Every current DeviceAid tool

You start and assess each test. DeviceAid helps you inspect in a structured way; it does not provide automatic or certified diagnosis.

Six feature areas

Rescue and water

Quick Rescue, Water Eject, and Wet Phone Guide. Short guided flows, local sound patterns, and practical steps after water contact. No repair guarantee or automatic diagnosis. Results may vary.

Sound

Speaker Test and Microphone Test. Short tones or a local recording for your own listening assessment. You assess the result. DeviceAid does not perform an acoustic diagnosis.

Display

Dead Pixel Test, Display Artifact Test, and Screen Light. Solid colours, patterns, and a local light surface for manual visual checks. No automatic pixel detection and no claim about invisible internal damage.

Touch and haptics

Touch Grid Test, Multitouch Test, and Haptic Test. Check touched areas, simultaneous touches, and short haptic patterns yourself. No automatic hardware or Taptic Engine diagnosis.

Level and motion

Tilt, rotation, and level. Local Core Motion queries start only after your action and provide neutral feedback. Raw sensor data is not stored; the app does not declare a sensor defective.

Used phone check

Used Phone Check. A guided checklist combining the available speaker, microphone, display, touch, and haptic tests. No purchase certificate, automatic condition score, or substitute for professional inspection.

What each tool does

Water Eject and Wet Phone Guide

Quick Clean, Standard Clean, and Deep Clean play local sound patterns that may help move water from the speaker area. Results vary. Do not intentionally wet the device, disconnect Bluetooth headphones, stop if sound is uncomfortable, and do not charge when liquid in the connector is suspected. Wet Phone Guide explains useful and unsafe steps, does not recommend rice, and does not replace repair service.

Speaker Test and Microphone Test

Low Tone, Mid Tone, High Tone, Voice-like Tone, and Crackle Check are short listening samples for your own assessment. Microphone Test records briefly on the device and plays it back. There is no automatic acoustic diagnosis.

Dead Pixel, Display Artifact, and Screen Light

Solid colours and full-screen patterns support manual visual inspection. Screen Light offers White, Warm, Red, and Blue Light in dark settings and does not claim to replace a real flashlight. Temporary brightness changes are restored on exit.

Touch Grid, Multitouch, and Haptics

Touch Grid shows touched areas and progress. Multitouch shows current and maximum touches without guaranteeing one finger count for every model. Haptic patterns such as Selection, Light, Medium, Heavy, Soft, Rigid, Success, Warning, and Error play individually or in short sequences. DeviceAid does not change global vibration strength.

Level and Motion

Tilt, rotation, and level use Core Motion only after user action. Queries stop on exit or in the background. The app retains no raw sensor data and provides neutral feedback instead of defect claims.

Quick Rescue and Used Phone Check

Quick Rescue connects current tools in short problem-led flows. Used Phone Check guides speaker, microphone, dead-pixel, touch-grid, multitouch, haptic, and optional screen-light checks. It creates neither a purchase certificate nor a guarantee that a device has no defects.

No repair promise

Visible or audible issues may justify further inspection. An unremarkable result cannot rule out internal damage.

Current tools in the app

These are current English app captures with no test ads or personal content.

Tools screen listing Water Eject, Wet Phone Guide, Speaker Test, Microphone Test, and Dead Pixel Test.
Tools

Rescue and sound tools

The tools list separates water guidance, sound playback, recording, and display checks.

Tools screen with Display Artifact Test, Screen Light, Touch Grid Test, Multitouch Test, Haptic Test, and Level and Motion.
Tools

Display, touch, haptics, and motion

Manual visual, touch, haptic, tilt, rotation, and level checks remain clearly separated.

Tools screen showing touch, multitouch, haptic, level and motion, and the Used Phone Check.
Used Phone Check

A guided inspection checklist

The checklist combines current manual tools without creating a condition certificate.

Microphone Test recording for five seconds with local-storage and Bluetooth microphone guidance.
Microphone Test

Record, play back, assess

The temporary recording supports a local listening check and is removed when the screen is left.

Speaker Test with low, mid, high, voice-like, and crackle sound samples.
Speaker Test

Five short sound samples

You listen to each sample at a comfortable volume and assess it yourself.

Water Eject screen with Quick Clean, Standard Clean, and Deep Clean cycles plus safety guidance.
Water Eject

Three local sound cycles

Results can vary; the screen tells users to stop if sound is uncomfortable and not to charge a wet connector.

Water Eject Standard Clean in progress with a remaining-time indicator and stop button.
Water Eject

Always under user control

The running sound cycle has a prominent stop control and repeats the safety guidance.

Haptic Test ready screen with comparison and notification sequences and no automatic diagnosis claim.
Haptic Test

Feel and compare short patterns

The user starts a sequence and rates physical feedback rather than receiving an automatic result.

Haptic comparison sequence in progress with a visible stop control.
Haptic Test

A sequence can be stopped

Comparison patterns are short and remain under direct user control.