I need to update the map im my Navi Navi 3507

check in setup that usb is activated. you need it to be turn'd on on the device

Unfortunately Nextar does not offer an update for your unit. See units with available updates below.

Map Upgrades for GPS:

The below units are upgradable with the Navi Extra maps.

• Q4: From Serial #ML0909020001 onwards. From Serial #YF0909123953 onwards
• Q4-06: From Serial # ML0909000001 onwards
• ME: All serial numbers
• 43LT: All serial numbers
• V4: All serial numbers
• V5: All serial numbers
• I4-BC: From Serial# ML1004000001-ML1004000504 and ML1005001701-ML1005002700

Important Map Upgrade Information:
Please note that refurbished units that have serial numbers starting with MLR or ML999 are not compatible with map upgrades.

Navi Extra Mapping

Please note that Nextar is unable to answer map support questions once the Navi Extra mapping has been purchased. For any map related questions and/or refunds, please feel free to contact Navi Extra at:https://nextar.naviextras.com/shop/portal/support?selectedTab=contactus.

You have a few corrupted files internally. Contact Rand Support to
obtain a new update SD Card to upgrade you to the new version and maps. The update SD Card will not remove your user
data. Be sure to have your serial number handy,
(back side, bottom right).

that maps will only updated once in 5 years by google

go to the AVIC411.com they can answer a bunch of your questions.

go to the avic411.com forum. They can answer your questions right away.

http://dl.jvc-victor.co.jp/english/car/support/navi/px9/file/px9updateHdd103_001.exe

http://www.navman.com/Navman/Templates/standardcontent____24709.aspx

I'm in Australia, so if you're not you will need to go to the navman website and select your country, then find the update. The update is done through the NavDesk software I think.

Hi vsudude,
You have to go back to the menu and reset. Youcan take the help of owners mannual supllied along with the unit.

ramesh22