This reply is for oldmancoyote1 who asked about flashing the N810 on his Mac.
• N810: Now plug in the charger to switch on the N810 or switch it on using the power button WHILE holding the Home-button (Press the center of the large button on the front left of the screen)
$ sudo ./flasher-2.0.macosx -F nokia_N810.php -f -R --enable-rd-mode Password: flasher v0.8.1 (Jun 22 2006) SW version in image: RX-44_2008SE_2.2007.50-2_PR_MR0 Image 'kernel', size 1529984 bytes Version 2.6.21.0-200749osso2 Image 'initfs', size 1954560 bytes Version 0.95-70 Image 'rootfs', size 137625600 bytes Version RX-34+RX-44_2008SE_2.2007.50-2_PR_MR0 Image '2nd', size 8192 bytes Valid for RX-44: 0801, 0802, 0803, 0804, 0805, 0806, 0901, 0902 Version 1.1.7-2 Image 'xloader', size 9088 bytes Valid for RX-44: 0801, 0802, 0803, 0804, 0805, 0806, 0901, 0902 Version 1.1.7-2 Image 'secondary', size 99968 bytes Valid for RX-44: 0801, 0802, 0803, 0804, 0805, 0806, 0901, 0902 Version 1.1.7-2 Suitable USB device not found, waiting USB device found found at bus 005, device address 003-0421-0105-02-00 Found device RX-44, hardware revision 0801 NOLO version 1.1.6 Version of 'sw-release': RX-44_2008SE_1.2007.42-19_PR_MR0 Sending xloader image (8 kB)... 100% (8 of 8 kB, avg. 2218 kB/s) Sending secondary image (97 kB)... 100% (97 of 97 kB, avg. 13946 kB/s) Flashing bootloader... done. Sending kernel image (1494 kB)... 100% (1494 of 1494 kB, avg. 17577 kB/s) Flashing kernel... done. Sending initfs image (1908 kB)... 100% (1908 of 1908 kB, avg. 18713 kB/s) Flashing initfs... done. Sending and flashing rootfs image (134400 kB)... 100% (134400 of 134400 kB, avg. 7485 kB/s) Finishing flashing... done The device is now in R&D mode $