HELP: Formatting a new SD for use with SGS?

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Do you have to format a new SD card (Sandisk 16 Gb class2) in any special way before using it?

My brother is testing my new SGS for me (I live in Brazil, he is in USA), and he is reporting that the phone becomes SLOW with just the new card inserted, and sometimes it stops and says "preparing mass storage" or something.

Nothing copied or running on the card yet. Blank.
Stock JFB firmware.

Please help me. Is this possibly a hw problem with my phone?
I have just one more day left to return it.

Thanks,
Paulo

No. That is normal. Everytime you cold start/insert card or unmount from desktop it does a media scan to cache and thumbnail your media for use in Gallery or any media app. In the end it saves time as its all indexed. It gets annoying yes but without it your system would either not work or be slower. Its also on every android device.

Sent from my GT-I9000 using Tapatalk

But please note the the card is completely new and blank.

How much time should my phone be doing this "indexing"?
Shouldn't it be only once just after I insert the card and then stop?

It appeard that it is doing this indefnitely...
Please help.

Thanks,
Paulo

What I mean is that my brother is reporting that the phone is slower not just when you isert the card, but forever.
And it keeps saying "scanning for new media" every now and then.

It should have stopped indexing by now, shoudn't it?

Thanks.

It will scan the card every single time you reboot the phone or unmount/remount the card. For example when connecting the phone to your pc for uploading new files.