What is this thread about?
There is a known issue where some N1 phones cannot be flashed via the PASSIMG method because their boot loader says "Main version is older!" and stops.
Why is this a problem anyway?
If your bootloader is locke...
Cosmote Greece @ Santorini Island
They are the NFC chip contacts.
If you change cover, NFC will stop working.
The OTAs patch files, they do not overwrite them. If you miss or have altered any files that are going to be patched, the OTA will fail.
This happens with Nokia Siemens Networks WCDMA e-nodeBs. Don't worry about it. 'H' is faster than '3G' anyways.