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General| Category | Cell Phone |
|---|---|
| Screen Size | 6.5 inches |
| Selfie Camera | 13 MP, f/2.2, (wide) |
| Battery | 5000 mAh |
| Model | SM-A256B |
| Network | GSM / HSPA / LTE |
| Colors | Black, Blue |
Essential safety guidelines and warnings for performing device repairs by authorized personnel.
Guidelines for preventing electrostatic discharge damage to sensitive electronic components during repair.
Explanation of warning, caution, and notice icons used throughout the repair guide.
Steps for updating device software wirelessly using the Firmware Over-The-Air service.
Troubleshooting common issues when a device software update fails to complete.
Instructions for updating device software using the Samsung Smart Switch PC application.
Procedure for device recovery using factory data reset after a failed software update.
Steps to recover the device using a different computer if the initial recovery fails.
Detailed steps to restore the device to its factory default settings, erasing all data.
Guide to evaluating device performance using the Samsung Members application post-repair.
Steps to access and initiate the device diagnostic tests within the Samsung Members app.
List of specific components and features that can be tested for functionality.
Table detailing which calibration functions apply to specific replaced parts.
Instructions for downloading and using the Self Repair Assistant app for device calibration.
Procedure for calibrating the optical fingerprint sensor after screen replacement.
Steps to reset the battery cycle count after replacing the device battery.
Procedure for calibrating range sensors, typically after replacing components like back glass.
Procedure for calibrating the touch screen panel to ensure accurate touch input.
Procedure for calibrating the speaker components to ensure optimal audio performance.
Calibration procedure specific to the under-display camera on foldable models.
Calibration procedure for digital hall sensors on foldable and flip devices.
Diagram illustrating the internal components of the device in an exploded view.
List of part numbers and their corresponding names for easy identification.
List of essential tools and safety equipment required for device repair procedures.
Details on adhesives and screws needed for reassembling the device components.
General guidelines and precautions before beginning the device disassembly process.
Step-by-step instructions for safely removing the SIM card tray.
Detailed procedure for safely removing the device's back cover.
Procedure for removing the charging port module from the device.
Steps to carefully remove the front camera module.
Procedure for safely removing the main logic board from the device.
Instructions for removing the speaker components from the device.
Steps for carefully removing the vibrator motor assembly.
Procedure for removing the device's physical buttons.
General guidelines and precautions before reassembling the device after repair.
Instructions for correctly assembling the device buttons.
Procedure for installing the vibrator motor assembly.
Steps for correctly installing the speaker components.
Procedure for installing the main logic board back into the device.
Steps for correctly installing the front camera module.
Procedure for installing the charging port module.
Steps for correctly attaching the device's back cover.
Instructions for reinserting the SIM card tray into the device.
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