Are you experiencing a (like being stuck on the boot logo) that prompted this update search? 1 year car navigation Europe for SERIES 370, 530, 570, 690
| Problem | Possible fix | |--------|---------------| | Update not starting | Reformat USB to FAT32, try another port, rename file to update.img (lowercase). | | “Signature verification failed” | This means firmware is not for your unit – STOP. | | Stuck on boot logo | Try factory reset from recovery (wipe data/cache). | | Touchscreen inverted | Recalibrate in Settings → Display → Touch panel. | | No sound after update | Go to Settings → Factory Settings (password: 1234 or 0000) → change “Amplifier type” or “Sound output”. |
Map updates for your navigation device and more... - Naviextras.com
Alternatively, in the navigation menu, go to → System Info (varies by navigation software).
This is the most critical step. Do not download firmware from random third-party sites, as these can contain viruses or corrupt files that will destroy your navigation unit.
