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[Q] Reversing Gingerbread Baseband Flash or Correct Baseband for my Provider

Good Morning,
After flashing the Gingerbread Baseband I no longer am able to register on the network for my provider.
The device is from Rogers but unlocked and being used on the Bell network.
After flashing I realized there may be a different baseband for me to use in Canada (just North of Toronto).
I require some help in locating a Gingerbread baseband that would work or provide me with instructions on how to return to the original baseband.
Any help is appreciated!
Thank you kindly,
- Audi2Audi

Did you set the APN manually? You have to do that.

Hello!
APN in Menu|Settings|Wireless & Networks|Mobile Networks|Access Point Names ?
I have set that to: pda.bell.ca
Is there other steps required though?
Thank you for the response!

apn settings is for internet. phone must tower of sim. may be flashing baseband again will soveit because i am tower getting for my country

If you're wanting to go back to stock froyo first you need to visit here to get your original rom... these will also flash the baseband back too
http://forum.xda-developers.com/showthread.php?t=1246678
or here http://forum.xda-developers.com/showthread.php?t=1155874
then you will need to follow this turtorial in order to flash the stock rom back on (go down to second post that one is in English )
http://forum.xda-developers.com/showthread.php?t=1244490
Although it is a possibility that the BB hasn't flashed correctly, might be worth trying it again... might also be worth trying a froyo rom to see if you get a signal then, because if you do you still have the froyo baseband on...

Simplier to flash stock baseband using kdz tutorial in my signature.
Edit:
But i'm not sure if rogers has the same firmware

adixtra said:
Simplier to flash stock baseband using kdz tutorial in my signature.
Edit:
But i'm not sure if rogers has the same firmware
Click to expand...
Click to collapse
Thanks adixtra i always forget about the tutorial of yours

You can flash a .Bin File for Your P920 or P920H.

Ok, now this is getting bizarre hah.
I reflashed the baseband again and everything went normal as it did before.
This time I searched for networks and selected my provider. After about 5 minutes of the device trying to register on the network an error was received that said it was unable to register on this network.
However, when I got to my home screen I was registered on the network. I tested a voice call and it worked. I have tested data as well.
BUT! This is where it gets even more bizarre...The device cycles from 4 signal bars to 2 signal bars to none to 3G (from H) followed by not being registered on the network. Then a few minutes later (sometimes only after a reboot) it returns to 4 bars and begins the cycle again.
Has anyone seen anything like this before?
Thank you again for your help!

Questions or Problems Should Not Be Posted in the Development Forum
Please Post in the Correct Forums and Read THIS
Moving to General

Yes i have seen this with my install of the baseband file but it will not let me register the 3g or 3g+ let keeps me on full with gsm only its why i flashed mine back using the lg update tool software i put it right back to stock using similar way you flashed the baseband file. PS im on rogers as well

teray0n said:
Yes i have seen this with my install of the baseband file but it will not let me register the 3g or 3g+ let keeps me on full with gsm only its why i flashed mine back using the lg update tool software i put it right back to stock using similar way you flashed the baseband file. PS im on rogers as well
Click to expand...
Click to collapse
Good Evening,
Would you be able to upload the KDZ file from your update?
I am having problems with the LG Phone Recovery indicating that I have the most up to date software and halting the recovery process.
Thank you!
- Audi2Audi

Hello,
I flashed an earlier KDZ which allowed me to use the LG Update tool to restore my stock rom.
Thank you everyone for your help and advice.
- Audi2Audi.

it will tell you that but if you use recovery mode and it will download the file then you will have to unplug the phone from usb hold vol+ power then plug it back into the usb and it should download. like i said i used similiar method to flashing baseband

On my windows 7 not detect omap 4 and i can't flash baseband,what can i do?

Very Strange Thing or a miss undersatnding

I will tell you my story from the beginning.
I have bought my Optimus 3d as soon as it was release then within a month I had a problem. The device kept telling me to insert a sim card i tried with many different cards but that did not help so I had to return it to the carphone wherehouse and they told me I need a replacement so I took the new and tried it. It worked my sim card with no problem after that I put it back in its box and put it in the shelf for about 6 months. Yesterday I wanted to use it because I want to try GB and the 3d converting tool. and when I tried to update it keeps telling me I am up to date although I am using froyo 2.2.2 with KV 2.6.35.7 and SV v10d and when I used Lg update tool but it keeps telling me I am up to date but when I check for my phone latest update it says v21a
Can anyone help me please.
Any entry is appreciated.

