Phone Overheating After Screen or Battery Replacement？

Many repair technicians encounter phone overheating after screen or battery replacement. This post‑repair fault triggers customer complaints, device

shutdowns, and costly rework, hurting your shop’s profit and reputation.

Several typical triggers lead to overheating issues.

1.Poor‑quality replacement parts: Low‑grade batteries have unstable internal resistance; non‑original screens draw excessive power.

2.Incorrect assembly: Loose connectors, pinched flex cables, misplaced insulating tapes cause short‑circuit risks.

3.Dirty or misaligned heat‑dissipation layers: Remnants of old adhesive block heat dissipation after disassembly.

4.Software conflict: Calibration errors after hardware swap may trigger abnormal power consumption.

Quick troubleshooting steps: Double‑check all connectors for tight fit, inspect flex cables for pinching, re‑apply proper insulation adhesive, test with verified high‑quality spare parts, and perform battery calibration.

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