Originally Posted by mollie38
I can't change the font size on my Sony 505 I need either the medium size or the large size font to read , so when I come to change it, the reader just keeps formatting on me, I have deleted most of the books on the reader, reset it but it hasn't made any difference anyone know how I can fix it
Sounds like you are using LRF. Time to put that obsolete format to bed. Go with ePub. Calibre will convert LRF to ePub.