how do I remove the hen firmware from the ps3?

[/p3]

I deleted hen via xmb and installed ofw without formatting, will I be able to play the purchased psn games and go online after that? Or should I format the disk before logging in online?
submitted by /u/battery_l1fe
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Source: https://www.reddit.com/r/PS3/comments/1 ... m_the_ps3/