Database Info

[Q] Sim card not recognized after LG P500 last update

Hi there,
Some days ago I posted this : http://forum.xda-developers.com/showthread.php?t=1144937
I didn't have any chance to fulfill my request, but it's not the important thing.
So, I have a fully functioning P500, except that sim cards I insert in it are not detected, I have a "No sim card" Icone in the status bar. So my question is simple, do you know or did you have this probleme? Do you know where I could ask my question to have answers?

which update are u talking about??

Nevermind, it was the 2.3.3 20g from LG leak. Indeed, LGMDP bricked my GSM in the NV2 backup process. Another LG P500 finally gave me his NV2 backup, I restored it on my phone and now it works.

i have the same problem.
and i have no idea where i can get NV2 file.
somebody help me please.

no service
just that I root my P500, I put the latest mik_os' CyanogenMod 7 and my phone turned on, works perfectly, but get the error "no service" and does not recognize any SIM card. I did update from the official version 2.3.3 (where I had no problem) to version CyanogenMod 7.
I searched all forum and out of solution and I found no solution to the problem.
please help me

Did you try another sim card? Once my optimus broke my sim, I had to change it
Sent from my MB860 using XDA Premium App

Sigh. Kindly click the link in my signature and downgrade your baseband. CM7 ROMs will NOT work with the new baseband (official 2.3.3)

This post saved my mobile. So i will put an explain here to someone who is having the same problem. Try this: Go to LGMDP v1.5 connect your mobile and make a nv2 backup. if the backup has less than 150kb the nv2 of your mobile is corrupted, so you will need one nv2 backup from someone. If it have more than 150kb, the nv2 is OK and this is not your problem. My problem was with the nv2 (mine was 15kb), after fixing, it went to 179kb.
Sorry my bad english, i'm brazilian =D

no service
doktornotor said:
Sigh. Kindly click the link in my signature and downgrade your baseband. CM7 ROMs will NOT work with the new baseband (official 2.3.3)
Click to expand...
Click to collapse
doktornotor thank you, indeed you were right. I do not know how I missed that FAQ, but now everything operates perfectly

I can't find any signature for me to click a link in it, could you be so kind as to reply it to me?

Doktornotor has deleted his account. What links do you want?
Sent from my LG-P500 using XDA App

I need help!
Hello guys!
I updated to LG stock 2.3.3 on my LG Optimus One. After, I upgraded to Cyanogenmod 7.1 (2.3.4 android).
I noticed that my GSM is not working. I changed my nv2.
I can see the network operators, but when i try to connect to them, my phone says: "Your SIM card does not allow a connection to this network."
Can someone send me a good NV2? Please guys, Pm it!
And i need advice in injecting the NV2 file that (i hope) you will send me.
Thanks guys!

Can anybody share P500 nv file?

it will work for cyanogen rom and stock froyo n if you want to use official gingerbread then use this backup and then flash new v20g baseband. if you have any problem then see doktornotor's baseband upgarde/downgrade guide
http://db.tt/SUPfzRLJ
if i helped then press thanks
Sent from my LG-P500 using xda premium

Lheebamy said:
Hello guys!
I updated to LG stock 2.3.3 on my LG Optimus One. After, I upgraded to Cyanogenmod 7.1 (2.3.4 android).
I noticed that my GSM is not working. I changed my nv2.
I can see the network operators, but when i try to connect to them, my phone says: "Your SIM card does not allow a connection to this network."
Can someone send me a good NV2? Please guys, Pm it!
And i need advice in injecting the NV2 file that (i hope) you will send me.
Thanks guys!
Click to expand...
Click to collapse
I have the same problem. Can some help me with an NV2 file please?

If your phone is on a prepaid plan, and the account has been inactive for a certain period (90 days-telus) not getting connectivity is because your account has been cancelled. Once you get your account reactivated you will get service and data back
Sent from my LG-P500 using XDA

Things like this is not always related to nv2, and nv2 repair should be done only after other methods have failed. And remember you can get into big trouble using other people's nv2 in the same country
Sent from my LG-P500 using XDA

Intermittent phone signal
FitAmp said:
If your phone is on a prepaid plan, and the account has been inactive for a certain period (90 days-telus) not getting connectivity is because your account has been cancelled. Once you get your account reactivated you will get service and data back
Sent from my LG-P500 using XDA
Click to expand...
Click to collapse
My account is not cancelled. After the update everything was working perfect but around 2 weeks after i just lost signal on the phone. It sometimes works and sudddenly stops working displaying "Emergency calls only" but is not a coverage issue. I flashed the new baseband again and nothing. I downgraded to froyo en restore the nandroid backup and still i have the same problem. What else can i do? i think i tried everything i've read on related threats but nothing seems to work for me. I thought my nv file was corrupted but it is of the same size of the nv from a friend's phone working on the same network (179kb)

