Lexmark Firmware Downgrade Easy Way Downgrade Firmware To LW63 LW90 $ 34.99 Downgrade From LW90 To LWXX by Easy Way Purchase Now LW80 $ 14.99 Downgrade From LW80 To LWXX By Easy Way Purchase Now LW70 $ 5.99 Downgrade From LW70 To LWXX By Easy Way Purchase Now Why Firmware Version LW63 ?1- If you have Lexmark Resetter , you know that printer must have firmware version lower than LW70 to save your toner chip from damage “Locked chip “2- More new toner chip do not work perfectly on firmware version LW90 for this , you must downgrade your printer firmware3- My Firmware modified to solve “INVALID CODE ” message when downgraded from firmware version LW90 .Please Contact us on WhatsApp before Payment Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form.Printer Model *Firmware Version Example 'LW90-XXXX-XXXX' * Model method Printer Email *Payment method *PaypalVisa/Master CardBinanceSubmit