[Nexus S Q&A, Help & Troubleshooting] Swiperaja:
Can U explain what happen with my EFS?

Sat Jan 1 00:18:16 2005: No NV backup found. Create one before MD5 on.
Sat Jan 1 00:18:16 2005: NV data back-up begin.
Sat Jan 1 00:18:16 2005: nv_data.bin does not exist.
Sat Jan 1 00:18:16 2005: NV data backup stopped due to NV data size.
Sat Jan 1 00:18:16 2005: MD5 is turned on.
Sat Jan 1 00:18:16 2005: nv_data.bin does not exist.
Sat Jan 1 00:18:16 2005: default NV restored.
Sat Jan 1 00:37:26 2005: MD5 is turned off on 0
Wed Mar 16 13:37:27 2011: NV data back-up begin.
Wed Mar 16 13:37:27 2011: NV data back-up begin.
Wed Mar 16 13:37:27 2011: NV data back-uped.
Wed Mar 16 13:37:27 2011: MD5 is turned on.
Thu Mar 17 01:11:23 2011: MD5 is turned off on 0
Thu Mar 17 01:12:46 2011: NV data back-up begin.
Thu Mar 17 01:12:46 2011: NV data back-up begin.
Thu Mar 17 01:12:46 2011: NV data back-uped.
Thu Mar 17 01:12:46 2011: MD5 is turned on.
Thu Mar 17 03:24:27 2011: MD5 is turned off on 2
Thu Mar 17 05:37:04 2011: enabling MD5 automatically because it was off temporarily.
Thu Mar 17 05:37:04 2011: NV data back-up begin.
Thu Mar 17 05:37:04 2011: NV data back-up begin.
Thu Mar 17 05:37:04 2011: NV data back-uped.
Thu Mar 17 05:37:05 2011: MD5 is turned on.
Thu Mar 17 05:37:18 2011: MD5 is turned off on 0
Thu Mar 17 05:38:50 2011: NV data back-up begin.
Thu Mar 17 05:38:50 2011: NV data back-up begin.
Thu Mar 17 05:38:50 2011: NV data back-uped.
Thu Mar 17 05:38:50 2011: MD5 is turned on.
Thu Mar 17 05:39:37 2011: MD5 is turned off on 0
Thu Mar 17 05:40:19 2011: NV data back-up begin.
Thu Mar 17 05:40:19 2011: NV data back-up begin.
Thu Mar 17 05:40:19 2011: NV data back-uped.
Thu Mar 17 05:40:19 2011: MD5 is turned on.
Thu Mar 17 05:42:06 2011: MD5 is turned off on 2
Thu Mar 17 05:43:02 2011: MD5 is turned off on 0
Thu Mar 17 05:43:27 2011: NV data back-up begin.
Thu Mar 17 05:43:27 2011: NV data back-up begin.
Thu Mar 17 05:43:27 2011: NV data back-uped.
Thu Mar 17 05:43:27 2011: MD5 is turned on.
Thu Mar 17 06:02:44 2011: MD5 is turned off on 2
Thu Mar 17 06:02:52 2011: NV data back-up begin.
Thu Mar 17 06:02:52 2011: NV data back-up begin.
Thu Mar 17 06:02:52 2011: NV data back-uped.
Thu Mar 17 06:03:07 2011: MD5 is turned on.
Sun Sep 18 14:35:10 2011: backup NV restored.
Sun Sep 18 14:35:16 2011: invalid size /efs/nv_data.bin, 1662976 bytes.
Sun Sep 18 14:38:53 2011: backup NV restored.
Sun Sep 18 14:38:59 2011: invalid size /efs/nv_data.bin, 1662976 bytes.
Sun Sep 18 14:48:01 2011: invalid size /efs/nv_data.bin, 1601536 bytes.
Sun Sep 18 14:54:24 2011: backup NV restored.
Sun Sep 18 14:54:25 2011: MD5 fail. orignal md5 'aed944d19cfa8f586f0e0186d4d7b244' computed md5 'e73aa90496c8baaf0419ddd631285728' (rild)
Sun Sep 18 15:27:19 2011: invalid size /efs/nv_data.bin, 937984 bytes.
Sun Sep 18 15:40:28 2011: backup NV restored.
Sun Sep 18 15:40:28 2011: MD5 fail. orignal md5 'aed944d19cfa8f586f0e0186d4d7b244' computed md5 'e73aa90496c8baaf0419ddd631285728' (rild)
Sun Sep 18 15:48:40 2011: backup NV restored.
Sun Sep 18 15:48:46 2011: invalid size /efs/nv_data.bin, 1662976 bytes.
Sun Sep 18 16:20:14 2011: invalid size /efs/nv_data.bin, 1531904 bytes.
Sun Sep 18 14:29:25 2011: backup NV restored.
Sun Sep 18 14:29:25 2011: MD5 fail. orignal md5 'aed944d19cfa8f586f0e0186d4d7b244' computed md5 'e73aa90496c8baaf0419ddd631285728' (rild)

I have already sent the phone to the service, whether they can see from this that I had a phone and rootan custom rom? I has this files in folder EFS:

bluetooth\
imei\
.nv_data.bak
.nv_data.bak.md5
.nv_state
adb.exe
efs_backup.bat
efs_restore.bat
nv.log
nv_data.bin
nv_data.bin.md5

Where is .imei file?:/

I backed up too late (it seems)...