Javidej said:
My account is not cancelled. After the update everything was working perfect but around 2 weeks after i just lost signal on the phone. It sometimes works and sudddenly stops working displaying "Emergency calls only" but is not a coverage issue. I flashed the new baseband again and nothing. I downgraded to froyo en restore the nandroid backup and still i have the same problem. What else can i do? i think i tried everything i've read on related threats but nothing seems to work for me. I thought my nv file was corrupted but it is of the same size of the nv from a friend's phone working on the same network (179kb)
Click to expand...
Click to collapse
Hmmm could be a sim card issue. Set to network to wcdma only?
Sent from my LG-P500 using XDA

I don't think so. I tried my sim card in another phone and works fine and i inserted other sim card in my phone and have the same problem.

Having radio problems

After flashing CM9 on my nexus s GSM, I no longer have any data connection or any connection at all for that matter, it detects that there are radios around but I cannot connect to any of them.
I have checked I still have the correct IMEI, and I have tried going to stock 4.0.3 and slim ICS, and 2 different radio drivers to no avail.. Also wi-fi works fine.
Can anyone suggest what I should do next?
edit: even tried going back to gingerbread... still no luck

Is there no advice anyone can give? I've tried so many things and i've run out of ideas..

HosainH said:
Is there no advice anyone can give? I've tried so many things and i've run out of ideas..
Click to expand...
Click to collapse
Did you try to flash the latest factory image (4.0.4) downloaded from Google? It includes the radio, and after flashing it you would have your phone as if you bought it just now.

heres the different radio http://forum.xda-developers.com/showthread.php?t=1116884 or maybe the problem was the carrier??
try to figure out whats the problem?? or maybe you broke your signal hardware..
or maybe the problem was on the carrier??

Check your apns in network and settings
Sent from my Nexus S using XDA

TigaTiger said:
Check your apns in network and settings
Sent from my Nexus S using XDA
Click to expand...
Click to collapse
CHeck your APN settings under settings>More>Mobile Networks and create a new APN unique to your own carrier. also, check if you can still make calls

I have this problem also when flashing cm7 months ago..
Solved it by flashing different radio..
Sent from my GT-I9100 using Tapatalk 2

Turns out somehow my phone corrupted my sim card after I flashed CM9, got a replacement, waited a day for three to activate the sim and it's all sorted now. Thanks guys

Wow. That sucks. At least you got it fixed and let us know!

HosainH said:
Turns out somehow my phone corrupted my sim card after I flashed CM9, got a replacement, waited a day for three to activate the sim and it's all sorted now. Thanks guys
Click to expand...
Click to collapse
How long have you been using that SIM?

It's a fairly new sim, got it 3 months ago.

GSM no signal

It seems to be a casual problem but in my case its not. My phone was working fine untill one morning i woke up and there was no signal , my first though was that maybe baseband earsed during updating progress through the lg tool , so i started to flashing the right combo of custom roms and basebands and still nothing , later i tryed to flash the official stock kdz GB (V21E its the right for my carrier i tryed others too like V20A) still nothing .. my next guess was a hardweare problem so to gave it to a good local store that thr guys checked the hardweare the antena the rf chip and some other things but they work complete normal ! so they tryed also to flash the right kdz basebands etc cause they believes that i did somthing wrong ..still not signal .
yes there is IMEI number in the phone only unknown currier and 0db signal evem APN's are correct
we tryed others sim cards from many carriers but nothing for now i use a device of 14euro and my sim works fine like all othere phones.
If anyone can help with this ...
Thank you for your time !

parisgr said:
It seems to be a casual problem but in my case its not. My phone was working fine untill one morning i woke up and there was no signal , my first though was that maybe baseband earsed during updating progress through the lg tool , so i started to flashing the right combo of custom roms and basebands and still nothing , later i tryed to flash the official stock kdz GB (V21E its the right for my carrier i tryed others too like V20A) still nothing .. my next guess was a hardweare problem so to gave it to a good local store that thr guys checked the hardweare the antena the rf chip and some other things but they work complete normal ! so they tryed also to flash the right kdz basebands etc cause they believes that i did somthing wrong ..still not signal .
yes there is IMEI number in the phone only unknown currier and 0db signal evem APN's are correct
we tryed others sim cards from many carriers but nothing for now i use a device of 14euro and my sim works fine like all othere phones.
If anyone can help with this ...
Thank you for your time !
Click to expand...
Click to collapse
if it WAS working then suddenly didnt, my first thought is you've jerked the sim card loose and not realised. that basic check appart, it does sound like baseband. Download getRIL from the market (if you have wifi) and check which baseband is installed. dont (like i did) install anything get RIL asks you to. have you also tried another sim card? maybe yours just went bad if its been reflashed by KDZ by a third party and still hasnt worked

