BenchReady — Speaker sound: ringtone and call comparison
Standard iPhone 13 (2021), Lightning · 2.0.0
Separate local speaker output from settings and call-reception symptoms.

MODEL FIT
Open Settings → General → About. Read Model Name: it must say iPhone 13. Do not enter the serial number here.
iOS 15 or later; use the support page matching your installed iOS for service settings.
Excluded: iPhone 13 mini; iPhone 13 Pro; iPhone 13 Pro Max; iPhone 15

PREPARATION
[ ] Dry intact speaker and receiver openings
[ ] Comfortable starting volume
[ ] Clean dry soft-bristled brush for accessible surface dirt only
[ ] Keep any existing backup accessible to you.
[ ] Keep credentials and personal files outside this record.

GUIDE
1. For this check, move Ring/Silent so orange is hidden. Check Focus → Do Not Disturb and note whether it was enabled.
Sources: https://support.apple.com/en-gb/118432; Check sound settings
2. Remove a removable covering that blocks sound. Brush only accessible surface dirt with a clean dry soft brush if needed.
Sources: https://support.apple.com/en-gb/118432; Clean receiver and speaker openings
3. Open Settings → Sounds & Haptics and move Ringtone and Alerts at a comfortable level. Record audible sound and whether the speaker control is dimmed.
Sources: https://support.apple.com/en-gb/118432; Ringtone and Alerts slider
4. If ringtone sound works, compare a normal call with speakerphone. Do not increase volume to compensate for distortion.
Sources: https://support.apple.com/en-gb/118432; Try a call using speakerphone
5. If only calls crackle or fail, compare normal reception at another location when convenient. Report call-only versus local-sound failure.
Sources: https://support.apple.com/en-gb/118432; Network or reception; different location

EVIDENCE TO RECORD
Ring/Silent before checking: Not recorded
Ringtone control: Not recorded
Sound problem: Not recorded
Do Not Disturb: Not recorded
Ringtone preview — Silent and Focus off; comfortable level: Not checked
Normal call receiver — Same call and location; speakerphone off: Not checked
Speakerphone — Same call and location; speakerphone on: Not checked
Call at another location — Only if safe and convenient; no location details recorded: Not checked

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.

OUTCOMES
Comparison recorded: Save local ringtone output and any call-only pattern. For call-only trouble, include reception/location when speaking with the carrier or Apple.
- Ringtone sound and dimmed-control status
- Receiver versus speakerphone during the same call
- Reception/location change for call-only symptoms
Complete the missing preparation: Check the switch, Focus and unobstructed openings before comparing sound.
- Confirm settings and a safe listening volume.
- Ringtone sound and dimmed-control status
- Receiver versus speakerphone during the same call
- Reception/location change for call-only symptoms
Discuss the recorded result with support: Persistent silent ringtone output or a dimmed speaker control needs Apple assessment.
- Ringtone sound and dimmed-control status
- Receiver versus speakerphone during the same call
- Reception/location change for call-only symptoms
Keep the unknowns in your handoff: Local ringtone or call comparison is missing. Keep the untested route visible in the handoff.
- Tell support whether local ringtone output, receiver or speakerphone could not be checked.
- Ringtone sound and dimmed-control status
- Receiver versus speakerphone during the same call
- Reception/location change for call-only symptoms
Stop powered checks: Stop using or charging damaged equipment. Do not open or press on the phone or handle hot or smoking equipment. Contact Apple or an authorized provider; use local emergency help for immediate fire danger.
- Describe wet or damaged sound openings and stop brushing or playing test audio.
- Ringtone sound and dimmed-control status
- Receiver versus speakerphone during the same call
- Reception/location change for call-only symptoms

SOURCES
No sound or distorted iPhone speaker: https://support.apple.com/en-gb/118432 (Troubleshoot your speaker, steps 1–7; checked 2026-10-13)
iPhone 13 technical specifications: https://support.apple.com/en-ie/111872 (External Buttons and Connectors; Power and Battery; checked 2026-10-13)
Important safety information for iPhone: https://support.apple.com/guide/iphone/important-safety-information-iph301fc905/26/ios/26 (Handling; Repairing; Battery; Charging; checked 2026-10-13)
Identify your iPhone model: https://support.apple.com/en-ie/108044 (Find the model name / iPhone 13; checked 2026-10-04)
Prepare iPhone for a service appointment: https://support.apple.com/en-us/109519 (Get ready; Bring in; Get back from service; checked 2026-10-13)
If the microphones on your iPhone are not working: https://support.apple.com/en-us/101600 (Phone calls; Speakerphone; Specific app; checked 2026-10-13)
If the camera or flash on your iPhone is not working: https://support.apple.com/en-us/102514 (Remove case/accessory/film; More steps; Get service; checked 2026-10-13)

This is a blank guide. Use the website to save observations and export an importable record. No physical repair has been verified.