1. Using a PH 0 screwdriver, loosen the four screws on the underside of the device.
    • Using a PH 0 screwdriver, loosen the four screws on the underside of the device.

  2. Pull the plastic card at the lower corners, starting at the bottom of the screen.
    • Pull the plastic card at the lower corners, starting at the bottom of the screen.

    • At one of the bottom corners, remove the edge cover by sliding a plastic card from the front of the navigation system under the edge.

    • The edge strip is attached with double-sided tape, the plastic card can be pushed with a sawing movement gradually under the side cover

    • Caution: At the two lower corners, the cover strip is inserted into the housing with a latching lug.

    • Use the screwdriver PH 0 to remove the two screws at the upper edge.

    • Pull a plastic card between the wall and the side panel to separate them. After the sides also separate the upper edge.

    • Pull out the inner edge cover between the screen and the rear panel.

    • Pull the battery cable downwards, then out from the guide nose.

    • Remove the adhesive tape from the battery.

    • Pull plug out of socket.

    • The battery is glued to the housing with a very tough adhesive tape. "Carefully" pry out. (You can probably solve this with isopropyl alcohol - I read later).

    • Install new battery. Reassemble the unit in reverse order of disassembly steps.

    • For me, the device worked well after the battery replacement. It was easy to turn on and off.

    • Meanwhile, there was occasionally "freezing" the display while navigating, which could be remedied with a reboot. Maybe a hardware defect, which also affects the charging function. The new battery enough for about 2 hours navigation without charging cable too little, I think.

    • Works permanently well. Also battery charge has gotten better. Maybe it was because the battery was too new.

Conclusion

Repeat the steps in reverse order to reassemble your device.

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John Maier

Member since: 08/29/2017

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