[Q] Vibrant Froyo IMEI issue - Vibrant Q&A, Help & Troubleshooting

I had unlocked and updated to froyo on my Vibrant. After several months it simply stopped working on the telcel network (Mexico). I never was able to root under Froyo.
I later discovered that my IMEI was at a fake IMEI that is posted all over the net from others with the same issue.. I dont know if the provider cut off my phone immediately when the IMEI arbitrarily changed or the IMEI had been bad all along, and they finally started blocking this fake IMEI. Judging from the phone crash that occurred that day, however I think the phone lost its IMEI that same day it stopped working on Telcel
Fortunately I searched old files and my backups are worth gold because somewhere in the process I had saved /efs and /efs/imei in a folder called Galaxy_S_Unlock.
My question is , how do I restore the IMEI and does it matter that I am now on Froyo and the Back ups may be from Eclair?
Thanks I would like to get my Vibrant working again

---

I'm sure you can use that one.

---

Update ________
I recovered my vibrant in the following way, as other methods I found did not work after re rooting.
I did the full recovery found at androidspin. They wont let me post the link here
Then rooting was easy on Eclair 2.1, I used one click root method
Since the back up I had had both nv_data.bin and nvdata.bin.unlocked I used es file explorer and copied this nvdata.bin.unlocked from my NAS directly to the efs folder, at the same location as the original nv_data.bin in the phone. I renamed the original file nv_data.old and the newly copied file was renamed to nv_data.bin.
My phone came back as an unlocked Eclair 2.1 with original IMEI, and only because I had those files
compared to other methods that I saw about how to do this this was WAY easier, and since I had trouble with root access on terminal emulator and other programs crashing.
I still however can not download from the market, and was wondering if I need to replace one of these other files too.

---

Hello,
I have my Vibrant Eclair unlocked, do you recomend me updated it to Froyo with Samsung Kies? or if I upgrade to froyo will to locked the phone?
thanks

---

markosjal said:
Update ________
I recovered my vibrant in the following way, as other methods I found did not work after re rooting.
I did the full recovery found at androidspin. They wont let me post the link here
Then rooting was easy on Eclair 2.1, I used one click root method
Since the back up I had had both nv_data.bin and nvdata.bin.unlocked I used es file explorer and copied this nvdata.bin.unlocked from my NAS directly to the efs folder, at the same location as the original nv_data.bin in the phone. I renamed the original file nv_data.old and the newly copied file was renamed to nv_data.bin.
My phone came back as an unlocked Eclair 2.1 with original IMEI, and only because I had those files
compared to other methods that I saw about how to do this this was WAY easier, and since I had trouble with root access on terminal emulator and other programs crashing.
I still however can not download from the market, and was wondering if I need to replace one of these other files too.
Click to expand...
Click to collapse
I am not able to recover my IMEI number as per your steps. Can you point me to exactly where did you find the procedure to do this?