Mozzytm said:
if it WAS working then suddenly didnt, my first thought is you've jerked the sim card loose and not realised. that basic check appart, it does sound like baseband. Download getRIL from the market (if you have wifi) and check which baseband is installed. dont (like i did) install anything get RIL asks you to. have you also tried another sim card? maybe yours just went bad if its been reflashed by KDZ by a third party and still hasnt worked
Click to expand...
Click to collapse
First thanks for your time . Yes i tryed many other sims of my fiends and as i said i use my sim to another device and works right . Evrything works right except gsm signal i was very careful for what i flash .. the right combo of roms and basebands as the creators of each rom suggest. but even with the official stock kdz the problem remains .
i downloaded getril as u said it says that ril and baseband are correct. RIL : LGP920-V21e-apr-19-2012 , Baseband : LGP920AT-00-V21e-EUR-XXX

As im not an advanced user (see all my aaaaagh its gone wrong) posts all i can suggest is basic stuff id try. If everything seems fine from a software point of view and your sim works fine on your friends, maybe your sim slot just needs a quick clean. You could also try a friends sim from another network and see if you get any sim pin prompts (indicating that its at least reading the sims)
Sent from my LG-P920 using xda app-developers app

parisgr said:
It seems to be a casual problem but in my case its not. My phone was working fine untill one morning i woke up and there was no signal , my first though was that maybe baseband earsed during updating progress through the lg tool , so i started to flashing the right combo of custom roms and basebands and still nothing , later i tryed to flash the official stock kdz GB (V21E its the right for my carrier i tryed others too like V20A) still nothing .. my next guess was a hardweare problem so to gave it to a good local store that thr guys checked the hardweare the antena the rf chip and some other things but they work complete normal ! so they tryed also to flash the right kdz basebands etc cause they believes that i did somthing wrong ..still not signal .
yes there is IMEI number in the phone only unknown currier and 0db signal evem APN's are correct
we tryed others sim cards from many carriers but nothing for now i use a device of 14euro and my sim works fine like all othere phones.
If anyone can help with this ...
Thank you for your time !
Click to expand...
Click to collapse
Hi, is your IMEI the correct one or is it 350305260000001 ?
please check. if the IMEI is the above one, you need to restore the IMEI.
please click on thanks if you think i helped.
schubeir

Mozzytm said:
As im not an advanced user (see all my aaaaagh its gone wrong) posts all i can suggest is basic stuff id try. If everything seems fine from a software point of view and your sim works fine on your friends, maybe your sim slot just needs a quick clean. You could also try a friends sim from another network and see if you get any sim pin prompts (indicating that its at least reading the sims)
Sent from my LG-P920 using xda app-developers app
Click to expand...
Click to collapse
It can read the sim even the contacts i have saved in sim the pins are clean and make good contact .. when i said that i tryed many sims i ment that was from different networks as well Hardwere works normal as the service in the local store told me they maked mesures to all suspect points like the sim slot the RF chip the antena the power suplyer etc.
It can read the sim fine however says no servies the same thing hapents with all other sims of different networks. pfff i start believe that is some kind of curse or somthing hahahah

schubeir said:
Hi, is your IMEI the correct one or is it 350305260000001 ?
please check. if the IMEI is the above one, you need to restore the IMEI.
please click on thanks if you think i helped.
schubeir
Click to expand...
Click to collapse
nope,,,
i trible no quadra checked the IMEI that is writen down of the battery and on the box the same is in the settings menu :/

parisgr said:
nope,,,
i trible no quadra checked the IMEI that is writen down of the battery and on the box the same is in the settings menu :/
Click to expand...
Click to collapse
just try reflash with lg flash tool and factory reset after when done wipe internal memory should work then

oblivion786 said:
just try reflash with lg flash tool and factory reset after when done wipe internal memory should work then
Click to expand...
Click to collapse
I did that countless times :/ i eas searching for days in google in XDA i couldnt fint nothing so i ll just send it to lg its the first time i see somthing like this everything baseband and ril are good the hardware is working (checked with special gear) the device works normal sims works normal but the gsm always says no servies ... when lg alert me what is going on (if they find somthing) i ll let u know guys for similar cases .
Thanks all for ur time !

parisgr said:
I did that countless times :/ i eas searching for days in google in XDA i couldnt fint nothing so i ll just send it to lg its the first time i see somthing like this everything baseband and ril are good the hardware is working (checked with special gear) the device works normal sims works normal but the gsm always says no servies ... when lg alert me what is going on (if they find somthing) i ll let u know guys for similar cases .
Thanks all for ur time !
Click to expand...
Click to collapse
try this pinched from xbsa
After your SYSTEM gets flashed press VOLUME DOWN AND POWER until you will see a black screen with white letters that says FACTORY HARD RESET and then you release both keys and press POWER BUTTON to CONFIRM

