[Q] WT19i reboots when GSM mode is activated - Sony Ericsson Xperia Mini, Mini Pro, Xperia Pro, A

I was on the phone with my girlfriend, when suddenly my device rebooted. I attempted to call her again, but it rebooted again even before the call screen loaded. Afterwards, my phone endlessly rebooted when it finds signal. I tried re-flashing with Flashtool, but it didn't work. Apparently, this occurs when it is on GSM mode. Is there anyone who knows how to fix this?
NOTES:
My bootloader is unlocked (warranty void)
SIM card works fine on other phones

UPDATE
Everything is fine on WCDMA mode, but when 3G signal is lost and it reverts back to 2G, the bootloop happens again.

sixaidee said:
UPDATE
Everything is fine on WCDMA mode, but when 3G signal is lost and it reverts back to 2G, the bootloop happens again.
Click to expand...
Click to collapse
May be the issue with the your Network IC. Cause I faced a similar situation. When the Airplane mode is enabled, Phone works fine. But When it is disabled, the phone reboots.
Not sure this issue is related to you or not. Just a suggestion :good:

anthonythangaraj said:
May be the issue with the your Network IC. Cause I faced a similar situation. When the Airplane mode is enabled, Phone works fine. But When it is disabled, the phone reboots.
Not sure this issue is related to you or not. Just a suggestion :good:
Click to expand...
Click to collapse
Well, damn. Everything just got worse - it reboots even when on airplane mode. It happened while I was playing Minecraft. Now, the phone reboots every time, regardless of signal or anything. I guess I had better replace my beloved phone. :crying:

Did you try to reflash stock firmwire with flashtool or maybe a custom Rom? That usually solves things....
Sent from my SK17i using Tapatalk 2

Related

No service - problems

I have a problem with LG Optimus One 10Vn
From time to time it loses signal completly and won't come back only if i reboot the phone.
I've restored to factory but it didn't solved the problem
And i'm not the only one with this problem a colleague has the same problem
No service
Hallo,
I also struggled with this problem. From time to time the phone lost the connection to the german provider T-Mobile. Seems to be a problem with some Micro-SIMS.
I upgraded the firmware vom V10A to V10C, which cured the problem for me so far!
Regards
Hans
I have the latest FW V10N
i have the same firmware and no problems so far ... installed it about 4 days ago , data connection works fine connected 24 / 7 no signal problems at all .
This happens only if i loose the signal then it won't come back only if i reboot the phone
I also encountered this issue a couple of times a few weeks ago, hasn't happened since, to get service back i just turned airplane mode on and off. Don't really know what made it stop. (Vodafone Romania)
If it still does that try a hard reset and if it doesn't work go to vodafone and tell them to exchange it @ warranty ... Dar sa fii mai cu tupeu ca romanii nostri sunt nesimtiti la garantii
Sent from my LG-P500 using XDA App
i did try with the airplane mode but it doesn't work
and i did the hard reset part like 3 times already
it i'll get that error again i'm going to warranty to get another one
Had the same problem. Phone was working fine, came back one day to find it shut off and [no service]. Nothing worked, airplane mode, complete wipe.. nothing.
I was about to return it when I tried one last thing..
Wifi and Networks->Mobile network settings->Network Operators->Search networks
fixed it.
Hmm then it seems like an OS bug. If the signal drops it won't search for it again
What nerwork are you on ? It's weird i never had this problem ...
Sent from my LG-P500 using XDA App
.............. Vodafone ..............
I'm having the same problem.
sometimes it looses signal and won't come back until rebooting.
Turning plane mode on/off won't solve the problem. Neither searching for networks like some one said. It finds all carriers available but won't connect to any of them. Only rebooting gets signal again, which is a bit frustrating.
My fw is v10a... I think this is the last one available in my country
Sent from my LG-P500h using XDA App
cryptow said:
I'm having the same problem.
sometimes it looses signal and won't come back until rebooting.
Turning plane mode on/off won't solve the problem. Neither searching for networks like some one said. It finds all carriers available but won't connect to any of them. Only rebooting gets signal again, which is a bit frustrating.
My fw is v10a... I think this is the last one available in my country
Sent from my LG-P500h using XDA App
Click to expand...
Click to collapse
What's about SIM card? Do you have it long? I heard about some problems, if somebody had too old SIM card.
The_ERROR said:
What's about SIM card? Do you have it long? I heard about some problems, if somebody had too old SIM card.
Click to expand...
Click to collapse
It has at least 7 years. Maybe I'll try to get a new one to see if it works.
Sent from my LG-P500h using XDA App

