narrowed it down to that particular screw, though I still couldn't say why (the previous tech who replaced the screen may have shorted the battery terminal near there). When he brought it back to me it was doing the same thing again even with the screw completely removed. Within minutes I had it booting just by poking around. Not sure what I did but I had to take it apart and poke around again to get it to come on after making the mistake of turning it off (went right back to buzzing). I'm pretty sure that the SIM card worked because he received a couple text messages when I first got it turned on (phone hadn't been booted in a day). After getting it to turn on I had to leave it on while reassembling, so I put the SIM tray back in when I was done. The owner was watching and asked why the status bar showed an "X" on the signal strength, so I told him that it was because you had to reboot after reinserting a SIM on most Android devices (as opposed to dual-SIM and iPhone devices). Though I couldn't turn off without causing the power problem, I could safely restart. Unfortunately, restarting only gave me the "Insert SIM" message at boot and nothing I could do would get it to see the inserted SIM. I tried many SIM cards but none worked. I replaced the motherboard expecting it to be a solution to both problems but only the power problems went away. The SIM card issue remained even though the SIM slot is built into the part I replaced and the part I purchased is supposed to be guaranteed, tested, clean IMEI, etc. I'm at a loss. I've taken out every unrelated component and replaced the screen again and replaced the battery so about the only thing that is common is the flex PCB with the mic, headphone jack, display connectors, etc running through it. Not sure how that could be a factor, but I'm replacing it too. In the mean time, does anyone have any suggestions for what could be wrong?
Update: A new mic/USB/headphone flex PCB fixed it. I'm not sure how that can cause the SIM card to not be detected, but I conclusively tested and that was definitely the problematic component: No SIM card detected on either motherboard with the old flex PCB, SIM card detected fine on both motherboards with the replacement flex PCB.
hackarchive said:
Ok u flashed a rom and have No SIM inserted or no service or that kind of error.I found this fix trying out things for myself.Take out your SIM card ,turn on airplane mode,reinsert it and turn off your phone(not reboot but power off).Wait for 1 minute and power it back on.Tada!Should be fixed!:fingers-crossed:
Click to expand...
Click to collapse
thanks bro fixed d801
This solution is great! Thanks for sharing!!!
Thnx a lot ! worked ..
CZroe said:
Update: A new mic/USB/headphone flex PCB fixed it. I'm not sure how that can cause the SIM card to not be detected, but I conclusively tested and that was definitely the problematic component: No SIM card detected on either motherboard with the old flex PCB, SIM card detected fine on both motherboards with the replacement flex PCB.
Click to expand...
Click to collapse
Hello, is your LG G2 still working with the new PCB flex?
Thanks a lot, this solution worked for me ?
i've done flash rom on Mtv Slash 3G 512 RAM Tablet, but no sim detected ....& i've followed your suggestion but no solution made...!!!
I had spent more than one month using CM13 based ROM thinking its ROM based issue. but this resolved the issue.
But now no sim issue has been resolved yet no mobile signals are working...
I have a vs980 or the Verizon lg g2. It bought it unlocked and I use T-Mobile. The data worked when I was on the stock os. I then got cm13 and everything worked good accept it wouldnt see my sim card or it would say no signal. And it had no info on the sim card in the about phone settings. So I tried a few other nightlys and nothing worked. I went down to cm12 and still I got the same error. I tried what you said here multiple times and it doesn't seem to help. Any help would be greatly appreciated. Thanks
Trystar360 said:
I have a vs980 or the Verizon lg g2. It bought it unlocked and I use T-Mobile. The data worked when I was on the stock os. I then got cm13 and everything worked good accept it wouldnt see my sim card or it would say no signal. And it had no info on the sim card in the about phone settings. So I tried a few other nightlys and nothing worked. I went down to cm12 and still I got the same error. I tried what you said here multiple times and it doesn't seem to help. Any help would be greatly appreciated. Thanks
Click to expand...
Click to collapse
I found a fix! Go into settings and select Mobile networks. When your in there there should be a "preferred network type" change that to global and there you go. Now I couldn't get that to work on cm13 because the settings would crash when you try to go into mobile networks. But I got it to work on cm12 just fine
dear sir. I have samsung galaxy grand duos i9082. i have installed custom rom 5.1.1 but after booting with new custom rom no sim card is coming. i have seen your valuable method and done as u said but it is not working on my phone. i have tried two to three time but no. i don't know how to fix it. Sir I have tried all custom rom cm12,cm13, 600, 4.4.4. but in all custom rom i found no sim card. i dont know what to do?
How you can remove SIM without battery?
But I can't take my SIM OUT WITHOUT TAKING OUT THE BATTERY!!
hackarchive said:
Ok u flashed a rom and have No SIM inserted or no service or that kind of error.I found this fix trying out things for myself.Take out your SIM card ,turn on airplane mode,reinsert it and turn off your phone(not reboot but power off).Wait for 1 minute and power it back on.Tada!Should be fixed!:fingers-crossed:
Click to expand...
Click to collapse
I have a galaxy note 3 -n900 I flashed CM13 after which my phone keeps saying SIM removed/inserted... And I can't remove my SIM without taking out my battery. Also my IEMI no. is correct. So no problem there
THANKS!!!
I've spent the last three weeks dealing with various radio bugs and issues, clearing preferences, wiping caches, factory resetting, and installing clean ROMs. All it took is to set the thing into airplane mode? You've got to be kidding me!
Thanks a lot for the solution hackarchive! :good::good::good:
hackarchive said:
Ok u flashed a rom and have No SIM inserted or no service or that kind of error.I found this fix trying out things for myself.Take out your SIM card ,turn on airplane mode,reinsert it and turn off your phone(not reboot but power off).Wait for 1 minute and power it back on.Tada!Should be fixed!:fingers-crossed:
Click to expand...
Click to collapse
hey bro i have LG G Pro 2 and i am facing this problem right now.
I cant remove sim without removing battery.
So please help me here.
sim no detection on leeco le2
Your solution not working on my leeco le2 . please suggested me another solution.