Can any body help me please... I do not know what to do !!

aleidnet said:
Can any body help me please... I do not know what to do !!
Click to expand...
Click to collapse
Go Here and download the relevant KDZ of your country:
http://lg-phone-firmware.com/index.php?id_mod=2
then use this guide to flash your phone:
http://forum.xda-developers.com/showthread.php?t=1287236
good luck

[Q] [q] after unlocking sim card...no one accepted

HI GUYS...
I UNLOCKED MY SAMSUNG GALAXY INFUSE AS USUAL, AND ITS OK "UNLOCKED"...
BUT WHEN I INSERT MY SIM CARD IT WORKED FOR FEW MINUTES, AFTER THAT IT SAYS NO SERVICE AND THERE IS NO SIGNAL AT ALL... BUT SOMETIME I GOT SIGNALS BUT WITHOUT REGISTERED NETWORK.
NOTE:
MABY THE PROBLEM FROM THE IMEI NUMBER, BECAUSE I GOT IT WRONG , IT IS LIKE IN THE ATTACHMENT.
PLEASE GUYS HELP ME ....

Yep, a borked imei number will not allow you to connect to your cellular network...
I'm guessing that your efs folder wasn't backed up... you can try this...http://forum.xda-developers.com/showthread.php?t=881162
I haven't tried this but good luck.

thank you brassguy...
but does this work for infuse 4G ?
In addition, I read that we can change the IMEI number using the ADB, or is there another way to do this?
Also, what about the GSII_repair app, can I use it for my phone (infuse 4G)?

i had this problem last night where i flashed a rom. i return it to stock and imei showed up.
was having a imei" unknown error" and i backed up now on my computer.
ps ebay sales unlock service for 0.99$ if you didn't buy the code and just hacked it with hex or whatever
mine is already unlocked and it's permanent
i do travel over seas alot

But i returned mine to stock many times but the imei number still like this.
I did no get you in the third line???

BrassGuy said:
Yep, a borked imei number will not allow you to connect to your cellular network...
I'm guessing that your efs folder wasn't backed up... you can try this...http://forum.xda-developers.com/showthread.php?t=881162
I haven't tried this but good luck.
Click to expand...
Click to collapse
It does not work for me....
Because I did not find the those numbers in hexeditor
THERE ARE 3 Total Lines you will need to edit:
00188008
00188010
00188020
or maby I did something wrong

Please guys someone help me to solve this problem ,because I can not use the phone....
No one have ever faced or seen this problem with someone and solved??

[Q] Problem with sim card on cm7(gingerbread) on Optimus one

I just got this phone and it cant read my sim card It saids on the phone NO SIM CARD....I flashed the basestand,stock rom,and other old/new basebands I tried the LGMDP.exe with baseband v20 and v10 and then it still didn't work. Baseband now is--LGP500AT-00-V10e-APP-XX-FEB-23-2011-0
Should I try to re-upgrade it or try something cause im about return this phone soon and i need a solution right now...
This phone is an unlocked T-mobile version/P500
Thanks
Leroy

Maybe your sim card slot is broken
Sent from my LG-P500 using xda app-developers app

LiquidC said:
I just got this phone and it cant read my sim card It saids on the phone NO SIM CARD....I flashed the basestand,stock rom,and other old/new basebands I tried the LGMDP.exe with baseband v20 and v10 and then it still didn't work. Baseband now is--LGP500AT-00-V10e-APP-XX-FEB-23-2011-0
Should I try to re-upgrade it or try something cause im about return this phone soon and i need a solution right now...
This phone is an unlocked T-mobile version/P500
Thanks
Leroy
Click to expand...
Click to collapse
I know we've chatted about this prior, but did the SIM card work when you first got the phone? Even tho all ROMs are reporting your device as P500, check under your battery to ensure that is is a P500. I think it's a P509 as that is the variant that is provisioned for TMobile. The P500 was originally provisioned for AT&T.

