1. barriemaverick's Avatar
    Hi there,

    I need to reset my 9300 to OS 5 as the upgrade to OS 6 slows down my phone and takes up too much memory......how do i do this please....

    Thank You in Advance
    11-24-11 10:08 PM
  2. jeffh's Avatar
    This procedure from BlackBerry 101 will help you: http://crackberry.com/blackberry-101...ting-system-os

    You should read the entire procedure before starting. The section that specifically address your situation begins with "If you're installing an operating system that's older than your current software..."
    11-24-11 11:17 PM
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