[Q] No signal anymore

Hey guys... I recently encountered a problem with my nexus 5. Suddenly my phone lost signal and it won't receive any more signal.I was on the latest version of PA on 4.4.2 ...... Now I factory reset my phone and it's stuck on phone setup... What do I do?? I'll try flashing back to stock later and I'll see if it's fixed... Also, before factory resetting my phone, I checked my IMEI and it isnt gone.... It was still there.. Strange... Any suggestions on what I should do? Also, I don't have a nandroid backup....

mathew1234 said:
Hey guys... I recently encountered a problem with my nexus 5. Suddenly my phone lost signal and it won't receive any more signal.I was on the latest version of PA on 4.4.2 ...... Now I factory reset my phone and it's stuck on phone setup... What do I do?? I'll try flashing back to stock later and I'll see if it's fixed... Also, before factory resetting my phone, I checked my IMEI and it isnt gone.... It was still there.. Strange... Any suggestions on what I should do? Also, I don't have a nandroid backup....
Click to expand...
Click to collapse
this is what happened to my phone a couple days ago
haven't found a fix.
out of the blue, my phone just dropped its signal and refuses to connect.

flash stock images including cache.img

samersh72 said:
flash stock images including cache.img
Click to expand...
Click to collapse
had no effect, done this 3 times now.

Pr0meth3us said:
had no effect, done this 3 times now.
Click to expand...
Click to collapse
You have, yes. This advice is for the OP. Your advice is to RMA as per your thread
Sent from my Nexus 5 using Tapatalk

rootSU said:
You have, yes. This advice is for the OP. Your advice is to RMA as per your thread
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
totally sorry for thread hijack, just frustrating.
hope that works for you OP.

Still no luck
Guys... Returning to stock didn't do anything... Still the same problem... Now I'm stuck in setting up the phone since it shows that my sim is inserted and it's trying to activate the sim... But it stays there forever ... I'm pretty sure it's a problem with the sim holder... When I tried removing the SIM card for the phone, it failed to eject my SIM card... Now I have to find a way to get my sim out... When I use the pin, it only opens 1/8.. It's too small to fit anything in it... What do I do?? Running out of ideas...
I could give my phone for repair but I live in Dubai and I don't think there are any service centers here...

mathew1234 said:
Guys... Returning to stock didn't do anything... Still the same problem... Now I'm stuck in setting up the phone since it shows that my sim is inserted and it's trying to activate the sim... But it stays there forever ... I'm pretty sure it's a problem with the sim holder... When I tried removing the SIM card for the phone, it failed to eject my SIM card... Now I have to find a way to get my sim out... When I use the pin, it only opens 1/8.. It's too small to fit anything in it... What do I do?? Running out of ideas...
I could give my phone for repair but I live in Dubai and I don't think there are any service centers here...
Click to expand...
Click to collapse
Yeah definitely sounds like you need a repair. Contact google initially and sew what they say
Sent from my Nexus 5 using Tapatalk

cannot make calls regardless of which rom im using

I have a verizon m8 rooted unlocked twrp 2.7.1.0 , yesterday i attempted to log in to a mobile game it kept telling me (unable to connect) i then tried to log into facebook just to see if i had data which i did and in turn was able to log in my problem is every time i try and make a call my signal dropps from 4 bars 4g to none the call never goes through but i can send and recive texts and log into the play store im even able to sign into xda with the phone i just cant make or recive calls and certain apps say no connection availible mc4,e strong file manager ... Any help would be appreciated oh and its not the sim card either i was thinking it was because i (trimmed) my old sim from my xt926 to fit into the m8 but i use the same card in my wifes s4 and can call all i want ...so radio issues ? Please help lol

I'd suggest flashing factory and unrooting to see if that works and if it doesn't send it to be fixed
Sent from my Nexus 5 using Tapatalk

killyass said:
I'd suggest flashing factory and unrooting to see if that works and if it doesn't send it to be fixed
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Factory what ? Rom, recovery ,hboot , kernel .... Like i previously stated its like this no matter which rom and i dont see how root would be a issue ive booted into safe mode and it still persits

Tallywacker said:
Factory what ? Rom, recovery ,hboot , kernel .... Like i previously stated its like this no matter which rom and i dont see how root would be a issue ive booted into safe mode and it still persits
Click to expand...
Click to collapse
flash factory images and try again it might be something wrong you did you might have dirty flashed or something
Sent from my Nexus 5 using Tapatalk

After doing the sd card ruu thingy I found out that it's a hardware problem due to its persistence this thread can be deleted by the mods at will thanks for helping all those who helped .