It is a P509
shinobisoft said:
I know we've chatted about this prior, but did the SIM card work when you first got the phone? Even tho all ROMs are reporting your device as P500, check under your battery to ensure that is is a P500. I think it's a P509 as that is the variant that is provisioned for TMobile. The P500 was originally provisioned for AT&T.
Click to expand...
Click to collapse
Yup it is and I didnt pay attention to it til now....smh my head bad man. Do I need to do something different,and my family mobile was working its just the phone wasnt reading it..

LiquidC said:
Yup it is and I didnt pay attention to it til now....smh my head bad man. Do I need to do something different,and my family mobile was working its just the phone wasnt reading it..
Click to expand...
Click to collapse
I don't think the phone is fully unlocked from TMobile. That's the only explanation I can think of. Family Mobile, as in from WalMart? Doesn't that operate on AT&T's networks?
EDIT:
Sorry, just checked. It operates on T-Mobiles network. As I said, it must not be fully unlocked from TMobile. Or there is something wrong with the SIM slot on the phone. Try cleaning the contacts on the SIM with a pencil eraser. Do the same for the contacts on the SIM slot and see if that doesn't help. Just a thought.

shinobisoft said:
I don't think the phone is fully unlocked from TMobile. That's the only explanation I can think of. Family Mobile, as in from WalMart? Doesn't that operate on AT&T's networks?
Click to expand...
Click to collapse
Yes It does...

I edited my previous post...

Imma do that bro thanks...

Another thought too. Did you try using KDZ with the SIM in the phone? If so, it's possible KDZ screwed up the SIM. That's how I bricked one of my P506's.

No,the previous owner probably did it Ill bet and plus I cant even flash a P509 rom only P500.

LiquidC said:
... plus I cant even flash a P509 rom only P500.
Click to expand...
Click to collapse
That's more than likely because of the recovery you are using. Download a P509 ROM, Rashed has CM10 build for the P509. Use OOne ROM Editor, in my signature, to remove the assert() statement from the updater-script( in Tools -> Build -> Build Options ). All that statement is for is to ensure that the ROM gets installed on the correct device. We know it's correct, so we can safely remove it.

shinobisoft said:
That's more than likely because of the recovery you are using. Download a P509 ROM, Rashed has CM10 build for the P509. Use OOne ROM Editor, in my signature, to remove the assert() statement from the updater-script( in Tools -> Build -> Build Options ). All that statement is for is to ensure that the ROM gets installed on the correct device. We know it's correct, so we can safely remove it.
Click to expand...
Click to collapse
How do I get it?

shinobisoft said:
That's more than likely because of the recovery you are using. Download a P509 ROM, Rashed has CM10 build for the P509. Use OOne ROM Editor, in my signature, to remove the assert() statement from the updater-script( in Tools -> Build -> Build Options ). All that statement is for is to ensure that the ROM gets installed on the correct device. We know it's correct, so we can safely remove it.
Click to expand...
Click to collapse
I did what you said but aint nothing came out on the output..

LiquidC said:
I did what you said but aint nothing came out on the output..
Click to expand...
Click to collapse
Not sure I understand. Explain please.

I got it now dude flashing now fingers crossed......

I got it working but it still said no sim card,my sim card is in there already and my baseband is ---LGP500AT-00-V10e-APP-XX-FEB-23-2011+0

LiquidC said:
I got it working but it still said no sim card,my sim card is in there already and my baseband is ---LGP500AT-00-V10e-APP-XX-FEB-23-2011+0
Click to expand...
Click to collapse
That's the wrong baseband bro. And now I know why your device is saying no SIM. It's looking for an AT&T SIM card. That phone has been flashed with either KDZ or LGMDP to change the baseband and they used a P500's files to do it with. I'm not on a CM10 ROM right now, so I can't give you an exact answer, but the V10e should be V10s.

how can I change it?

