Unstable GSM Signal> drops signal everywhere - XPERIA X10 Q&A, Help & Troubleshooting

Hi guys,
i have 2 phones , both are x10. and both have problems :crying:
My 1st x10 have this problem today,
sim signal full bars then suddenly drops everything going to "no service" then after a while, it comes back... whenever im in a location that has weak signal... the phone never gets any signal...
Plus., the phone also warms up more that normal.
i have experience opening up this phone and explored every possible signs of grounding but looks like there is none, i have 2 extra batteries for the phone and it rules out that its not the batteries at fault.
btw, i have also tried reflashing to stock global tft > 3.0.1.G.0.75 Global ggl generic 1232-9897 from THeLogiC ' s stock rom collection ( http://forum.xda-developers.com/showthread.php?t=1749426) > still the same effect on the phone.
My 2nd x10 has no gsm signal plain and simple, even inserting numerous sims to test. its already openline., It says "please insert sim card and restart your phone" every time you turn it on.
heres a pic from s1tool , tried restore also but nada. >
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x10i Android 2.3.3 generic stock rom atm.
before they had xrecovery .3 and both had DiXperia Extraordinary Roms.
Hope someone can help me cuz this already drove me mad.

come on guys, at least answer me . . .

this is related to the radio being lost because i attempted to unlock the bootloader to a docomo phone with locked bootloader. thats my thought to the one x10. but the other one, i think its HW problem with the signal not being stable and all...
if someone could just point me in the right direction so at least i can fix one phone, that will make me very happy.

Related

T-Mobile UK MB860 Intermittent problems with data and wifi

Right, ive noticed a few prople have had similar problems but nothing that is the same as what im am experiencing.
basically, about 6 weeks ago i flashed the Alien v4 rom (wanted to retain webtop else i would have chosen cm7). this has worked flawlessy till now. Ive suddenly started having issues with wifi and data connectivity.
When connected to wifi i get internet access for aropund 2>10 minutes. then i lose it, although my phone still says im connected to the network. When i turn off the wifi, i check the wireless setting and it says that mobile networks are not connnected. when this happens, the data icon in the task bar is grey not green, ive noticed i only get a connection when its green.
System version:
4.5.91.MB860.ATT.en.US
Baseband:
N_01.100.00R
Webtop:
WT-1.2.2-110
Kernel:
[email protected]#3
I had the same problem before, a few months ago. Think it was just an issue with the ROM I was using. Have you tried a different ROM?
Not yet, will be when i get home. I was under the assumption however that alien was the best (webtop rom) in terms of speed and stability
Just backup your ROM in recovery - try out as many ROMs as you'd like to try. You might find one that both resolves your problem and suits you better, and as long as you have that backup you can just jump straight back in where you left off with your current ROM.
I have a backup anyway. Always make one once I know a rpm works after flashing. Been flashing for too long with many a handset to not keep backups. Ive learned the hardway with this haha
Sent from my MB860 using xda premium
parkodrive is a proper queer
plasmoid said:
parkodrive is a proper queer
Click to expand...
Click to collapse
Shut it Dan
Agree with above
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No service after fomatting the yl-parames and nvram partition! What should I do?

I've bought this Coolpad 7295 phone for less than three days from China.
It seems that I couldn't flash my phone back to the state where I could get the service for calling the first day.
After the second rom flashing with my flash tool. I kind of formated the Yl-parames and NVRAM section of the phone.
I don't know these two mean! Could someone explain how they work? Are they related to the hardware or the motherboard of the phone?
After the wrong formatting action, my phone could not make any calls. (But everything works, and network works also. And later I flashed many roms, all of them work, just no signal)
So the third picture shows that this device has a different partition compared to the most smartphones in the hardware called "YL-parames".
My friend who is good at making custom roms in Taiwan said I might accidentally screw up with the hardware partition.
I just want to know with this problem appearing, is there any other way that I could get my signal back?
I've tried several methods like rewriting IMEIs, reinstalling the official roms, but none of them work.
Or should I just send it back to the dealer to get it fixed? (I'm doing it right now...)
Just want to know in case the phone is back, how should I operate this flashing tool because I'm really a tech-savy
1) The first picture represents what i chose for the outcome of no signals later on.
2) The next one is its interface
3) The next one is the official flashing tool, but I still can not flash the CPB provided by the official since my hardware seems to be broken.
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I would really like somebody to develop the custom rom in the English version for this device, this device is pretty good!
Or is there anybody using this phone as well? It's nice to have someone to exchange info with!!

Is this phone dead?