[Q] T959 requires restart for data to work

Hi, I've noticed that sometimes when I go into a weak signal area (buildings, underground, etc.) and the data drops off, whenever I go back to an area with a strong signal, the data symbol does not reappear and data does not work. Once I restart the phone, everything works fine. Not the biggest fuss, but if there's a fix for it, any help would be greatly appreciated.
what rom are you running?
what kernel are you running?
what modem are you running?
try toggling from airplane mode and then see if data comes back.
Sorry for the late reply, but the problem seems to be nonspecific to a ROM, kernel or modem. I've tried most of the 2.2 and 2.2.1 ROMs hanging around in the Dev forum, and I have been able to repeat the issue for all of them. Turning the phone to airplane mode and reverting does not work, it requires a full restart.
The problem may in fact be with my carrier, as I'm actually using the Vibrant in Canada on Mobilicity, which does not officially support the phone. However, I have not heard reports of the same issue. As I said, it is not overly major, but any more input would be appreciated.
I have the same problem in the past, first I changed sim card to my carrier because they said that that's the one causing the problem but that didn't helped at all.
So I try different modem, still no good. I stayed away from kb1 kernel and now I don't have that problem anymore.
You should try using a stock 2.1 rom or JI6 too.
Sent from my SGH-T959 using XDA App

Anyone having any issues with 3G/2G switching?

I was just wondering if anyone has had trouble switching from 2G-to-3G and back? I'm on Orange and once I'm on 2G it won't budge to 3G or H.
I know the signal is there as when I force the phone into WCDMA only mode it picks up 3G but if that's not available it's obviously not able to switch back down.
Update: Okay, I've done both a soft and hard reset on the phone, switched it to WCDMA and back to Auto several times, pulled the battery out to do a few cold reboots, selected 'Orange' as my carrier manually and I'm STILL not picking up 3G after I've gone down to 2G. I don't really want to flash my phone via Odin as there's no guarantee it will work and I don't want to lose updates via Kies.
Any idea that to do?
Update 2: Just re-flashed using Odin as per the guide and it still doesn't work.
I really don't know what to do now
Update 3: After all of that it looks like it was bloody Orange's fault! There is a fault with the 3G in Bristol which is forcing people to use WCDMA only for now. Hopefully it'll all be fixed by tomorrow and I nabbed a fiver off 'em.
I Have Asked My Frnd About your problem! my frnd hasnt yet faced any problem !
There are extensive threads in this forum regarding 2g/3g switiching issues or connectivity issues..try and search it, maybe yours is having the same problem.
Sent from my GT-I9100 using Tapatalk
Also had this problem once.. A reflash fixed it
Skyline92 said:
Also had this problem once.. A reflash fixed it
Click to expand...
Click to collapse
Oh not a-bloody-gain! They've already replaced my phone for another one and now I have to reflash?! I'm getting a little sick of this phone (or rather its software) now.
Sent from my GT-I9100 using Tapatalk
Okay, I've done both a soft and hard reset on the phone, switched it to WCDMA and back to Auto several times, pulled the battery out to do a few cold reboots, selected 'Orange' as my carrier manually and I'm STILL not picking up 3G after I've gone down to 2G. I don't really want to flash my phone via Odin as there's no guarantee it will work and I don't want to lose updates via Kies.
Any idea that to do?
Just re-flashed using Odin as per the guide and it still doesn't work.
I really don't know what to do now
I've the same problem phone won't automatically switch to 3g unless i change it to WCDMA only. My last phone a i8910 would automatically switch to 3g for internet access if available the s2 doesn't......

com.android.phone problem

Evertime I startup my phone with wifi on, the com.android.phone process crashes. I'm not able to connect to mobile network or enter my sim pin. If I boot the phone without wifi enabled, it boots normally. I've tried several factory resets, but the problem is still there. I've also tried changing simcard.
Anyone else with this problem, suggestions? I'm afraid I'll have to return it for repair/exchange.
Btw this is a XT910, european version.
Sent from my GT-I9100 using xda premium
alicewonde said:
Evertime I startup my phone with wifi on, the com.android.phone process crashes. I'm not able to connect to mobile network or enter my sim pin. If I boot the phone without wifi enabled, it boots normally. I've tried several factory resets, but the problem is still there. I've also tried changing simcard.
Anyone else with this problem, suggestions? I'm afraid I'll have to return it for repair/exchange.
Btw this is a XT910, european version.
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
Yup I sometimes have the same issue, but not all the time. I just normally reboot and its sorted. Bit of a pain but not a major issue to me and since I installed the update its not happened yet. UK unbranded handset
Sent from my XT910 using xda premium
update? is that the one mentioned in the dev forums? Any idea if its going to be pushed over the air or is it only available via manual update?
(sorry to hijack, I also get this issue but rather than rebooting I go into the mobile network settings and just get it to scan for cellular networks and it usually comes back)
Yep, the leaked OTA update for the GSM RAZR in the dev forums does fix this issue - at least, it has for me so far. Also fixed a bunch of others I had.
Sent from my Motorola RAZR
cool.. any idea when its coming officially?
Your guess is as good as mine. Didn't initially sit too well with me since we don't have a shipped ROM to flash back to, but I figure, when an official OTA does hit, we can just flash it over this one.
Sent from my Motorola RAZR
ok, no worries.. will wait patiently with fingers crossed .. Phone working ok apart from a few quirks and at least we know there's at least some update out there (which hopefully moto won't scrap)
alicewonde said:
Evertime I startup my phone with wifi on, the com.android.phone process crashes. I'm not able to connect to mobile network or enter my sim pin. If I boot the phone without wifi enabled, it boots normally. I've tried several factory resets, but the problem is still there. I've also tried changing simcard.
Anyone else with this problem, suggestions? I'm afraid I'll have to return it for repair/exchange.
Btw this is a XT910, european version.
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
Had the same issue. Restarting without the wifi solved the problem. Thanks for the tip. Looking forward for an official fix!
Try clear data of phone app. It should solve the issue. If not. Creat a back up then factory reset.
I wgot this problem when update the phone and this way help.
i have the same issue. if this message comes, it wont get any cell connectivity at all. i tried to turn on flight mode and turn it back off to see what happens. but if i turn it on. i cant turn it off anymore. i am stuck...i have to reboot
ianford10 said:
Yup I sometimes have the same issue, but not all the time. I just normally reboot and its sorted. Bit of a pain but not a major issue to me and since I installed the update its not happened yet. UK unbranded handset
Sent from my XT910 using xda premium
Click to expand...
Click to collapse
Tank you ianford10, rebooted with wifi off and it works well...
Hoping in a fast update, I turn off the phone quite often to reset it...
If you don't care much about your settings you can always do a full wipe. It worked in my case. Kind of painful but you'll get a working wifi. You can always use some backup software (ex. Titanium Backup) to save your texts, settings etc.
I have this too. But it coz I install MotoHomeFix.app. After I uninstal it, my razr back to normal.

