Galaxy S25 Calibrations
Galaxy S25 Calibrations
Used parts and calibration functions in supported models
The calibration functions are automatically conducted based on the selected parts.
|
Screen |
Battery |
Back Glass |
Charging Port |
Speaker |
|
|---|---|---|---|---|---|
|
Optical Fingerprint Calibration |
Yes |
No |
No |
No |
No |
|
Range Sensor Calibration |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Battery Cycle Resets |
No |
Yes |
No |
No |
No |
|
Speaker Calibration |
Yes |
No |
No |
No |
No |
|
Touch Screen Panel Calibration |
No |
No |
No |
No |
Yes |
|
Under-display Camera Calibration |
Yes |
No |
No |
No |
No |
|
Digital Hall Sensor Calibration |
Yes |
No |
No |
No |
No |
- Depending on the model, the screen module may include a battery. When the screen module is replaced, the battery also must be selected and a battery cycle reset must be performed.
- In Fold models, touch screen panel calibration is performed for both the main and cover screens.
- Digital Hall sensor calibration is only for Fold and Flip models, and under-display camera calibration is only for Fold models.
Using the Self Repair Assistant App
For US devices, the APK file must be installed manually. If the Auto Blocker function (available from Android OS 14) is turned on, you cannot install APK files manually through the My Files app.

In this case, open Settings, tap Security and privacy > Auto Blocker, and turn off the switch.

Launch the Self Repair Assistant app.
- If you're not signed in to your Samsung account, a sign-in button will appear.

- If you select the link to read the full Privacy Notice, you will be directed to our site.

Check permissions and tap Continue.
Select the part you have replaced and tap Next.
- The required calibrations will be conducted automatically.
- If the device does not have certain components or sensors associated with the replaced part, the corresponding calibration will be skipped automatically.
Read the on-screen instructions and tap Start.
Check the results of each calibration item:
- Completed: Calibration was successful.
- Failed: Calibration failed.
- Skipped: Calibration was skipped.

On the calibration results page, tap Close to exit the app. Restart your device to complete the calibration process.
Optical fingerprint sensor calibration
Whenever the screen is replaced, the optical fingerprint sensor must be calibrated to ensure optimized performance on supported models.
Optical fingerprint sensor calibration is available through the Self Repair Assistant app.
- This feature may not be available on all models. The Self Repair Assistant app will confirm availability.
- You will need three calibration tools: the white calibration box, black calibration box, and the 3D fingerprint dummy rubber.

Tap Display, and then tap Next.
- The required calibration items will be processed automatically.
- If the device does not have certain components or sensors associated with the part that has been replaced, relative calibration will be skipped automatically.
Check the part and calibration, then tap Start.
Read the on-screen instructions and tap Start.
Place the white calibration box over the sensor area and press firmly with your finger. Tap Next while maintaining pressure until you see a success message.
Place the black calibration box over the sensor area and press firmly with your finger. Tap Next while maintaining pressure until you see a success message.
- The black calibration box must be prepared before you start.
- The bottom side of the rubber that is shaped like a square should be located on the square guide line.
Place the 3D fingerprint dummy rubber over the sensor area and press firmly with your finger. Tap Next while maintaining pressure until you see a success message.
- The 3D fingerprint dummy rubber must be prepared before you start.
- The bottom side of the rubber that is shaped like a square should be located on the square guide line. (Do not place the pattern horizontally on the 3D fingerprint dummy rubber.)
Check the calibration result. If Completed does not appear, try again.
Resetting the battery cycle count
The battery cycle count should be reset whenever your device’s battery is replaced.
Select the part that you have replaced. Tap Battery, and then tap Next.
Check part and calibration and tap Start.
Tap Start.
Read the on-screen instructions and tap Scan to scan the QR code, or tap Enter manually to enter the serial number manually.
Scan the QR code or enter the serial number that appears on the battery package. The reset will begin.
Check the calibration results.
Range sensor calibration
When replacing screens, batteries, back glasses, or charging ports, range sensor calibration is required to ensure the range sensors of devices equipped with them are optimized.
Range sensor calibration is available through the Self Repair Assistant app.
Select the part that you have replaced and tap Next.
Check part and calibration and tap Start.
Read the on-screen instructions and tap Start.
Place the phone face-down in a dark area and press the Volume button.
The calibration will perform automatically. A tone will play when calibration is complete.
Check the calibration result.
Touch screen panel calibration
When replacing screens, touch screen panel calibration is required to ensure accurate touch input.
Touch screen panel calibration is available through the Self Repair Assistant app.
Select the part that you have replaced and tap Next.
Check part and calibration and tap Next.
Read the on-screen instructions and tap Start.
The calibration will perform automatically and the screen will turn white during calibration.
Check the calibration result.
Speaker calibration
When replacing speakers, the speaker must be calibrated to guarantee optimized speaker performance for devices that have it.
Speaker calibration is available through the Self Repair Assistant app.
Select the part that you have replaced and tap Next.
Check part and calibration and tap Next.
Tap Start.
The calibration will perform automatically.
Check the calibration result.