How do I remove the big mainboard in the speaker?
i cant push the board out, i have removed everything!
JBL Flip 4 portable speaker. IPX7 waterproof bluetooth dual driver speaker that won the CES Innovation Award 2017.
You may want to read these stories and tips in doing this job, and be careful in dealing with the main board.
You can also check out the Charger 4 teardown for reference, as the real defining factors between a File 4 and Charge 4 is size.
Hope my answer comes in handy.