[Q] My D620 loses gsm (network) signal completely

Hello,
I'm losing my wits, hope you can help me..
My G2 mini (new) worked flawlessly for a couple of weeks, then suddenly lost all network signal. After a few days, thinking it was a software issue, i unlocked the bootloader, rooted the phone, and installed CM11. An hour later - full GSM signal. For a few hours.. Since then, i've been having random x hours with, y hours without GSM signal, with absolutely no reason for the changes (phone laying on the table, absolutely no user input).
It might very well be a hardware issue, but my google-fu failed me big time, all i seem to find are GPS issues (which is not the case here, especially since i don't need GPS on this particular device).
Here's a breakdown:
- The phone originally worked with no signal loss (original OS)
- Unlocked bootloader, rooted, installed CM11
- Signal works for a few hours every day (random pattern), loses it just as miraculously.
- Device finds no networks when using the in-built search functions, but i receive no error message. When using Automatic registration, the phone displays: "Can't connect to this network right now. Try again later".
- My SIM card works fine in my D802, same issues occur on the D620 with a different SIM card (which also works without fault in the D802), so it's definitely a phone issue.
Questions: Anyone have any idea what's going on? Could it be a baseband flaw? Is there a way to (re)install the baseband, to eliminate any possible software issues?
I have disassembled the case, and all pins have wear marks embedded, which means there's plenty of contact, as far as i can see.
Thanks in advance, guys!
I just toggle airplane mode on and off, this works with me I have the same issue on. cm12. Hit that thanks button if I helped you!
KostasCH96 said:
I just toggle airplane mode on and off, this works with me I have the same issue on. cm12. Hit that thanks button if I helped you!
Click to expand...
Click to collapse
Unfortunately, my issue seems much more severe. Toggling the airplane mode, restarting the phone, nothing seems to work. It just regains the signal whenever it feels like it. For instance, it's been "off" for a few days now, with the exception of 2-3 hours a couple of days ago.
Thanks for your input, though!
KostasCH96 said:
I just toggle airplane mode on and off, this works with me I have the same issue on. cm12. Hit that thanks button if I helped you!
Click to expand...
Click to collapse
Which release of cm12? With the last i haven't this problem
tecno789 said:
Which release of cm12? With the last i haven't this problem
Click to expand...
Click to collapse
With the latest release the problem disappeared. With previous releases I would open the phone sometimes and it wouldn't have any signal. I either had to restart it or toggle airplane mode on and off....
Sent from my LG-D620 using XDA Free mobile app
KostasCH96 said:
With the latest release the problem disappeared. With previous releases I would open the phone sometimes and it wouldn't have any signal. I either had to restart it or toggle airplane mode on and off....
Sent from my LG-D620 using XDA Free mobile app
Click to expand...
Click to collapse
Ah ok thanks, I was thinking about the last..
hello everyone, my friend has this phone and he broke the LCD of the phone and we got it replaced with a new one, now there i a problem with the network. it cannot connect to any network. it just says ''unable to connect to network at this time'' i tried flashing the KDZ again but no luck, airplane more reset and thing nothing helps.
This happened to me once too when i broke the same phone and after the replacement it was getting onlu 3G signal (WCDMA) and couldnt connect to any 2G (GSM) network.
Can anyone please help me if anyone knows the issue here please
PS: The IMEI is correct

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