Hey guys,
I'd a Galaxy s3 before changing to an M8 this year, the s3 was rooted and had Lightening Rom (I think) when I changed phone I gave the s3 to my sister and about 2-3 weeks later she complained that it wouldn't turn on, I fixed this by using Odin but the IMEI changed to the generic 0049, now I know there's a million threads about that but that's not the problem, I never reset the binary or anything on the phone but when I gave it back to her it would turn on just no signal, she decided to hand the phone into a "professional", I don't know what the guy did hence why I'm posting but is this bricked? It will go into download mode and can be recognised but cannot receive anything.
TL;DR - Phone had IMEI problem (0049) was sent to repair place and came back with this on the screen it will go into download mode and can be recognised but cannot receive anything
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Sweegy said:
Hey guys,
I'd a Galaxy s3 before changing to an M8 this year, the s3 was rooted and had Lightening Rom (I think) when I changed phone I gave the s3 to my sister and about 2-3 weeks later she complained that it wouldn't turn on, I fixed this by using Odin but the IMEI changed to the generic 0049, now I know there's a million threads about that but that's not the problem, I never reset the binary or anything on the phone but when I gave it back to her it would turn on just no signal, she decided to hand the phone into a "professional", I don't know what the guy did hence why I'm posting but is this bricked? It will go into download mode and can be recognised but cannot receive anything.
TL;DR - Phone had IMEI problem (0049) was sent to repair place and came back with this on the screen it will go into download mode and can be recognised but cannot receive anything
Click to expand...
Click to collapse
I would take it back. When you say it can not receive anything you mean Odin fails?
Can you get into recovery?

S3 i9300 insert sim card problem

Hi guys, I have a problem with my S3, it keeps asking me to insert sim card, i tried different sim cards, none worked, tried changing the whole card reader/slot with a brand new one, but it didn't fix the problem.
everything started approximately a month ago, i tried rooting the phone after applying the 4.3 update but i missed up and almost completely killed the phone, after allot of effort I managed to bring it back to life and re-installed the firmware update, but the phone started giving me the "Not registered on network" error, and the IMEI changed to that 0049 thing, then it started telling me to insert sim card (at first it was just saying "emergency calls only").
the thing is, before all this happens I had no idea how important it is to backup before applying anything with odin, so I have no EFS backup, the IMEI is apparently fixable but this "insert sim card" thing is what i have no idea how to fix, since the last hope was changing the slot and it didn't help either.
I tried going through other posts but none of them had an answer.
so, any ideas what could be the cause? and how to fix it?
PS: the signals bar is still moving, i mean when i'm somewhere with no signal at all it becomes that circle that indicated no signal, and i'm where signal is strong it goes all the way up to 4 bars, time as well is still accurate, done a downgrade to Android 4.2.2 to see if it could change anything, still same problem, now I upgraded again to 4.3 and am hoping for an answer to what could've been the cause of the problem and how to fix it
oh and one more thing, i have a question, does patching the wrong Kernel and Modem have any relationship to this problem? when it was telling me "Not registered on network", one of the things i tried was patching a Modem, that's actually what was shared the most through forums, and I remember reading that it does no harm but it can help fixing the problem even if it's not on the same exact firmware. the firmware I have is XXUGNA7 and the ones i patched were for XXUGMK6, both are android 4.3 (HOPEFULLY )
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here's what *#0011# code gives me (i have no idea what it means)
Thanks in advance
no reply?

Poco X3 NFC android 10 rollback

Let me start by saying I am not rooted no twrp just plain stock , with locked bootloader. Also EU version.(V12.0.8.0.QJGEUXM)
A few months ago I downloaded the Android 11 Rom V12.0.6.0.RJGEUXM through the phone even though I am not on any trial program.
It installed easily on my phone , some people have had to use other methods...so I read.
Anyhow , I thought it was way too buggy and needed to downgrade.( Even after the the 2 other upgrades to V12.0.7.0.RJGEUXM. This is what I did to rollback if someone else is in the same boat.
I had to wait 3 days to unlock my bootloader,
Then I used the MiTool to select the ROM I wanted.
The problem then is the bootloader is still unlocked after you flash the new ROM, you need to use ADB command " OEM lock" to relock then phone , it should erase everything then go back stock. I am still learning with this Xiaomi device so I had to learn this from different sources and hope it helps somebody else out.
Soz if this is common knowledge or wrong part of forum!
thanks for the info but why did you downgrade did android 11 lags the phone or what
aymen peter said:
thanks for the info but why did you downgrade did android 11 lags the phone or what
Click to expand...
Click to collapse
1) WiFi issues and random reboots, when the phone booted (on its own accord) on reboot the wi fi took quite a few minutes ( over 5 minutes sometimes longer) to get back online.
2) The speaker volume seemed too quiet for video and calls.(on at full volume most of the time).
3) Not so polished, sometimes would be a bit laggy other times not.
At the minute Android 11 for the Poco is still Beta, I am sure these problems will get resolved. The moral of story ... Wait for OTA instead of forcing updates.
i used xiaomi flash tool to flash fastboot rom and selected this to keep unlocked bootloader
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