Installation manual:
1. For replacing back part you need to disassemble unit. Unscrew 5 T5 screws from bezel.
2. Split unit carefully.
3. Disconnect LCD flex cable, remove bezel with LCD.
4. Unscrew all screws that hold main PCB in back part of case.
5. Pull up the main PCB. Be carefully, do not damage when you pull out.
6. Disconnect and remove battery from your old case. Battery held by double-side tape. For better pulling you can put a few drops of alcohol under the battery.
7. Replace all parts that need from old part to new. (buttons, sensors, connections and all other things)
8. Install new case and assemble in reverse order.
9. Make waterproof test of replaced part before use. We are not responsible for water damage or improper assembly.
10. All done! Good job! Now your Garmin device is in working condition, waterproof and have a good mount!