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Device evidence task · iPhone 13

Heat and Charging On Hold observations

Record warning, workload and recovery after cooling without deliberately reproducing overheating.

Version 2.0.0 · About 20 minutes to organize observations

Planning estimate for recording observations; excludes charging, backups, drying and service. Not a measured repair time.

Confirm the exact model

Enable JavaScript to record observations. The complete preparation guide is available below.

Preparation guide

  1. Record what appeared: Charging On Hold, dimmed screen, a temperature warning or an unexpected shutdown. Warmth alone and an onscreen warning are different observations.

    Source: iPhone temperature management · Device gets too warm; Charging On Hold; warning screen

  2. Select the activity that was already occurring, such as charging, navigation, camera use or setup. Do not recreate heavy load to generate another warning.

    Source: iPhone temperature management · Conditions that can cause warmth

  3. For a temperature warning, turn the phone off, move away from sun or heat and let it cool. Stop active use while cooling.

    Source: iPhone temperature management · If a temperature warning screen appears

  4. After it has cooled, observe ordinary use. Record whether brightness or charging returns; there is no fixed cooling countdown that proves safety.

    Source: iPhone temperature management · Normal behavior resumes after cooling

  5. If the same warning returns in normal cooler conditions, save the recurrence and contact Apple. A charging pause near a high charge level alone does not identify battery failure.

    Source: If your iPhone will not charge · Device stopped charging at 80 percent

Schematic flow from a naturally occurring warning to stopped active use, safe cooling and a later ordinary-use observation; repeated warnings lead to support.
Original cooling and observation schematic. Do not deliberately reproduce a heat warning or assume a fixed cooling time. · Original schematic; follow the linked manufacturer instructions.

Check the result

  • Keep the activity and warning record. A recovered temperature restriction is a useful observation, not a full battery-health assessment.
  • Tell Apple which warning or shutdown returned in cooler ordinary use and whether charging was connected.
Stop conditions
  • Stop using and charging equipment with swelling, casing separation, smoke, a burning smell or suspected battery damage. Do not open or press on it.
  • Set damaged accessories aside. Do not open mains adapters or force connectors.
  • Do not erase, reset, flash firmware or bypass a lock as a default diagnostic step.
Official sources and model fit
  1. iPhone temperature management

    Device gets too warm; Charging On Hold; Temperature warning · Checked 2026-10-13
    Cooling and temperature-related charging/display restrictions
    Reference only. Bounded original paraphrase and original schematics; no copied support images or pages.

  2. If your iPhone will not charge

    If your device will not charge, steps 1–8 · Checked 2026-10-13
    External power checks and two 30-minute charging intervals
    Reference only. Bounded original paraphrase and original schematics; no copied support images or pages.

  3. Important safety information for iPhone

    Handling; Repairing; Battery; Charging · Checked 2026-10-13
    Stop use for suspected damage and use trained battery service
    Reference only. Bounded original paraphrase and original schematics; no copied support images or pages.

  4. Identify your iPhone model

    Find the model name / iPhone 13 · Checked 2026-10-04
    Model confirmation
    Reference only. Original paraphrase; no copied images or manual pages.

  5. iPhone 13 technical specifications

    External Buttons and Connectors; Power and Battery · Checked 2026-10-13
    Lightning, physical controls and wireless charging applicability
    Reference only. Bounded original paraphrase and original schematics; no copied support images or pages.

  6. Prepare iPhone for a service appointment

    Get ready; Bring in; Get back from service · Checked 2026-10-13
    Backup, OS-specific service readiness, credential privacy and returned-device data
    Reference only. Bounded original paraphrase and original schematics; no copied support images or pages.

  7. Help keep Pixel from getting too warm

    Temperature; How phone protects itself; Too hot · Checked 2026-10-13
    Cool-down response and recurring shutdown escalation
    Reference only. Bounded original paraphrase and original schematics; no copied support images or pages.

Original preparation workflow based on the linked documents. No hands-on device repair testing is claimed.

Related preparation

Exact modelSymptom & recordOpen