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Why your Galaxy phone gets hot during a firmware update, and when heat means trouble

If your Galaxy phone feels warm while it installs a firmware update, you are not imagining it — and in most cases, you do not need to panic.

  • Normal phone warmth during update is expected, subsides after completion
  • Trouble heat is sudden, intense, persists, or with warnings/shutdowns
  • If heat persists, check battery, charging port, software issues

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