Two weeks ago I upgraded from firmware 1.0.00.08130 to the latest firmware and the difference is like night and day, no comparison. Although I am not getting 1,000 pages off of one bar the new firmware is a positive step forward.
I have not charged the reader since the upgrade and am not quite happy with the results.
On a side note I just bought another silver PRS505 off of ebay for $49.00 w/free shipping and hope that it is usable. The description was a generic one that the seller uses on all his stuff, so it may or may not work. We shall see.
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