The charging module is mounted on a sub‑board connected to the mainboard via an FPC flex cable.
The replacement kit includes the USB‑C port connector, small PCB, and flex cable.
Symptoms include no charging, intermittent charging, or charging only after reseating the cable.
Procedure: remove bottom frame, detach old board and flex, install new assembly, and reassemble the device.
Repair takes about 1–2 hours at a professional service center.
Parts and labor cost around $20–40 (≈500k–900k VND).
Post‑repair testing should include checking charging current, fast‑charge functionality, and USB data connectivity.