LiquidC said:
how can I change it?
Click to expand...
Click to collapse
You will need to get a hold of KDZ and a file named V10S_00.kdz. I'm assuming you already have drivers installed on your PC and have a data cable.
Before using KDZ, remove the SIM and SDCARD from the device or you will brick it for sure.
Or take it to a local cell phone shop that flashes phones and have them do it.
According to my phone with Rashed's Build#7 CM10, baseband is -> LGP509AT-00-V10s-OPEN-COM-APR-23-2011+0

I found LGP509AT-00-V10s-310-260-APR-23-2011-0-DZ can you use that?

HELP! H950 ATT backup needed

Hi. I'm lost. I've bricked my freshly purchased H950 because of being in haste to update the firmware to 5.1.1. I've accidentally installed a H955 KDZ over my stock 5.0.1 AT&T H950 firmware. As expected, the device is bricked (everything works except the cell network). I've tried everything, spent about 8 hours with no result. Can't root it as well.
The IMEI and Baseband status is "Unknown" (lost EFS partitions).
Please, if it;s possible, give me an advice how to restore it to its original ATT firmware. I know that ATT hasn't published the TOT file of their firmware. Maybe I could restore it using someone's backed up files?
I'm outside of the US for the next 7 months so I won't be able to return it
Please help me, this is urgent.

okornel said:
Hi. I'm lost. I've bricked my freshly purchased H950 because of being in haste to update the firmware to 5.1.1. I've accidentally installed a H955 KDZ over my stock 5.0.1 AT&T H950 firmware. As expected, the device is bricked (everything works except the cell network). I've tried everything, spent about 8 hours with no result. Can't root it as well.
The IMEI and Baseband status is "Unknown" (lost EFS partitions).
Please, if it;s possible, give me an advice how to restore it to its original ATT firmware. I know that ATT hasn't published the TOT file of their firmware. Maybe I could restore it using someone's backed up files?
I'm outside of the US for the next 7 months so I won't be able to return it
Please help me, this is urgent.
Click to expand...
Click to collapse
Well the good new is that your cell phone works so it is not brick. Cell network probably doesnt work because H955 use different bands than H950. I dont think you will be able to go back to ATT rom because like you mentioned there is no kdz for it. But on the bright side you can try to use the H950PR KDZ to flash your cell. this is totally compatible with the H950 from ATT. You can always wait for the someone more knowledgeable to answer but I am almost sure that it should work.
http://forum.xda-developers.com/g-flex2/general/kdz-compatible-att-h950-t3180847

I've installed the h950pr and there the cell network is still not working
In case if i find a person who has a similar device with Att firmware, how can i make a backup of it in order to flash my device?

I've managed to root my semi-bricked H950. But the imei and baseband version are still unknown. What should I do?

baseband ok. just the imei has 0 value. help please

okornel said:
baseband ok. just the imei has 0 value. help please
Click to expand...
Click to collapse
follow THIS guide and you should be ok.
Use your own imei embedded in the back of the phone or the original box.

Alex_XV6700 said:
follow THIS guide and you should be ok.
Use your own imei embedded in the back of the phone or the original box.
Click to expand...
Click to collapse
tried that, but i get stuck. when adding my port in QPST it says "No phone".
https://onedrive.live.com/redir?res...authkey=!AD1mJswhhQlnJMM&v=3&ithint=photo,png

okornel said:
tried that, but i get stuck. when adding my port in QPST it says "No phone".
https://onedrive.live.com/redir?res...authkey=!AD1mJswhhQlnJMM&v=3&ithint=photo,png
Click to expand...
Click to collapse
Check your PM.

Does anybody know how to write IMEI on the H950 without octopus box? Can't do it in QPST, DFS, EFS pro because it sn't recognized as a phone / doesn't answer.
Everything works, I can even make calls, just the imei value is 0.

Finally I did it!!!

okornel said:
Finally I did it!!!
Click to expand...
Click to collapse
Did you use qpst? Or which tool?

Alex_XV6700 said:
Did you use qpst? Or which tool?
Click to expand...
Click to collapse
Yeah. I used QPST. I had to open cmd, enter "adb shell", then " su", then "echo 1 > /sys/devices/platform/lg_diag_cmd/diag_enable". After that you can backup Nv via QPST.

Im glad you informed yourself and solved your own issue. ?